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
2022-01-03 11:23:53 S 07 05 56.626 +30 25 27.26 V C57
2022-01-03 11:23:53 s 1 +138022.62 2 +304255.04 9750.0 C57
2022-01-03 11:43:53 S 07 05 53.506 +30 26 00.60 V C57
2022-01-03 11:43:53 s 1 +137492.31 9 +305104.33 2880.0 C57
2022-01-03 11:53:53 S 07 05 52.282 +30 26 23.21 V C57
2022-01-03 11:53:53 s 1 +137226.38 8 +305527.30 6530.0 C57
2022-01-03 12:13:53 S 07 05 49.913 +30 26 54.92 V C57
2022-01-03 12:13:53 s 1 +136692.97 8 +306369.88 8080.0 C57
2022-01-03 12:23:53 S 07 05 48.132 +30 27 15.44 V C57
2022-01-03 12:23:53 s 1 +136425.50 2 +306789.49 5980.0 C57
2022-01-03 12:33:53 S 07 05 46.500 +30 27 24.16 V C57
2022-01-03 12:33:53 s 1 +136157.51 6 +307207.98 1980.0 C57
2022-01-03 12:43:53 S 07 05 45.439 +30 27 42.23 V C57
2022-01-03 12:43:53 s 1 +135889.02 2 +307625.37 6090.0 C57
2022-01-03 12:53:53 S 07 05 44.021 +30 27 59.98 V C57
2022-01-03 12:53:53 s 1 +135620.00 8 +308041.63 8250.0 C57
2022-01-03 13:03:53 S 07 05 42.019 +30 28 21.61 V C57
2022-01-03 13:03:53 s 1 +135349.81 1 +308456.42 5600.0 C57
2022-01-03 13:13:53 S 07 05 40.961 +30 28 35.83 V C57
2022-01-03 13:13:53 s 1 +135079.84 3 +308870.47 4260.0 C57
2022-01-03 13:23:53 S 07 05 39.173 +30 28 58.08 V C57
2022-01-03 13:23:53 s 1 +134809.33 0 +309283.39 870.0 C57
2022-01-03 13:33:53 S 07 05 38.352 +30 29 14.03 V C57
2022-01-03 13:33:53 s 1 +134538.32 8 +309695.23 5660.0 C57
2022-01-03 13:43:53 S 07 05 36.497 +30 29 29.04 V C57
2022-01-03 13:43:53 s 1 +134266.82 2 +310105.93 8590.0 C57
2022-01-03 13:53:53 S 07 05 35.285 +30 29 46.50 V C57
2022-01-03 13:53:53 s 1 +133994.82 0 +310515.53 9670.0 C57
2022-01-03 14:03:53 S 07 05 33.653 +30 29 57.01 V C57
2022-01-03 14:03:53 s 1 +133722.33 6 +310924.04 8970.0 C57
2022-01-03 14:13:53 S 07 05 32.134 +30 30 16.96 V C57
2022-01-03 14:13:53 s 1 +133449.35 3 +311331.42 6430.0 C57
2022-01-03 14:33:53 S 07 05 29.429 +30 30 52.06 V C57
2022-01-03 14:33:53 s 1 +132901.93 2 +312142.89 5950.0 C57
2022-01-03 14:43:53 S 07 05 28.087 +30 31 04.94 V C57
2022-01-03 14:43:53 s 1 +132627.49 1 +312546.96 8010.0 C57
2022-01-03 14:53:53 S 07 05 26.623 +30 31 21.50 V C57
2022-01-03 14:53:53 s 1 +132352.56 6 +312949.93 8280.0 C57
2022-01-03 15:03:53 S 07 05 24.917 +30 31 37.45 V C57
2022-01-03 15:03:53 s 1 +132077.16 9 +313351.81 6820.0 C57
2022-01-03 15:13:53 S 07 05 23.395 +30 32 00.24 V C57
2022-01-03 15:13:53 s 1 +131801.28 7 +313752.58 3560.0 C57
2022-01-03 15:23:53 S 07 05 22.440 +30 32 11.22 V C57
2022-01-03 15:23:53 s 1 +131524.92 7 +314152.25 8540.0 C57
2022-01-03 15:33:53 S 07 05 20.731 +30 32 31.34 V C57
2022-01-03 15:33:53 s 1 +131248.10 2 +314550.83 1800.0 C57
2022-01-03 15:43:53 S 07 05 19.339 +30 32 49.52 V C57
2022-01-03 15:43:53 s 1 +130970.79 6 +314948.30 3300.0 C57
2022-01-03 15:53:53 S 07 05 17.842 +30 33 09.50 V C57
2022-01-03 15:53:53 s 1 +130693.01 9 +315344.67 3050.0 C57