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Asteroid (2006 HJ18)

Close Approach Date 2021-09-21

Relative velocity (kph) 66,464.085775793 (mph) 41,298.198186631
Miss Distance (kilometers) 51,981,603 (miles) 32,299,870
Miss Distance AU 0.3474755581
Miss Distance LD 135.1679921009
Absolute Magnutude (H) 21.8
Estimated Diameter (meters) 116 - 259 (feet) 380 - 851
NASA site

Asteroid (2006 SD6)

Close Approach Date 2021-09-21

Relative velocity (kph) 72,989.3330833255 (mph) 45,352.7331039141
Miss Distance (kilometers) 50,163,172 (miles) 31,169,949
Miss Distance AU 0.3353200973
Miss Distance LD 130.4395178497
Absolute Magnutude (H) 20.24
Estimated Diameter (meters) 237 - 532 (feet) 780 - 1745
NASA site

Asteroid (2007 AM)

Close Approach Date 2021-09-21

Relative velocity (kph) 43,338.8638108026 (mph) 26,929.0845717734
Miss Distance (kilometers) 68,186,487 (miles) 42,369,118
Miss Distance AU 0.4557985198
Miss Distance LD 177.3056242022
Absolute Magnutude (H) 21.7
Estimated Diameter (meters) 121 - 271 (feet) 398 - 891
NASA site

Asteroid (2017 SS10)

Close Approach Date 2021-09-21

Relative velocity (kph) 72,498.5077328561 (mph) 45,047.7533187849
Miss Distance (kilometers) 49,335,676 (miles) 30,655,767
Miss Distance AU 0.3297886286
Miss Distance LD 128.2877765254
Absolute Magnutude (H) 25.2
Estimated Diameter (meters) 24 - 54 (feet) 79 - 177
NASA site

Asteroid (2019 DH1)

Close Approach Date 2021-09-21

Relative velocity (kph) 40,346.7625841875 (mph) 25,069.909229047
Miss Distance (kilometers) 28,557,728 (miles) 17,744,949
Miss Distance AU 0.1908966267
Miss Distance LD 74.2587877863
Absolute Magnutude (H) 26.2
Estimated Diameter (meters) 15 - 34 (feet) 50 - 112
NASA site

Asteroid (2019 RH1)

Close Approach Date 2021-09-21

Relative velocity (kph) 31,518.9637747721 (mph) 19,584.6583521632
Miss Distance (kilometers) 30,100,775 (miles) 18,703,754
Miss Distance AU 0.2012112584
Miss Distance LD 78.2711795176
Absolute Magnutude (H) 24.91
Estimated Diameter (meters) 27 - 61 (feet) 90 - 203
NASA site

Asteroid (2020 WY)

Close Approach Date 2021-09-21

Relative velocity (kph) 16,311.3998995837 (mph) 10,135.269565383
Miss Distance (kilometers) 17,011,031 (miles) 10,570,164
Miss Distance AU 0.1137117217
Miss Distance LD 44.2338597413
Absolute Magnutude (H) 26.2
Estimated Diameter (meters) 15 - 34 (feet) 50 - 112
NASA site

Asteroid (2021 RH4)

Close Approach Date 2021-09-21

Relative velocity (kph) 23,678.045471181 (mph) 14,712.6166429124
Miss Distance (kilometers) 8,383,982 (miles) 5,209,564
Miss Distance AU 0.0560434587
Miss Distance LD 21.8009054343
Absolute Magnutude (H) 25.16
Estimated Diameter (meters) 24 - 55 (feet) 81 - 181
NASA site

Asteroid (2021 RV6)

Close Approach Date 2021-09-21

Relative velocity (kph) 31,937.8556748894 (mph) 19,844.9414886556
Miss Distance (kilometers) 33,294,329 (miles) 20,688,137
Miss Distance AU 0.222558849
Miss Distance LD 86.575392261
Absolute Magnutude (H) 22.762
Estimated Diameter (meters) 74 - 166 (feet) 244 - 546
NASA site

Asteroid (2021 RP9)

Close Approach Date 2021-09-21

Relative velocity (kph) 64,819.8650552443 (mph) 40,276.5433727989
Miss Distance (kilometers) 6,037,406 (miles) 3,751,470
Miss Distance AU 0.0403575711
Miss Distance LD 15.6990951579
Absolute Magnutude (H) 24.418
Estimated Diameter (meters) 34 - 77 (feet) 114 - 254
NASA site

Asteroid (2021 RX9)

Close Approach Date 2021-09-21

Relative velocity (kph) 52,562.1697691108 (mph) 32,660.0882101456
Miss Distance (kilometers) 3,163,481 (miles) 1,965,695
Miss Distance AU 0.0211465646
Miss Distance LD 8.2260136294
Absolute Magnutude (H) 25.932
Estimated Diameter (meters) 17 - 38 (feet) 56 - 126
NASA site

Asteroid (2021 RN16)

Close Approach Date 2021-09-21

Relative velocity (kph) 35,058.4954380173 (mph) 21,783.9856792502
Miss Distance (kilometers) 480,363 (miles) 298,483
Miss Distance AU 0.003211031
Miss Distance LD 1.249091059
Absolute Magnutude (H) 28.414
Estimated Diameter (meters) 5 - 12 (feet) 18 - 40
NASA site

Asteroid (2021 RV19)

Close Approach Date 2021-09-21

Relative velocity (kph) 34,235.5620872841 (mph) 21,272.6468980683
Miss Distance (kilometers) 2,932,358 (miles) 1,822,082
Miss Distance AU 0.0196016034
Miss Distance LD 7.6250237226
Absolute Magnutude (H) 26.298
Estimated Diameter (meters) 14 - 32 (feet) 47 - 107
NASA site