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
2022-01-06 06:23:53 S 06 56 30.941 +32 09 47.84 V C57
2022-01-06 06:33:53 S 06 56 29.570 +32 09 54.76 V C57
2022-01-06 06:43:53 S 06 56 27.890 +32 10 12.76 V C57
2022-01-06 07:33:53 S 06 56 21.259 +32 11 20.11 V C57
2022-01-06 07:53:53 S 06 56 18.065 +32 11 52.15 V C57
2022-01-06 08:33:53 S 06 56 12.778 +32 12 45.97 V C57
2022-01-06 08:53:53 S 06 56 09.578 +32 13 15.13 V C57
2022-01-06 09:23:53 S 06 56 06.024 +32 13 57.76 V C57
2022-01-06 09:33:53 S 06 56 04.255 +32 14 09.10 V C57
2022-01-06 09:43:53 S 06 56 03.252 +32 14 24.65 V C57
2022-01-06 10:03:53 S 06 56 00.475 +32 14 50.39 V C57
2022-01-06 10:23:53 S 06 55 57.682 +32 15 23.29 V C57
2022-01-06 10:33:53 S 06 55 55.930 +32 15 30.92 V C57
2022-01-06 10:43:53 S 06 55 55.205 +32 15 47.38 V C57
2022-01-06 10:53:53 S 06 55 53.570 +32 16 02.35 V C57
2022-01-06 11:23:53 S 06 55 49.591 +32 16 43.10 V C57
2022-01-06 11:33:53 S 06 55 48.132 +32 16 57.47 V C57
2022-01-06 11:43:53 S 06 55 47.088 +32 17 05.71 V C57
2022-01-06 12:13:53 S 06 55 42.802 +32 17 57.91 V C57
2022-01-06 12:33:53 S 06 55 39.698 +32 18 19.80 V C57
2022-01-06 13:23:53 S 06 55 33.038 +32 19 37.09 V C57
2022-01-06 13:33:53 S 06 55 31.997 +32 19 44.22 V C57
2022-01-06 13:43:53 S 06 55 30.355 +32 20 02.58 V C57
2022-01-06 14:03:53 S 06 55 27.643 +32 20 27.56 V C57
2022-01-06 14:03:53 s 1 -10408.392 0 +392898.26 3430.0 C57
2022-01-06 14:13:53 S 06 55 26.297 +32 20 41.71 V C57
2022-01-06 14:13:53 s 1 -10768.376 0 +392882.64 7800.0 C57
2022-01-06 14:23:53 S 06 55 24.965 +32 20 55.03 V C57
2022-01-06 14:23:53 s 1 -11128.349 0 +392866.11 1830.0 C57
2022-01-06 14:43:53 S 06 55 22.325 +32 21 19.66 V C57
2022-01-06 14:43:53 s 1 -11848.254 0 +392830.29 8820.0 C57
2022-01-06 14:53:53 S 06 55 21.408 +32 21 34.49 V C57
2022-01-06 14:53:53 s 1 -12208.184 0 +392811.00 1790.0 C57
2022-01-06 15:03:53 S 06 55 19.898 +32 21 50.58 V C57
2022-01-06 15:03:53 s 1 -12568.100 0 +392790.80 4390.0 C57
2022-01-06 15:13:53 S 06 55 18.151 +32 22 07.25 V C57
2022-01-06 15:13:53 s 1 -12927.999 0 +392769.68 6620.0 C57
2022-01-06 15:23:53 S 06 55 16.721 +32 22 21.76 V C57
2022-01-06 15:23:53 s 1 -13287.881 0 +392747.64 8490.0 C57
2022-01-06 15:33:53 S 06 55 15.950 +32 22 31.76 V C57
2022-01-06 15:33:53 s 1 -13647.744 0 +392724.69 9980.0 C57
2022-01-06 15:53:53 S 06 55 13.231 +32 22 55.56 V C57
2022-01-06 15:53:53 s 1 -14367.414 0 +392676.03 1830.0 C57
2022-01-06 16:03:53 S 06 55 11.150 +32 23 16.40 V C57
2022-01-06 16:03:53 s 1 -14727.218 0 +392650.33 2170.0 C57
2022-01-06 16:13:53 S 06 55 09.900 +32 23 22.31 V C57
2022-01-06 16:13:53 s 1 -15087.001 0 +392623.71 2130.0 C57
2022-01-06 16:43:53 S 06 55 05.952 +32 24 14.80 V C57
2022-01-06 16:43:53 s 1 -16166.213 0 +392538.35 9650.0 C57
2022-01-06 16:53:53 S 06 55 04.591 +32 24 21.28 V C57