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 10:33:53 S 07 46 32.138 +20 51 34.49 V C57
2021-12-23 10:43:54 S 07 46 30.569 +20 51 59.08 V C57
2021-12-23 10:53:53 S 07 46 28.718 +20 52 26.36 V C57
2021-12-23 11:03:54 S 07 46 27.151 +20 52 53.83 V C57
2021-12-23 11:13:53 S 07 46 25.361 +20 53 17.34 V C57
2021-12-23 11:23:54 S 07 46 23.798 +20 53 43.98 V C57
2021-12-23 11:33:53 S 07 46 22.102 +20 54 09.47 V C57
2021-12-23 11:43:53 S 07 46 20.573 +20 54 34.81 V C57
2021-12-23 11:53:54 S 07 46 18.607 +20 55 06.24 V C57
2021-12-23 12:03:53 S 07 46 16.968 +20 55 31.01 V C57
2021-12-23 12:13:54 S 07 46 15.240 +20 55 54.12 V C57
2021-12-23 12:23:53 S 07 46 13.577 +20 56 22.92 V C57
2021-12-23 12:33:54 S 07 46 11.671 +20 56 50.35 V C57
2021-12-23 12:43:53 S 07 46 10.123 +20 57 13.93 V C57
2021-12-23 12:53:54 S 07 46 08.443 +20 57 42.01 V C57
2021-12-23 13:03:52 S 07 46 06.689 +20 58 09.44 V C57
2021-12-23 13:13:53 S 07 46 04.908 +20 58 35.58 V C57
2021-12-23 13:33:53 S 07 46 01.620 +20 59 28.61 V C57
2021-12-23 13:43:54 S 07 45 59.772 +20 59 53.20 V C57
2021-12-23 13:53:53 S 07 45 58.217 +21 00 19.19 V C57
2021-12-23 14:03:54 S 07 45 56.438 +21 00 47.38 V C57
2021-12-23 14:13:53 S 07 45 54.883 +21 01 09.34 V C57
2021-12-23 14:23:54 S 07 45 53.100 +21 01 39.36 V C57
2021-12-23 14:33:53 S 07 45 51.410 +21 02 00.46 V C57
2021-12-23 15:03:53 S 07 45 46.339 +21 03 23.94 V C57
2021-12-23 15:23:53 S 07 45 42.763 +21 04 19.38 V C57
2021-12-23 15:33:54 S 07 45 41.160 +21 04 41.81 V C57
2021-12-23 15:53:53 S 07 45 37.901 +21 05 37.57 V C57
2021-12-23 16:03:53 S 07 45 35.940 +21 06 02.16 V C57
2021-12-23 16:13:53 S 07 45 34.354 +21 06 27.54 V C57
2021-12-23 16:23:54 S 07 45 32.693 +21 06 53.17 V C57
2021-12-23 16:33:53 S 07 45 31.049 +21 07 19.52 V C57
2021-12-23 16:43:54 S 07 45 29.350 +21 07 43.57 V C57
2021-12-23 16:53:53 S 07 45 27.763 +21 08 09.02 V C57
2021-12-23 16:53:53 s 1 -10009.435 0 +387672.08 3800.0 C57
2021-12-23 17:03:54 S 07 45 25.577 +21 08 38.22 V C57
2021-12-23 17:03:54 s 1 -10366.341 0 +387643.21 9020.0 C57
2021-12-23 17:13:53 S 07 45 24.125 +21 09 08.60 V C57
2021-12-23 17:13:53 s 1 -10723.224 0 +387613.40 3890.0 C57
2021-12-23 17:23:53 S 07 45 22.056 +21 09 29.05 V C57
2021-12-23 17:23:53 s 1 -11080.083 0 +387582.62 8420.0 C57
2021-12-23 17:33:53 S 07 45 20.866 +21 09 54.40 V C57
2021-12-23 17:33:53 s 1 -11436.917 0 +387550.90 2600.0 C57
2021-12-23 17:43:53 S 07 45 19.054 +21 10 25.21 V C57
2021-12-23 17:43:53 s 1 -11793.725 0 +387518.22 6430.0 C57
2021-12-23 17:53:54 S 07 45 17.206 +21 10 52.18 V C57
2021-12-23 17:53:54 s 1 -12150.507 0 +387484.58 9890.0 C57
2021-12-23 18:03:53 S 07 45 15.554 +21 11 13.24 V C57
2021-12-23 18:03:53 s 1 -12507.261 0 +387449.99 3000.0 C57
2021-12-23 18:13:54 S 07 45 14.033 +21 11 44.56 V C57