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
2021-12-23 02:33:53 S 07 47 53.976 +20 30 16.70 V C57
2021-12-23 02:33:53 s 1 +20672.107 0 +386581.72 4970.0 C57
2021-12-23 03:33:54 S 07 47 43.063 +20 33 01.33 V C57
2021-12-23 03:33:54 s 1 +18538.171 0 +386887.33 6650.0 C57
2021-12-23 03:43:53 S 07 47 41.683 +20 33 26.46 V C57
2021-12-23 03:43:53 s 1 +18182.335 0 +386934.91 6840.0 C57
2021-12-23 03:53:54 S 07 47 40.241 +20 33 48.64 V C57
2021-12-23 03:53:54 s 1 +17826.450 0 +386981.53 7000.0 C57
2021-12-23 04:03:53 S 07 47 38.642 +20 34 18.12 V C57
2021-12-23 04:03:53 s 1 +17470.516 0 +387027.20 7110.0 C57
2021-12-23 04:13:54 S 07 47 36.794 +20 34 39.94 V C57
2021-12-23 04:13:54 s 1 +17114.535 0 +387071.90 7180.0 C57
2021-12-23 04:23:54 S 07 47 35.412 +20 35 09.42 V C57
2021-12-23 04:23:54 s 1 +16758.508 0 +387115.65 7210.0 C57
2021-12-23 04:43:54 S 07 47 31.730 +20 36 05.83 V C57
2021-12-23 04:43:54 s 1 +16046.318 0 +387200.27 7100.0 C57
2021-12-23 04:53:53 S 07 47 30.094 +20 36 30.78 V C57
2021-12-23 04:53:53 s 1 +15690.158 0 +387241.14 6960.0 C57
2021-12-23 05:03:54 S 07 47 28.474 +20 36 55.30 V C57
2021-12-23 05:03:54 s 1 +15333.954 0 +387281.06 6750.0 C57
2021-12-23 05:13:53 S 07 47 26.758 +20 37 25.43 V C57
2021-12-23 05:13:53 s 1 +14977.709 0 +387320.01 6480.0 C57
2021-12-23 05:23:54 S 07 47 25.001 +20 37 49.26 V C57
2021-12-23 05:23:54 s 1 +14621.423 0 +387358.01 6140.0 C57
2021-12-23 05:43:54 S 07 47 21.629 +20 38 45.46 V C57
2021-12-23 05:43:54 s 1 +13908.732 0 +387431.14 5230.0 C57
2021-12-23 05:53:54 S 07 47 19.654 +20 39 11.56 V C57
2021-12-23 05:53:54 s 1 +13552.328 0 +387466.27 4660.0 C57
2021-12-23 06:13:54 S 07 47 16.279 +20 40 03.00 V C57
2021-12-23 06:13:54 s 1 +12839.411 0 +387533.66 3250.0 C57
2021-12-23 06:23:53 S 07 47 14.827 +20 40 27.19 V C57
2021-12-23 06:23:53 s 1 +12482.898 0 +387565.92 2400.0 C57
2021-12-23 06:33:54 S 07 47 13.049 +20 40 54.05 V C57
2021-12-23 06:33:54 s 1 +12126.351 0 +387597.22 1460.0 C57
2021-12-23 06:43:53 S 07 47 11.230 +20 41 24.72 V C57
2021-12-23 06:43:53 s 1 +11769.771 0 +387627.56 420.0 C57
2021-12-23 07:13:54 S 07 47 06.302 +20 42 41.51 V C57
2021-12-23 07:13:54 s 1 +10699.836 0 +387712.86 6650.0 C57
2021-12-23 07:23:54 S 07 47 04.418 +20 43 07.50 V C57
2021-12-23 07:23:54 s 1 +10343.130 0 +387739.38 5170.0 C57
2021-12-23 08:23:54 S 07 46 54.230 +20 45 48.74 V C57
2021-12-23 08:33:53 S 07 46 52.824 +20 46 13.84 V C57
2021-12-23 08:43:54 S 07 46 50.767 +20 46 41.09 V C57
2021-12-23 09:03:53 S 07 46 47.796 +20 47 32.60 V C57
2021-12-23 09:13:54 S 07 46 45.989 +20 47 58.88 V C57
2021-12-23 09:23:53 S 07 46 44.107 +20 48 29.52 V C57
2021-12-23 09:43:53 S 07 46 40.884 +20 49 23.05 V C57
2021-12-23 10:03:53 S 07 46 37.183 +20 50 15.14 V C57
2021-12-23 10:13:54 S 07 46 35.659 +20 50 40.31 V C57
2021-12-23 10:23:54 S 07 46 33.638 +20 51 06.26 V C57