138937 (2001 BK16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6779799601 ± 2.67e-08
Semi-major axis (a)2.0723812401 AU ± 1.62e-09
Inclination (i)31.81272239° ± 7.68e-06
Long. of Asc. Node (Ω)98.82942656° ± 3.34e-06
Arg. of Perihelion (ω)252.42382053° ± 6.09e-06
Mean Anomaly (M)139.15541447° ± 2.92e-06
Mean Motion (n)0.3303754729°/day ± 3.88e-10
Perihelion dist (q)0.66734829 AU ± 5.54e-08
Aphelion dist (Q)3.47741419 AU ± 5.55e-08
Orbital Period2.98335187 yr ± 3.51e-09
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.809″
Uncertainty0
Orbit TypeApollo
MOID0.062171 AU
Observations Used3037
Oppositions18
Arc Total1998-2025
First Observation Used1998-01-27
Last Observation Used2025-02-25
Observations (5212)
Date Type RA Dec Mag Band Observatory
2021-12-12 13:33:54 S 08 27 51.518 +07 36 42.08 V C57
2021-12-12 13:33:54 s 1 -128807.31 6 +312001.87 3200.0 C57
2021-12-12 13:43:54 S 08 27 50.150 +07 37 14.88 V C57
2021-12-12 13:43:54 s 1 -129081.27 1 +311604.23 3830.0 C57
2021-12-12 13:53:54 S 08 27 48.216 +07 37 52.57 V C57
2021-12-12 13:53:54 s 1 -129354.76 9 +311205.48 2300.0 C57
2021-12-12 14:03:54 S 08 27 46.531 +07 38 21.34 V C57
2021-12-12 14:03:54 s 1 -129627.80 8 +310805.62 8590.0 C57
2021-12-12 14:13:54 S 08 27 44.909 +07 38 56.51 V C57
2021-12-12 14:13:54 s 1 -129900.38 6 +310404.65 2710.0 C57
2021-12-12 14:23:54 S 08 27 43.320 +07 39 23.08 V C57
2021-12-12 14:23:54 s 1 -130172.50 2 +310002.58 4640.0 C57
2021-12-12 14:33:54 S 08 27 41.748 +07 39 55.66 V C57
2021-12-12 14:33:54 s 1 -130444.15 2 +309599.39 4370.0 C57
2021-12-12 14:43:54 S 08 27 40.078 +07 40 27.52 V C57
2021-12-12 14:43:54 s 1 -130715.33 6 +309195.09 1900.0 C57
2021-12-12 14:53:54 S 08 27 38.825 +07 41 01.46 V C57
2021-12-12 14:53:54 s 1 -130986.05 0 +308789.69 7210.0 C57
2021-12-12 15:03:54 S 08 27 36.713 +07 41 32.89 V C57
2021-12-12 15:03:54 s 1 -131256.29 4 +308383.16 300.0 C57
2021-12-12 15:23:54 S 08 27 33.701 +07 42 38.95 V C57
2021-12-12 15:23:54 s 1 -131795.36 1 +307566.78 9780.0 C57
2021-12-12 15:33:54 S 08 27 31.781 +07 43 12.65 V C57
2021-12-12 15:33:54 s 1 -132064.18 1 +307156.91 6150.0 C57
2021-12-12 15:43:54 S 08 27 30.029 +07 43 45.48 V C57
2021-12-12 15:43:54 s 1 -132332.52 1 +306745.93 270.0 C57
2021-12-12 15:53:54 S 08 27 28.752 +07 44 17.59 V C57
2021-12-12 15:53:54 s 1 -132600.38 0 +306333.83 2120.0 C57
2021-12-12 16:03:54 S 08 27 27.067 +07 44 46.50 V C57
2021-12-12 16:03:54 s 1 -132867.75 7 +305920.61 1690.0 C57
2021-12-12 16:13:54 S 08 27 25.409 +07 45 23.29 V C57
2021-12-12 16:13:54 s 1 -133134.64 8 +305506.28 8980.0 C57
2021-12-12 16:23:54 S 08 27 23.707 +07 45 56.56 V C57
2021-12-12 16:23:54 s 1 -133401.05 2 +305090.82 3980.0 C57
2021-12-12 16:43:54 S 08 27 20.489 +07 46 58.94 V C57
2021-12-12 16:43:54 s 1 -133932.39 0 +304256.53 7060.0 C57
2021-12-12 16:53:54 S 08 27 18.814 +07 47 27.92 V C57
2021-12-12 16:53:54 s 1 -134197.32 0 +303837.71 5120.0 C57
2021-12-12 17:03:54 S 08 27 17.314 +07 48 05.54 V C57
2021-12-12 17:03:54 s 1 -134461.75 4 +303417.76 860.0 C57
2021-12-12 17:13:54 S 08 27 15.482 +07 48 32.58 V C57
2021-12-12 17:13:54 s 1 -134725.69 1 +302996.68 4260.0 C57
2021-12-12 17:23:54 S 08 27 14.095 +07 49 03.14 V C57
2021-12-12 17:23:54 s 1 -134989.12 8 +302574.48 5310.0 C57
2021-12-12 17:33:54 S 08 27 12.240 +07 49 38.86 V C57
2021-12-12 17:33:54 s 1 -135252.06 3 +302151.15 4010.0 C57
2021-12-12 17:43:54 S 08 27 10.378 +07 50 12.70 V C57
2021-12-12 17:43:54 s 1 -135514.49 4 +301726.69 340.0 C57
2021-12-12 17:53:54 S 08 27 09.266 +07 50 42.43 V C57
2021-12-12 17:53:54 s 1 -135776.41 9 +301301.10 4300.0 C57