Near-Earth Objects

asteroid 2020 uf3 f

Asteroid 2020 UF3 flew past Earth at 0.11 LD, 14th of the month within 1LD

A newly-discovered asteroid designated 2020 UF3 flew past Earth at a very close distance of 0.11 LD / 0.00029 AU (43 383 km / 26 957 miles) at 22:17 UTC on October 22, 2020. This is the 14th known asteroid to flyby Earth within 1 lunar distance this month and the...

October 23, 2020

asteroid 2020 ua

10 newly-discovered asteroids within 1 lunar distance in 10 days

10 newly-discovered asteroids with a close approach within 1 lunar distance (<1LD asteroid) were discovered from October 12 to 18, 2020, marking a significant increase in detection and flybys of asteroids within 1 lunar distance in such a short period of time. 9...

October 18, 2020

asteroid 2020 te5

Asteroid 2020 TE5 flew past Earth at 0.15 LD

A newly-discovered asteroid designated 2020 TE5 flew past Earth at a distance of 0.15 LD / 0.00038 AU (56 847 km / 35 323 miles) at 18:18 UTC on October 9, 2020. This is the 75th known <1LD asteroid of the year. Asteroid 2020 TE5 was first observed at ATLAS-HKO,...

October 15, 2020

asteroid 2020 ta

Asteroid 2020 TA flew past Earth at 0.5 LD

A newly-discovered asteroid designated 2020 TA flew past Earth at a distance of 0.57 LD / 0.00147 AU (219 908 km / 136 645 miles) at 11:06 UTC on October 1, 2020. This is the 72nd known asteroid to flyby Earth within 1 lunar distance since the start of the year....

October 06, 2020

asteroid 2020 sw

Asteroid 2020 SW to flyby Earth at just 0.07 LD

A newly-discovered asteroid designated 2020 SW is expected to flyby Earth at just 0.07 LD / 0.00019 AU (28 423 km / 17 661 miles) at 11:18 UTC (± 06:18) on September 24, 2020. This is the 66th known asteroid to flyby Earth within 1 lunar distance since the...

September 19, 2020

asteroid 2020 rf3

Asteroid 2020 RF3 to flyby Earth at 0.24 LD

A newly-discovered asteroid designated 2020 RF3 will flyby Earth at 0.24 LD / 0.00063 AU (94 246 km / 58 526 miles) at 06:49 UTC on September 14, 2020. This is the 61st known asteroid to flyby Earth within 1 lunar distance since the start of the year and the second...

September 14, 2020

asteroid 2011 es4 f

Asteroid 2011 ES4 to flyby Earth at 0.32 LD

An asteroid designated 2011 ES4 will make a close approach to Earth at just 0.32 LD / 0.00048 AU (71 806 km / 44 618 miles) at 16:12 UTC on September 1, 2020. This is the 60th known asteroid to flyby Earth within 1 lunar distance since the start of the year. This...

August 31, 2020

asteroid 2020 qy2

Asteroid 2020 QY2 flew past Earth at 0.17 LD

A newly-discovered asteroid designated 2020 QY2 flew past Earth at a distance of 0.18 LD / 0.00044 AU (65 823 km / 40 900 miles) at 23:50 UTC on August 20, 2020. The flyby took place just 21 minutes after 2020 PY2 and 4 days after the closest NEO flyby on record -...

August 21, 2020

asteroid 2020 qg

Asteroid 2020 QG flew past Earth at just 0.02 LD on August 16 -- the closest NEO flyby on record

A newly-discovered asteroid designated 2020 QG flew past Earth at just 0.02 LD / 0.0000623 AU (9 319 km / 5 791 miles) on August 16, 2020. This is now the closest near-Earth object to flyby Earth so far this year and the closest on record. Valid 15:38 UTC on...

August 18, 2020

asteroid 2020 py2 f

Asteroid 2020 PY2 to flyby Earth at 0.9 LD on August 20

A newly-discovered asteroid designated 2020 PY2 is expected to fly past Earth at a distance of 0.90 LD / 0.00232 AU (347 067 km / 215 657 miles) on August 20, 2020. This is the 51st known asteroid to flyby Earth within 1 lunar distance since the start of the year....

August 17, 2020

asteroid 2020 pa

Asteroid 2020 PA flew past Earth at 0.15 LD

A newly-discovered asteroid designated 2020 PA flew past Earth at a distance of 0.15 LD / 0.00039 AU (58 343 km / 36 252 miles) on August 1, 2020. This is the 49th known asteroid to flyby Earth within 1 lunar distance since the start of the year. 2020 PA was first...

August 03, 2020

asteroid 2020 oy4

Asteroid 2020 OY4 to flyby Earth at 0.11 LD on July 28 - third closest of the year

A newly-discovered asteroid designated 2020 OY4 will flyby Earth at 0.11 LD / 0.00028 AU (41 887 km / 26 027 miles) at 00:13 UTC on July 28, 2020. This is the 48th known asteroid to flyby Earth within 1 lunar distance since the start of the year. It is also the...

July 27, 2020

asteroid 2020 ld

Asteroid 2020 LD flew past us at 0.8 LD - the largest within 1 lunar distance since 2011

A newly-discovered asteroid designated 2020 LD flew past Earth at a distance of 0.80 LD / 0.00205 AU (306 675 km / 190 559 miles) at 08:25 UTC on June 5, 2020. This is the 45th known and the largest asteroid to flyby Earth within 1 lunar distance since the start of...

June 09, 2020

asteroid 2020 kc5

Asteroid 2020 KC5 to flyby Earth at 0.96 LD

A newly-discovered asteroid designated 2020 KC5 will flyby Earth at a distance of 0.96 LD / 0.00248 AU (371 002 km / 230 530 miles) at 20:46 UTC on May 29, 2020. This is the 44th known asteroid to flyby Earth within 1 lunar distance since the start of the year and...

May 29, 2020

asteroid 2020 kf5

Asteroid 2020 KF5 to flyby Earth at 0.64 LD on May 28

A newly-discovered asteroid designated 2020 KF5 will flyby Earth at a distance of 0.64 LD / 0.00165 AU (246 836 km / 153 377 miles) at 12:49 UTC on May 28, 2020. Another newly-discovered asteroid -- 2020 KJ4 -- will flyby us just 32 minutes later. However, as far...

May 27, 2020

asteroid 2020 kj4

Asteroid 2020 KJ4 to flyby Earth at 0.37 LD on May 28

A newly-discovered asteroid designated 2020 KJ4 will flyby Earth at a distance of 0.37 LD / 0.00096 AU (143 613 km / 89 237 miles) at 13:20 UTC on May 26, 2020. This is the 42nd known asteroid to flyby Earth within 1 lunar distance since the start of the year and...

May 26, 2020

asteroid 2020 jj

Asteroid 2020 JJ flew past Earth at just 0.03 LD on May 4 -- the 2nd closest of the year and 6th closest on record

A newly-discovered asteroid designated 2020 JJ flew past Earth at a very close distance of 0.03 LD / 0.0000896 AU (13 403 km / 8 328 miles) at 12:05 UTC on May 4, 2020. This is the 40th known asteroid to flyby Earth within 1 lunar distance since the start of the...

May 04, 2020