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
2024-06-26 10:56:31 C 14 06 25.065 +23 15 46.23 X F52
2024-06-28 07:43:29 C 14 03 41.208 +22 24 02.09 V T05
2024-06-28 07:48:02 C 14 03 40.843 +22 23 59.46 V T05
2024-06-28 07:57:09 C 14 03 40.308 +22 23 47.90 V T05
2024-06-28 08:11:29 C 14 03 39.372 +22 23 30.73 V T05
2024-07-04 07:07:28 C 13 56 02.059 +19 25 47.53 V T08
2024-07-04 07:12:07 C 13 56 01.778 +19 25 40.04 V T08
2024-07-04 07:22:21 C 13 56 01.286 +19 25 27.66 V T08
2024-07-04 07:39:42 C 13 56 00.480 +19 25 04.91 V T08
2024-11-03 07:52:36 C 09 50 51.065 -22 37 00.12 V W68
2024-11-03 08:11:16 C 09 50 49.980 -22 36 25.27 V W68
2024-11-03 08:18:29 C 09 50 49.531 -22 36 10.91 V W68
2024-11-03 08:25:07 C 09 50 49.200 -22 35 59.14 V W68
2024-11-03 08:25:48 C 09 50 49.121 -22 35 56.80 V W68
2024-11-03 08:43:40 C 09 50 48.029 -22 35 24.36 V W68
2024-11-07 07:31:18 C 09 45 50.165 -19 30 52.92 V W68
2024-11-07 07:36:38 C 09 45 49.954 -19 30 41.90 V W68
2024-11-07 07:46:00 C 09 45 49.406 -19 30 24.48 V W68
2024-11-07 08:02:00 C 09 45 48.571 -19 29 52.19 V W68
2024-11-08 07:34:52 C 09 44 37.625 -18 43 23.48 V W68
2024-11-08 07:39:26 C 09 44 37.433 -18 43 12.94 V W68
2024-11-08 07:48:13 C 09 44 36.926 -18 42 55.62 V W68
2024-11-08 08:04:39 C 09 44 36.101 -18 42 23.76 V W68
2024-11-10 13:50:07 C 09 41 55.690 -16 55 16.82 V T05
2024-11-10 13:56:28 C 09 41 55.418 -16 55 04.01 V T05
2024-11-10 14:06:18 C 09 41 54.816 -16 54 44.75 V T05
2024-11-10 14:17:35 C 09 41 54.266 -16 54 21.49 V T05
2024-11-11 07:44:06 C 09 41 02.419 -16 18 53.21 V W68
2024-11-11 07:48:41 C 09 41 02.170 -16 18 44.24 V W68
2024-11-11 07:53:58 C 09 41 01.886 -16 18 33.41 V W68
2024-11-11 08:29:21 C 09 41 00.026 -16 17 22.16 V W68
2024-11-12 07:23:15 C 09 39 51.708 -15 30 46.84 V W68
2024-11-12 07:27:52 C 09 39 51.434 -15 30 38.02 V W68
2024-11-12 07:36:22 C 09 39 51.017 -15 30 20.59 V W68
2024-11-12 07:48:27 C 09 39 50.383 -15 29 56.15 V W68
2024-11-14 11:51:17 C 09 37 12.148 -13 42 55.08 V 703
2024-11-14 11:58:14 C 09 37 11.680 -13 42 39.49 V 703
2024-11-14 12:01:43 C 09 37 11.435 -13 42 32.26 V 703
2024-11-15 10:11:09 C 09 36 03.200 -12 56 12.55 V 703
2024-11-15 10:14:30 C 09 36 03.046 -12 56 04.78 V 703
2024-11-15 10:17:51 C 09 36 02.768 -12 55 56.53 V 703
2024-11-15 10:21:11 C 09 36 02.603 -12 55 50.16 V 703
2024-11-20 12:51:52 C 09 29 15.630 -08 31 23.77 V 703
2024-11-20 12:55:11 C 09 29 15.371 -08 31 15.35 V 703
2024-11-20 12:58:29 C 09 29 15.266 -08 31 09.08 V 703
2024-11-20 13:01:48 C 09 29 15.022 -08 31 01.52 V 703
2024-11-20 14:48:30 C 09 29 09.007 -08 27 00.86 V T08
2024-11-20 15:15:22 C 09 29 07.315 -08 25 59.63 V T08
2024-11-20 15:32:40 C 09 29 06.180 -08 25 22.84 V T08
2024-11-20 15:43:32 C 09 29 05.462 -08 24 58.79 V T08