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
2021-12-22 02:43:54 S 07 51 55.654 +19 25 26.44 V C57
2021-12-22 02:43:54 s 1 +70478.634 0 +368978.71 5160.0 C57
2021-12-22 02:53:54 S 07 51 54.053 +19 25 52.32 V C57
2021-12-22 02:53:54 s 1 +70140.811 0 +369171.52 4440.0 C57
2021-12-22 03:13:54 S 07 51 50.698 +19 26 46.43 V C57
2021-12-22 03:13:54 s 1 +69464.575 0 +369554.16 1260.0 C57
2021-12-22 03:23:54 S 07 51 49.051 +19 27 14.11 V C57
2021-12-22 03:23:54 s 1 +69126.166 0 +369743.98 8820.0 C57
2021-12-22 03:33:54 S 07 51 47.170 +19 27 43.06 V C57
2021-12-22 03:33:54 s 1 +68787.563 0 +369932.80 5810.0 C57
2021-12-22 03:43:54 S 07 51 45.605 +19 28 07.36 V C57
2021-12-22 03:43:54 s 1 +68448.767 0 +370120.63 2230.0 C57
2021-12-22 03:53:54 S 07 51 43.951 +19 28 36.95 V C57
2021-12-22 03:53:54 s 1 +68109.781 0 +370307.46 8110.0 C57
2021-12-22 04:03:54 S 07 51 42.250 +19 29 06.47 V C57
2021-12-22 04:03:54 s 1 +67770.605 0 +370493.29 3420.0 C57
2021-12-22 04:13:54 S 07 51 40.622 +19 29 35.70 V C57
2021-12-22 04:13:54 s 1 +67431.240 0 +370678.13 8200.0 C57
2021-12-22 04:43:54 S 07 51 35.532 +19 30 56.56 V C57
2021-12-22 04:43:54 s 1 +66412.023 0 +371226.68 9270.0 C57
2021-12-22 04:53:54 S 07 51 33.862 +19 31 23.77 V C57
2021-12-22 04:53:54 s 1 +66071.914 0 +371407.55 1900.0 C57
2021-12-22 05:03:54 S 07 51 32.172 +19 31 51.17 V C57
2021-12-22 05:03:54 s 1 +65731.621 0 +371587.42 4010.0 C57
2021-12-22 05:13:54 S 07 51 30.274 +19 32 20.76 V C57
2021-12-22 05:13:54 s 1 +65391.146 0 +371766.30 5590.0 C57
2021-12-22 05:23:54 S 07 51 28.675 +19 32 47.90 V C57
2021-12-22 05:23:54 s 1 +65050.490 0 +371944.18 6650.0 C57
2021-12-22 05:33:54 S 07 51 26.868 +19 33 15.16 V C57
2021-12-22 05:33:54 s 1 +64709.653 0 +372121.07 7210.0 C57
2021-12-22 05:43:54 S 07 51 25.394 +19 33 42.41 V C57
2021-12-22 05:43:54 s 1 +64368.638 0 +372296.98 7260.0 C57
2021-12-22 05:53:54 S 07 51 23.513 +19 34 11.35 V C57
2021-12-22 05:53:54 s 1 +64027.444 0 +372471.89 6800.0 C57
2021-12-22 06:03:54 S 07 51 22.078 +19 34 35.72 V C57
2021-12-22 06:03:54 s 1 +63686.073 0 +372645.80 5850.0 C57
2021-12-22 06:13:54 S 07 51 20.242 +19 35 06.04 V C57
2021-12-22 06:13:54 s 1 +63344.527 0 +372818.73 4400.0 C57
2021-12-22 06:23:54 S 07 51 18.850 +19 35 31.20 V C57
2021-12-22 06:23:54 s 1 +63002.806 0 +372990.67 2460.0 C57
2021-12-22 06:43:54 S 07 51 15.312 +19 36 26.03 V C57
2021-12-22 06:43:54 s 1 +62318.843 0 +373331.58 7140.0 C57
2021-12-22 06:53:54 S 07 51 13.606 +19 36 54.00 V C57
2021-12-22 06:53:54 s 1 +61976.604 0 +373500.55 3760.0 C57
2021-12-22 07:03:54 S 07 51 12.182 +19 37 24.06 V C57
2021-12-22 07:03:54 s 1 +61634.195 0 +373668.53 9910.0 C57
2021-12-22 07:23:54 S 07 51 08.633 +19 38 16.04 V C57
2021-12-22 07:23:54 s 1 +60948.868 0 +374001.53 820.0 C57
2021-12-22 07:33:54 S 07 51 06.679 +19 38 45.74 V C57
2021-12-22 07:33:54 s 1 +60605.953 0 +374166.55 5580.0 C57