Near-Earth Objects

asteroid 2021 gw4

Asteroid 2021 GW4 to fly past Earth at just 0.07 LD

A newly-discovered asteroid designated 2021 GW4 will fly by at a distance of just 0.07 LD / 0.00018 AU (26 927 km / 16 730 miles) from the center of our planet at 13:01 UTC on April 12, 2021. This is the 40th known asteroid to fly by Earth within 1 lunar distance...

April 11, 2021

asteroid 2021 fh f

Three asteroids within 1 lunar distance on March 23 - 2021 FO1, 2021 FH, and 2021 FP2

Three newly-discovered asteroids flew past Earth within 1 lunar distance on March 23, 2021 -- 2021 FO1, 2021 FH, and 2021 FP2. This pushed the number of known <1LD asteroid flybys this year to 33. 2021 FO1 was first observed at Mt. Lemmon Survey, Arizona on March...

March 24, 2021

asteroid 2021 fm2

Asteroid 2021 FM2 flew past Earth at 0.2 LD

A newly-discovered asteroid designated 2021 FM2 flew past Earth at a distance of 0.22 LD / 0.00056 AU (83 770 km / 52 055 miles) at 21:46 UTC on March 20, 2021. Since the start of the year, our observatories have identified a total of 33 asteroid flybys within 1...

March 24, 2021

asteroid 2021 fh

Asteroid 2021 FH to flyby Earth at 0.61 LD

A newly-discovered asteroid designated 2021 FH will flyby Earth at a distance of 0.61 LD / 0.00157 AU (234 870 km / 145 940 miles) from the center of our planet at 16:51 UTC on March 23, 2021. This is the 30th known asteroid to flyby Earth within 1 lunar distance...

March 22, 2021

asteroid 2021 fo1

Asteroid 2021 FO1 to flyby Earth at 0.84 LD

A newly-discovered asteroid designated 2021 FO1 will flyby Earth at a distance of 0.84 LD / 0.00215 AU (320 140 km / 198 925 miles) from the center of our planet at 03:05 UTC on March 23, 2021. This is the 29th known asteroid to flyby Earth within 1 lunar distance...

March 22, 2021

asteroid 2021 en4

Asteroid 2021 EN4 flew past Earth at 0.18 LD

A newly-discovered asteroid designated 2021 EN4 flew past Earth at a distance of 0.18 LD / 0.00047 AU (70 310 km / 43 640 miles) at 03:49 UTC on March 15, 2021. This is the 26th known asteroid to flyby Earth within 1 lunar distance since the start of the year and...

March 16, 2021

asteroid 2021 eq3

Asteroid 2021 EQ3 to flyby Earth at 0.72 LD on March 16

A newly-discovered asteroid designated 2021 EQ3 will flyby Earth at a distance of 0.72 LD / 0.00186 AU (278 252 km / 172 897 miles) at 04:48 UTC on March 16, 2021. This is the 25th known asteroid to fly past Earth within 1 lunar distance since the start of the year...

March 12, 2021

asteroid 2021 ef1

Asteroid 2021 EF1 to flyby Earth at 0.73 LD on March 8

A newly-discovered asteroid designated 2021 EF1 will fly by Earth at a distance of 0.73 LD / 0.00187 AU (279 750 km / 173 830 miles) at 04:46 UTC on March 8, 2021. This is the 23rd known asteroid to flyby Earth within 1 lunar distance since the start of the year....

March 07, 2021

asteroid 2021 ea

Asteroid 2021 EA flew past Earth at 0.24 LD

A newly-discovered asteroid designated 2021 EA flew past Earth at a distance of 0.24 LD / 0.00063 AU (94 246 km / 58 562 miles) from the center of our planet at 15:11 UTC on March 2, 2021. This is the 22nd known asteroid to flyby Earth within 1 lunar distance since...

March 03, 2021

asteroid 2021 dg

Asteroid 2021 DG to flyby Earth at 0.43 LD

A newly-discovered asteroid designated 2021 DG will flyby Earth at a distance of 0.43 LD / 0.00111 AU (166 050 km / 103 180 miles) from the center of our planet at 14:21 UTC on February 18, 2021. This is the 20th known asteroid to flyby Earth within 1 lunar...

February 18, 2021

asteroid 2021 cw7

Asteroid 2021 CW7 to flyby Earth at 0.07 LD

A newly-discovered asteroid designated 2021 CW7 will fly by Earth at a distance of 0.07 LD / 0.00019 AU (28 420 km / 17 660 miles) at 16:14 UTC on February 14, 2021. This object was first observed at GINOP-KHK, Piszkesteto, Hungary on February 13, one day before...

February 14, 2021

asteroid 2021 ca6

Asteroid 2021 CA6 to flyby Earth at 0.43 LD on February 13

A newly-discovered asteroid designated 2021 CA6 will fly by Earth at a distance of 0.43 LD / 0.00111 AU (166 050 km / 103 180 miles) at 15:58 UTC on February 13, 2021. This is the 16th known asteroid to flyby Earth within 1 lunar distance since the start of the year...

February 12, 2021

asteroid 2021 cz3

Asteroid 2021 CZ3 flew past Earth at 0.06 LD

A newly-discovered asteroid designated 2021 CZ3 flew past Earth at a distance of 0.06 LD / 0.00015 AU (22 440 km / 13 950 miles) from the center of our planet at 01:50 UTC on February 9, 2021. In 2021, we had a total of 14 asteroid flybys within 1 lunar distance, of...

February 12, 2021

asteroid 2021 cq5

Asteroid 2021 CQ5 to flyby Earth at 0.46 LD

A newly-discovered asteroid designated 2021 CQ5 will flyby Earth at a distance of 0.46 LD / 0.00119 AU (178 021 km / 110 617 miles) at 22:35 UTC on February 11, 2021. This is the 14th known asteroid to flyby Earth within 1 lunar distance since the start of the year,...

February 11, 2021

asteroid 2021 co

Newly-discovered asteroid 2021 CO to flyby Earth at 0.94 LD on February 11

A newly-discovered asteroid designated 2021 CO will flyby Earth at a distance of 0.94 LD / 0.00242 AU (362 026 km / 224 953 miles) on February 11, 2021. This is the 12th known asteroid to flyby Earth since the start of the year and the 3rd so far this month. 2021 CO...

February 08, 2021

asteroid 2021 ah8

Asteroid 2021 AH8 flew past Earth at 0.14 LD

A newly-discovered asteroid designated 2021 AH8 flew past Earth at a distance of 0.14 LD / 0.00035 AU (52 360 km / 32 534 miles) from the center of our planet at 19:22 UTC on January 4, 2021. This is the 9th known asteroid to fly past Earth since the start of the...

January 26, 2021

asteroid 2021 br2

Asteroid 2021 BR2 flew past Earth at 0.19 LD

A newly-discovered asteroid designated 2021 BR2 flew past Earth at 0.19 LD / 0.00049 AU (73 300 km / 45 550 miles) from the center of our planet at 02:25 UTC on January 16, 2021. This is the 8th known asteroid to flyby Earth within 1 lunar distance since the start...

January 21, 2021