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
2024-12-08 10:27:01 C 08 54 17.892 +09 03 12.96 V 703
2024-12-08 10:30:18 C 08 54 17.492 +09 03 21.53 V 703
2024-12-08 10:33:35 C 08 54 17.136 +09 03 30.28 V 703
2024-12-08 10:36:52 C 08 54 16.790 +09 03 38.81 V 703
2024-12-08 12:19:25 C 08 54 06.125 +09 08 12.44 V T05
2024-12-08 12:37:18 C 08 54 04.114 +09 08 59.64 V T05
2024-12-08 12:41:52 C 08 54 03.586 +09 09 11.88 V T05
2024-12-08 12:46:26 C 08 54 03.070 +09 09 23.65 V T05
2024-12-09 01:14:32 C 08 52 41.510 +09 42 32.69 V M22
2024-12-09 01:17:10 C 08 52 41.210 +09 42 39.28 V M22
2024-12-09 01:21:44 C 08 52 40.687 +09 42 52.09 V M22
2024-12-09 01:35:26 C 08 52 39.144 +09 43 28.60 V M22
2024-12-09 10:16:50 C 08 51 41.656 +10 06 04.32 V 703
2024-12-09 10:19:48 C 08 51 41.296 +10 06 12.46 V 703
2024-12-09 10:22:46 C 08 51 40.943 +10 06 20.77 V 703
2024-12-09 10:25:43 C 08 51 40.579 +10 06 28.12 V 703
2024-12-09 11:53:20 C 08 51 31.354 +10 10 22.56 X F51
2024-12-09 12:10:57 C 08 51 29.319 +10 11 09.23 X F51
2024-12-09 12:28:31 C 08 51 27.294 +10 11 55.61 X F51
2024-12-09 12:46:16 C 08 51 25.237 +10 12 42.55 X F51
2024-12-10 07:45:22 C 08 49 17.677 +11 02 45.78 V 703
2024-12-10 07:48:39 C 08 49 17.231 +11 02 55.03 V 703
2024-12-10 07:51:56 C 08 49 16.864 +11 03 03.02 V 703
2024-12-10 07:55:13 C 08 49 16.529 +11 03 12.24 V 703
2024-12-10 12:46:39 C 08 48 42.917 +11 16 06.35 V T08
2024-12-10 12:49:19 C 08 48 42.607 +11 16 13.19 V T08
2024-12-10 13:12:52 C 08 48 39.794 +11 17 15.61 V T08
2024-12-10 13:20:47 C 08 48 38.844 +11 17 36.64 V T08
2024-12-11 07:10:43 C 08 46 36.106 +12 04 34.39 V 703
2024-12-11 07:14:01 C 08 46 35.717 +12 04 43.21 V 703
2024-12-11 07:17:20 C 08 46 35.364 +12 04 52.50 V 703
2024-12-11 07:22:34 C 08 46 34.640 +12 05 06.11 V 703
2024-12-12 12:14:31 C 08 43 09.480 +13 21 11.45 V T05
2024-12-12 12:17:09 C 08 43 09.178 +13 21 18.54 V T05
2024-12-12 12:21:44 C 08 43 08.638 +13 21 30.53 V T05
2024-12-12 12:29:35 C 08 43 07.606 +13 21 51.05 V T05
2024-12-12 14:43:11 C 08 42 50.837 +13 27 42.23 V T08
2024-12-12 14:44:04 C 08 42 50.777 +13 27 45.18 V T08
2024-12-12 14:52:21 C 08 42 49.745 +13 28 07.10 V T08
2024-12-12 15:36:09 C 08 42 44.266 +13 30 01.33 V T08
2024-12-13 07:34:19 C 08 40 49.318 +14 11 49.56 V G96
2024-12-13 07:41:41 C 08 40 48.392 +14 12 09.32 V G96
2024-12-13 07:49:04 C 08 40 47.464 +14 12 28.55 V G96
2024-12-13 07:56:28 C 08 40 46.528 +14 12 47.95 V G96
2024-12-14 11:04:41 C 08 37 24.840 +15 23 40.06 V T08
2024-12-14 11:07:19 C 08 37 24.523 +15 23 47.11 V T08
2024-12-14 11:36:11 C 08 37 20.750 +15 25 02.17 V T08
2024-12-14 11:54:08 C 08 37 18.432 +15 25 48.94 V T08
2024-12-20 12:58:13 C 08 18 02.621 +21 30 10.51 V T08
2024-12-20 13:02:57 C 08 18 01.942 +21 30 21.82 V T08