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
2021-12-27 04:13:53 S 07 31 18.396 +24 31 50.16 V C57
2021-12-27 04:13:53 s 1 -163297.17 3 +248687.80 8050.0 C57
2021-12-27 04:23:53 S 07 31 16.901 +24 32 10.97 V C57
2021-12-27 04:23:53 s 1 -163491.98 9 +248137.29 1760.0 C57
2021-12-27 04:33:53 S 07 31 14.719 +24 32 33.79 V C57
2021-12-27 04:33:53 s 1 -163685.99 0 +247585.55 1620.0 C57
2021-12-27 04:43:53 S 07 31 13.426 +24 32 51.58 V C57
2021-12-27 04:43:53 s 1 -163879.17 2 +247032.59 7630.0 C57
2021-12-27 04:53:53 S 07 31 11.474 +24 33 17.42 V C57
2021-12-27 04:53:53 s 1 -164071.53 2 +246478.39 9770.0 C57
2021-12-27 05:03:53 S 07 31 09.706 +24 33 39.71 V C57
2021-12-27 05:03:53 s 1 -164263.06 5 +245922.96 8010.0 C57
2021-12-27 05:13:53 S 07 31 08.347 +24 34 02.57 V C57
2021-12-27 05:13:53 s 1 -164453.76 8 +245366.29 2350.0 C57
2021-12-27 05:23:53 S 07 31 06.638 +24 34 28.45 V C57
2021-12-27 05:23:53 s 1 -164643.63 8 +244808.39 2770.0 C57
2021-12-27 05:33:53 S 07 31 04.956 +24 34 49.08 V C57
2021-12-27 05:33:53 s 1 -164832.67 1 +244249.25 9250.0 C57
2021-12-27 05:43:53 S 07 31 03.350 +24 35 04.60 V C57
2021-12-27 05:43:53 s 1 -165020.86 3 +243688.87 1770.0 C57
2021-12-27 05:53:53 S 07 31 01.610 +24 35 34.19 V C57
2021-12-27 05:53:53 s 1 -165208.21 0 +243127.26 330.0 C57
2021-12-27 06:03:53 S 07 31 00.108 +24 35 57.62 V C57
2021-12-27 06:03:53 s 1 -165394.71 0 +242564.40 4900.0 C57
2021-12-27 06:13:53 S 07 30 58.150 +24 36 16.13 V C57
2021-12-27 06:13:53 s 1 -165580.35 7 +242000.31 5460.0 C57
2021-12-27 06:23:53 S 07 30 56.556 +24 36 38.70 V C57
2021-12-27 06:23:53 s 1 -165765.14 9 +241434.97 2000.0 C57
2021-12-27 06:33:53 S 07 30 54.974 +24 37 02.68 V C57
2021-12-27 06:33:53 s 1 -165949.08 2 +240868.39 4510.0 C57
2021-12-27 06:43:53 S 07 30 53.074 +24 37 25.61 V C57
2021-12-27 06:43:53 s 1 -166132.15 2 +240300.56 2960.0 C57
2021-12-27 06:53:53 S 07 30 51.542 +24 37 48.40 V C57
2021-12-27 06:53:53 s 1 -166314.35 5 +239731.49 7350.0 C57
2021-12-27 06:56:20 C 07 31 04.65 +24 35 33.3 V 703
2021-12-27 07:03:53 C 07 31 03.41 +24 35 50.8 V 703
2021-12-27 07:03:53 S 07 30 50.153 +24 38 09.46 V C57
2021-12-27 07:03:53 s 1 -166495.68 6 +239161.17 7640.0 C57
2021-12-27 07:11:26 C 07 31 02.18 +24 36 08.4 V 703
2021-12-27 07:13:53 S 07 30 48.346 +24 38 36.20 V C57
2021-12-27 07:13:53 s 1 -166676.14 4 +238589.60 3830.0 C57
2021-12-27 07:18:59 C 07 31 00.98 +24 36 26.6 V 703
2021-12-27 07:23:53 S 07 30 46.625 +24 38 56.72 V C57
2021-12-27 07:23:53 s 1 -166855.72 3 +238016.78 5900.0 C57
2021-12-27 07:33:53 S 07 30 44.774 +24 39 19.91 V C57
2021-12-27 07:33:53 s 1 -167034.41 9 +237442.71 3830.0 C57
2021-12-27 07:43:53 S 07 30 43.046 +24 39 41.18 V C57
2021-12-27 07:43:53 s 1 -167212.22 9 +236867.39 7610.0 C57
2021-12-27 07:53:53 S 07 30 41.582 +24 40 01.96 V C57
2021-12-27 07:53:53 s 1 -167389.15 0 +236290.82 7210.0 C57