(2021 GR12)OBJECT DETAIL
IDENTITY
ID
54137508
MAG (H)
18.01
DIAMETER
0.665 – 1.486 km
HAZARD
no
ORBITAL ELEMENTS
ORBIT
18
OBSERVED
2012-05-18 → 2024-04-09
OBSERVATIONS
261
PERIOD
1101.22 days
ECCENTRICITY
0.739
INCLINATION
13.73°
ORBIT DIAGRAM
Sun-centered map with AU grid. The asteroid orbit is drawn with its real eccentricity. Click any close-approach date below to highlight the encounter point on the map.
Orbital period: 1101 days. Animation: 1 full revolution = 20 s real time.
Sun (focus)Earth orbit (1 AU)Earth (animated, 365.25 d period)NEO orbitNEO position (animated, 1 cycle = 20 s)Perihelion (q): closest to SunAphelion (Q): farthest from SunTime tick: quarter-period intervalAU grid ring
CLOSE APPROACHES
64 recorded close approaches. Click any date to highlight that encounter on the orbit diagram above.
| Date | Velocity (km/s) | Miss (km) | LD | Body |
|---|---|---|---|---|
| 1902-08-03 | 36.28 | 836,520,47 | 192.49 | Earth |
| 1905-08-12 | 31.19 | 291,869,94 | 129.93 | Earth |
| 1908-08-22 | 26.12 | 355,756,82 | 74.52 | Earth |
| 1911-09-03 | 21.49 | 364,739,22 | 59.64 | Earth |
| 1911-09-23 | 23.37 | 421,491,9 | 23.91 | Venus |
| 1914-09-20 | 17.90 | 477,756,73 | 97.92 | Earth |
| 1917-10-16 | 19.47 | 097,288,45 | 142.71 | Earth |
| 1920-11-08 | 22.16 | 233,460,46 | 166.59 | Earth |
| 1923-11-29 | 22.93 | 205,558,76 | 176.44 | Earth |
| 1926-12-21 | 20.71 | 637,587,56 | 171.06 | Earth |
| 1930-01-22 | 14.65 | 888,215,45 | 141.75 | Earth |
| 1933-02-20 | 18.40 | 003,197,82 | 74.87 | Earth |
| 1936-03-02 | 24.06 | 570,027,02 | 53.88 | Earth |
| 1939-03-12 | 29.61 | 827,518,04 | 106.13 | Earth |
| 1942-03-21 | 35.57 | 982,581,86 | 177.30 | Earth |
| 1954-02-28 | 26.97 | 987,901,81 | 47.09 | Venus |
| 1995-01-08 | 4.95 | 056,851,792 | 772.70 | Juptr |
| 2007-01-29 | 4.96 | 612,350,782 | 746.43 | Juptr |
| 2019-02-16 | 5.22 | 028,606,092 | 755.67 | Juptr |
| 2020-08-09 | 25.07 | 175,339,01 | 28.43 | Venus |
| 2026-08-03 | 36.37 | 596,195,17 | 186.16 | Earth |
| 2029-08-07 | 33.95 | 442,820,06 | 156.09 | Earth |
| 2032-08-14 | 30.12 | 170,512,24 | 109.77 | Earth |
| 2033-01-06 | 19.75 | 424,991,31 | 34.32 | Mars |
| 2035-08-21 | 26.96 | 153,493,82 | 73.83 | Earth |
| 2038-08-27 | 23.78 | 815,373,91 | 50.38 | Earth |
| 2041-09-03 | 21.07 | 255,485,12 | 56.13 | Earth |
| 2044-09-16 | 17.87 | 320,490,53 | 91.26 | Earth |
| 2047-10-06 | 17.90 | 866,480,05 | 130.24 | Earth |
| 2050-10-26 | 20.51 | 058,683,06 | 157.02 | Earth |
| 2053-10-26 | 27.42 | 983,928,71 | 46.36 | Venus |
| 2053-11-10 | 22.45 | 547,671,66 | 172.08 | Earth |
| 2056-11-28 | 22.94 | 893,105,86 | 178.12 | Earth |
| 2059-12-17 | 21.66 | 730,685,76 | 175.74 | Earth |
| 2063-01-08 | 17.72 | 356,878,06 | 158.30 | Earth |
| 2066-02-10 | 14.49 | 424,682,54 | 117.76 | Earth |
| 2069-02-24 | 19.86 | 017,077,02 | 54.01 | Earth |
| 2072-03-05 | 25.24 | 190,164,91 | 50.60 | Earth |
| 2075-03-15 | 30.79 | 739,456,34 | 113.52 | Earth |
| 2078-03-23 | 35.91 | 886,768,76 | 176.48 | Earth |
| 2093-03-12 | 26.74 | 861,272,61 | 42.31 | Venus |
| 2102-08-16 | 21.12 | 433,458,2 | 7.42 | Mars |
| 2129-07-13 | 19.48 | 980,698,41 | 38.73 | Venus |
| 2147-08-06 | 35.73 | 133,727,76 | 176.11 | Earth |
| 2150-08-13 | 31.65 | 951,693,74 | 123.24 | Earth |
| 2153-08-17 | 29.29 | 054,182,63 | 94.34 | Earth |
| 2156-08-22 | 26.65 | 196,698,42 | 64.74 | Earth |
| 2159-08-27 | 24.44 | 093,289,71 | 46.76 | Earth |
| 2161-04-14 | 4.87 | 075,427,882 | 750.77 | Juptr |
| 2162-09-04 | 21.08 | 386,566,91 | 51.14 | Earth |
| 2162-09-25 | 21.71 | 677,306,7 | 19.77 | Venus |
| 2165-09-10 | 19.05 | 304,270,82 | 73.00 | Earth |
| 2168-09-19 | 17.32 | 961,941,93 | 101.80 | Earth |
| 2171-10-02 | 17.27 | 637,893,84 | 125.85 | Earth |
| 2173-05-02 | 5.04 | 248,781,982 | 751.98 | Juptr |
| 2174-10-22 | 19.69 | 194,805,95 | 154.74 | Earth |
| 2177-11-02 | 21.58 | 447,408,46 | 168.51 | Earth |
| 2180-11-14 | 22.93 | 303,883,86 | 177.83 | Earth |
| 2183-11-25 | 23.53 | 919,101,07 | 182.29 | Earth |
| 2186-12-11 | 22.90 | 875,068,96 | 181.66 | Earth |
| 2189-12-23 | 21.45 | 150,797,76 | 176.29 | Earth |
| 2193-01-09 | 18.34 | 564,140,26 | 161.33 | Earth |
| 2196-01-31 | 14.65 | 898,351,25 | 135.62 | Earth |
| 2199-02-22 | 17.71 | 904,168,82 | 75.05 | Earth |