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Updated:  23/04/2024 13:30 
 


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Near Earth Objects


Up and Coming Close Approaches (NEOs)

descddistv_relh *
2021 GF102024-Apr-23 10:420.06093011.93532028.17
2014 BA32024-Apr-23 10:450.1151802.48361228.32
2024 HS2024-Apr-23 12:090.0498295.70713425.684
2024 GK22024-Apr-23 17:340.0606508.47067725.89
2023 HO42024-Apr-24 02:360.1919784.45494223.17
2022 UL92024-Apr-24 07:120.19940212.45451021.98
1994 GL2024-Apr-24 09:220.11492813.79980125.5
2016 DP22024-Apr-25 06:060.1106496.26856025.9
2022 HL12024-Apr-25 07:080.12456314.07270325.38
2014 UQ562024-Apr-25 08:430.19607023.39980119.20
2021 VH22024-Apr-25 09:030.0238292.69162228.82
2017 BX2024-Apr-25 10:500.14528710.54334328.0
2024 GZ32024-Apr-25 11:170.11346915.39237323.20
2011 GF32024-Apr-26 00:070.16359816.14555322.42
2014 MC62024-Apr-26 00:120.18463319.41086919.41
2022 HE2024-Apr-26 00:500.06721221.15839822.22
2024 GU22024-Apr-26 01:140.0700175.94615725.27
2024 FK22024-Apr-26 01:340.11215812.47653921.82
2024 FG52024-Apr-26 02:440.0321179.06346525.05
2024 GP62024-Apr-26 03:590.17647211.27376122.515
Data Courtesy of CNEOS


Past 10 Days (NEOs)

descddistv_relh *
2024 HY2024-Apr-22 17:500.0147089.22442423.346
2024 GM2024-Apr-21 16:090.04789010.77504423.00
2024 HD2024-Apr-21 10:440.0151045.64231527.023
2024 HR2024-Apr-20 20:050.04891717.69665924.543
2024 GF62024-Apr-20 09:190.0058958.19330426.84
2024 GD52024-Apr-20 03:290.0354344.53421726.97
2024 HL2024-Apr-19 23:530.01240019.66302526.542
2024 FT42024-Apr-19 20:120.0493805.22342026.13
2017 SA202024-Apr-19 09:480.0097876.19269128.36
2024 HQ2024-Apr-19 08:540.0021327.50804929.363
2021 JW22024-Apr-19 08:530.0041655.09219527.63
2024 GP72024-Apr-19 08:140.0190003.61366727.626
2024 FU42024-Apr-19 03:400.0491757.52755025.47
2024 GL52024-Apr-18 21:210.04287511.72037825.70
2023 HU32024-Apr-18 21:020.04080019.10798925.06
2024 GA62024-Apr-18 16:370.0068867.06766627.37
2024 GJ62024-Apr-18 08:360.0065178.11775728.04
2024 FF42024-Apr-18 05:420.04121013.03278824.20
2024 GF52024-Apr-17 14:480.0247657.38779227.29
2024 HZ2024-Apr-17 14:110.0031217.17057128.594
2024 HO2024-Apr-17 13:100.00115810.17439128.803
2024 GM12024-Apr-17 01:520.00886610.38600225.62
2024 GS52024-Apr-16 21:410.00464418.31556726.01
2024 GF32024-Apr-16 18:380.03553512.89638425.72
2024 HA2024-Apr-16 17:420.00010319.46177531.758
2024 GN22024-Apr-16 14:190.00312218.51009426.39
2024 GK62024-Apr-16 13:140.0204558.25197026.85
2024 FJ42024-Apr-15 17:300.0364589.51099125.34
2024 GZ52024-Apr-15 16:470.0004585.03753330.30
4394372024-Apr-15 14:510.02176916.48970818.84
5176812024-Apr-15 14:080.04698814.18096418.86
2024 GO12024-Apr-15 05:570.0216659.06768827.26
2024 GL22024-Apr-15 05:010.0279858.63276127.27
2024 HE2024-Apr-15 03:150.00558215.35753627.192
2024 GW2024-Apr-15 00:110.0285558.68022225.68
2024 GB62024-Apr-14 20:290.0120075.15724027.28
2024 HG2024-Apr-14 19:480.00270017.32293527.252
2024 HB2024-Apr-14 17:460.00348112.11574827.948
2022 UO12024-Apr-14 17:020.04280614.04100425.19
2024 HX2024-Apr-14 16:300.0014229.64160927.376
2023 FN132024-Apr-14 10:570.0085074.90390027.21
2024 GA12024-Apr-14 01:590.02435018.11777424.11
2024 GG62024-Apr-13 22:360.02253210.51425325.26
2024 GE32024-Apr-13 20:540.0254757.34601326.08
2024 FP32024-Apr-13 17:180.0068206.34015926.09
2024 GV32024-Apr-13 11:380.00341110.93172728.62
2024 GT22024-Apr-13 06:130.0058606.77879327.43
2021 GQ52024-Apr-13 04:000.0225517.46002528.51
Data Courtesy of CNEOS


Top 10 Closest (NEOs)

descddistv_relh *
2020 VT42020-Nov-13 17:214.50910597356063e-0513.42711954917128.61
2020 QG2020-Aug-16 04:096.22797984976286e-0512.33086730638729.90
2021 UA12021-Oct-25 03:076.30135027524984e-0515.83500686033531.84
2023 BU2023-Jan-27 00:296.66251054490333e-059.26724479275329.70
2023 RS2023-Sep-07 14:266.92592750346214e-0513.58812822256632.32
2011 CQ12011-Feb-04 19:397.92234674587619e-059.69344051108732.1
2019 UN132019-Oct-31 14:458.43156436848206e-0512.84509338782332.0
2008 TS262008-Oct-09 03:308.44809011695201e-0515.76417141381933.2
2004 FU1622004-Mar-31 15:358.63189689546789e-0513.39064496241929.48
2020 CD32019-Apr-04 09:338.75970336943964e-057.77372560472531.74
 Data Courtesy of CNEOSSince 1st Jan 2000 

Key
des - primary designation of the asteroid or comet
cd - time of close-approeach (formatted calendar date/time)
dist - nominal approach distance (au)
v_rel - velocity relative to the approach body at close approach (km/s)
h - absolute magnitude H (mag)
* - An asteroid's absolute magnitude is the visual magnitude an observer would record if the asteroid were placed 1 Astronomical
     Unit (AU) away, and 1 AU from the Sun and at a zero phase angle.
1 AU = Astronomical Unit is approximately the mean distance between the Earth and the Sun, ~150 million kilometers
1 LD = Lunar Distance = ~384,000 kilometers

Near-Earth Objects – The Watchers
Near-Earth Objects – The Watchers

Watching the world evolve and transform

April 17th, 2024 08:35:39 EDT -0400 Asteroid 2024 HA flew past Earth at just 0.04 LD – the closest flyby of the year and 20th closest on record
A newly-discovered asteroid designated 2024 HA flew past Earth at a distance of just 0.4 LD / 0.00010 AU (15 550 km / 9 662 miles) at 17:42 UTC on April 16, 2024.

Source
April 12th, 2024 10:35:47 EDT -0400 Asteroid 2024 GX3 flew past Earth at 0.18 LD
A newly-discovered asteroid 2024 GX3 flew past Earth at a distance of 0.18 LD / 0.00048 AU (71 560 km / 44 465 miles) from the center of our planet at 08:27 UTC on April 10, 2024. This is the 27th known asteroid to fly past Earth within 1 lunar distance since the start of the year.

Source
April 12th, 2024 09:58:38 EDT -0400 Asteroid 2024 GV2 flew past Earth at 0.28 LD
A newly-discovered asteroid designated 2024 GV2 flew past Earth at a distance of 0.28 LD / 0.00072 AU (107 573 km / 66 843 miles) at 04:17 UTC on April 10, 2024. This is the 26th known asteroid to fly past Earth within 1 lunar distance since the start of the year.

Source
April 10th, 2024 11:10:53 EDT -0400 Asteroid 2024 GJ2 to fly by Earth at just 0.05 LD on April 11
A newly-discovered asteroid designated 2024 GJ2 will fly past Earth at a distance of just 0.05 LD / 0.00013 AU (18 700 km / 11 620 miles) at 18:33 UTC on April 11, 2024. This is the 25th known asteroid to fly past Earth within 1 lunar distance since the start of the year.

Source
March 15th, 2024 03:41:00 EDT -0400 Asteroid 2024 EJ4 flew past Earth at just 0.07 LD
A newly-discovered asteroid designated 2024 EJ4 flew past Earth at a distance of just 0.07 LD / 0.00018 AU (26 246 km / 16 308 miles) from the center of our planet at 17:22 UTC on March 13, 2024.

Source
Data Courtesy of watchers news
CNEOS Recent News
CNEOS Recent News

Recent news stories from the Center for Near-Earth Object Studies (CNEOS)

March 19th, 2024 03:00:00 EDT -0400 NASA Study: Asteroid’s Orbit, Shape Changed After DART Impact

After NASA’s historic Double Asteroid Redirection Test, a JPL-led study has shown that the shape of asteroid Dimorphos has changed and its orbit has shrunk.
January 24th, 2024 03:00:00 EST -0500 NASA System Predicts Impact of a Very Small Asteroid Over Germany

The Scout impact assessment system calculated where and when the asteroid 2024 BX1 would impact Earth’s atmosphere, providing a useful demonstration of planetary defense capability.
February 14th, 2023 03:00:00 EST -0500 CNEOS Predicts Another Small Asteroid Impact, This One over Northwestern France

Another tiny asteroid on a collision course with Earth was detected over the weekend, and JPL’s CNEOS Scout system accurately predicted where and when the impact would happen, well before it actually occurred.
January 25th, 2023 03:00:00 EST -0500 NASA System Predicts Small Asteroid to Pass Close by Earth This Week

On Thursday, Jan. 26, a small near-Earth asteroid will have a very close encounter with our planet. Designated 2023 BU, the asteroid will zoom over the southern tip of South America at about 4:27 p.m. PST (7:27 p.m. EST) only 2,200 miles (3,600 kilometers) above the planet’s surface and well within the orbit of geosynchronous satellites.
November 22nd, 2022 03:00:00 EST -0500 NASA Program Predicted Impact of Small Asteroid Over Ontario, Canada

In the early hours of Saturday, Nov. 19, the skies over southern Ontario, Canada, lit up as a tiny asteroid harmlessly streaked across the sky high in Earth’s atmosphere, broke up, and likely scattered small meteorites over the southern coastline of Lake Ontario. The fireball wasn’t a surprise. Roughly 1 meter (3 feet) wide, the asteroid was detected 3 ½ hours before impact, making this event the sixth time in history a small asteroid has been tracked in space before impacting Earth’s atmosphere.
Data Courtesy of Cneos news

Near Earth Objects

Near-Earth Objects (NEOs) are comets and asteroids that have been nudged by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth's neighborhood. Composed mostly of water ice with embedded dust particles, comets originally formed in the cold outer planetary system while most of the rocky asteroids formed in the warmer inner solar system between the orbits of Mars and Jupiter.

The scientific interest in comets and asteroids is due largely to their status as the relatively unchanged remnant debris from the solar system formation process some 4.6 billion years ago. The giant outer planets (Jupiter, Saturn, Uranus, and Neptune) formed from an agglomeration of billions of comets and the left over bits and pieces from this formation process are the comets we see today. Likewise, today's asteroids are the bits and pieces left over from the initial agglomeration of the inner planets that include Mercury, Venus, Earth, and Mars

The vast majority of NEOs are asteroids, referred to as Near-Earth Asteroids (NEAs). NEAs are divided into groups (Aten, Apollo, Amor) according to their perihelion distance (q), aphelion distance (Q) and their semi-major axes (a). See table
Group Description Definition
NECs Near-Earth Comets q<1.3 AU, P<200 years
NEAs Near-Earth Asteroids q<1.3 AU
Atiras NEAs whose orbits are contained entirely with the orbit of the Earth
(named after asteroid 163693 Atira).		 a<1.0 AU, Q<0.983 AU
Atens Earth-crossing NEAs with semi-major axes smaller than Earth's
(named after asteroid 2062 Aten).		 a<1.0 AU, Q>0.983 AU
Apollos Earth-crossing NEAs with semi-major axes larger than Earth's
(named after asteroid 1862 Apollo).		 a>1.0 AU, q<1.017 AU
Amors Earth-approaching NEAs with orbits exterior to Earth's but interior to Mars'
(named after asteroid 1221 Amor).		 a>1.0 AU, 1.017<q<1.3 AU
PHAs Potentially Hazardous Asteriods: NEAs whose Minimum Orbit Intersection
Distance (MOID) with the Earth is 0.05 AU or less and whose absolute
magnitude (H) is 22.0 or brighter.		 MOID<=0.05 AU, H<=22.0

NEO - RECENT CLOSE APPROACHES TO EARTH

Near Earth Objects - Our solar system is teeming with asteroids and comets, some of which periodically pass close to Earth. These space rocks, called near-Earth objects, provide good opportunities for study and can also be potentially dangerous to Earth. Ask the dinosaurs !!!

April 28th 2020
ASTEROID NEAR MISS: A newly-discovered asteroid designated 2020 HS7 will flyby Earth at a very close distance of 0.11 LD / 0.00029 AU (43 383 km / 26 957 miles) at 18:51 UTC on April 28, 2020.

September 1st 2018
ASTEROID NEAR MISS: Asteroid named 'Florence' and is about 2.7 miles in length NASA has warned that the largest Earth-bound asteroid ever seen by NASA Florence will fly by at a relatively safe distance of 4.4 million miles away, around 18 times the distance between the Earth and the moon, but still close enough to be classed as a near-Earth object. It will be visible in small telescopes for several nights as it moves through the constellations Piscis Austrinus, Capricornus, Aquarius and Delphinus.

October 12th 2017
ASTEROID NEAR MISS: 2012 TC4 The large space rock, named 2012 TC4, was first spotted five years ago by the Pan-STARRS telescope at the Haleakala Observatory, in Hawaii, before disappearing as it orbits the sun. It then reemerged in July on a trajectory well inside our lunar orbit. Scientists said the asteroid swung by Earth about 6:42am BST, 42,000 kilometers) above Antarctica at 0542 GMT Thursday. That's about 11 percent the distance between Earth and the moon, and just beyond the orbit of geostationary satellites..

September 1st 2017
ASTEROID NEAR MISS: At 1206 GMT, the roughly 2.7-mile-wide (4.4 kilometers) asteroid 3122 Florence came within a mere 4.4 million miles (7 million km) of Earth — just 18 times the distance from our planet to the moon.

April 19th 2017
ASTEROID NEAR MISS: According to NASA, the asteroid 2014 JO25 will come within 4.6 lunar distances, This will be the closest of an asteroid of this size since a September 2004, with an estimated diameter of 0.65 km, larger than the Rock of Gibraltar.

February 2nd 2017
ASTEROID NEAR MISS: A newly discovered asteroid 2017 BS32 will flyby Earth on February 2, 2017 at a distance of 0.41 LD from the surface. This near-Earth object belongs to Aten group of asteroids. 2017 BS32 was discovered on January 30 by Pan-STARRS 1, Haleakala. Its estimated size is between 11 and 25 m (36 to 82 feet). It will flyby Earth at 20:27 UTC on February 2 at a distance of 0.41 LD (161 280 km / 100 214 miles) from the surface at a speed (relative to Earth) of 11.56 km/s.

This is the fourth know near-Earth asteroid to pass very close to Earth (below 1 LD) since January 8, 2017

January 26th 2015
ASTEROID NEAR MISS: The asteroid 2004 BL86 will fly by Earth on Jan. 26, passing at a range of about 745,000 miles (1.2 million kilometers), about three times the distance between the Earth and the moon. It will be the asteroid's closest approach to Earth for the next 200 years, according to NASA scientists. Asteroid 2004 BL86 is nearly 1,800 feet (549 meters) in diameter, but there is no risk of it hitting the Earth when it zips by. The next asteroid of similar size to come near Earth will be the asteroid 1999 AN10, which will make its closest approach in 2027, according to the NASA statement

February 18th 2014
ASTEROID NEAR MISS: Asteroid 2000 EM26. A "potentially hazardous" asteroid the size of three football fields will come uncomfortably close to Earth early on Tuesday. The space rock, known as 2000 EM26, poses no threat and will pass the Earth at just under nine times the distance to the moon. But it is defined as a potentially hazardous near-Earth object (NEO) large enough to cause significant damage in the event of an impact. Scientists estimate the asteroid, travelling at 27,000mph, is 270 metres (885ft) wide. At its closest approach at 2am UK time, the rock will be 2.1m miles from Earth, or 8.8 lunar distances.

February 15th 2013
ASTEROID NEAR MISS: Asteroid 2012 DA14 will be closest to Earth on February 15, 2013 at about 19:24 GMT (2:24 p.m. EST or 11:24 a.m. PST), when it will be at a distance of about 27,700 kilometers (17,200 miles) above the Earth's surface. This is so close that the asteroid will actually pass inside the ring of geosynchronous satellites, which is located about 35,800 kilometers (22,200 miles) above the equator, but still well above the vast majority of satellites, including the International Space Station. At its closest, the asteroid will be only about 1/13th of the distance to the Moon. The asteroid will fly by our planet quite rapidly, at a speed of about 7.8 kilometers/second (17,400 miles/hour) in a south-to-north direction with respect to the Earth

15/2/2013 03:20 GMT In a seperate incident a meteor crashing in Russia's Ural mountains has injured at least 950 people, as the shockwave blew out windows and rocked buildings. Many videos have appeared on the internet
January 27th 2012
ASTEROID NEAR MISS: 2012 BX34 is a small Aten asteroid that made a close flyby of the Earth on 27 January 2012. The asteroid passed within 0.0004371 AU (65,390 km; 40,630 mi) of Earth during its closest approach at 15:25 GMT, conducting one of the closest asteroid passes on record. 2012 BX34 measures around 8 meters (26 ft) across; if it had impacted in 2012, it would have been too small to pass through Earth's atmosphere intact.
November 8th 2011
ASTEROID NEAR MISS: Near-Earth asteroid 2005 YU55 passed within 0.85 lunar distances from the Earth. This was the closest an asteroid has been to Earth in 200 years, according to Nasa. It is also the largest space rock fly-by Earth has seen since 1976; the next visit by a large asteroid will be 2028. The aircraft-carrier-sized asteroid was darkly coloured in visible wavelengths and nearly spherical, lazily spinning about once every 20 hours as it raced through our neighbourhood of the Solar System.
January 13 2010
ASTEROID NEAR MISS: at 12:46 pm Greenwich time Asteroid 2010 AL30, will make a close approach to the Earth's surface to within 76,000 miles, about 10-15 meters across.
Novemeber 6th 2009
ASTEROID NEAR MISS: at 2132 UT, asteroid 2009 VA barely missed Earth when it flew just 14,000 km above the planet's surface. That's well inside the "Clarke Belt" of geosynchronous satellites. If it had hit, the 6 metre wide space rock would have disintegrated in the atmosphere as a spectacular fireball, causing no significant damage to the ground. 2009 VA was discovered just 15 hours before closest approach by astronomers working at the Catalina Sky Survey.

NEO Links

For a complete list of recent NEO's CNEOS
Potential future Earth impact events that the CNEOS Sentry System has detected based on currently available observations

Page redesigned 12-Mar-2017 - following JPL closing, data now from cneos