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
2024-12-20 13:04:16 C 08 18 01.718 +21 30 24.66 V T08
2024-12-20 13:08:57 C 08 18 01.056 +21 30 36.43 V T08
2024-12-20 13:13:44 C 08 18 00.360 +21 30 47.27 V T08
2024-12-20 13:16:24 C 08 17 59.964 +21 30 53.57 V T08
2024-12-21 09:57:13 C 08 15 06.721 +22 19 58.80 V 703
2024-12-21 10:00:33 C 08 15 06.235 +22 20 06.65 V 703
2024-12-21 10:03:53 C 08 15 05.742 +22 20 14.93 V 703
2024-12-21 10:07:11 C 08 15 05.267 +22 20 22.45 V 703
2024-12-21 10:58:24 C 08 14 58.728 +22 22 26.08 V T05
2024-12-21 11:02:32 C 08 14 58.121 +22 22 35.76 V T05
2024-12-21 11:07:46 C 08 14 57.350 +22 22 48.29 V T05
2024-12-21 11:15:09 C 08 14 56.287 +22 23 05.46 V T05
2024-12-21 12:00:05 C 08 14 48.941 +22 24 47.05 V G96
2024-12-21 12:07:31 C 08 14 47.872 +22 25 04.44 V G96
2024-12-21 12:14:55 C 08 14 46.806 +22 25 21.72 V G96
2024-12-21 12:22:19 C 08 14 45.733 +22 25 38.96 V G96
2024-12-22 07:58:50 C 08 12 00.803 +23 11 21.41 V 703
2024-12-22 08:02:08 C 08 12 00.356 +23 11 28.32 V 703
2024-12-22 08:05:26 C 08 11 59.899 +23 11 36.46 V 703
2024-12-22 08:08:45 C 08 11 59.402 +23 11 44.27 V 703
2024-12-22 10:58:23 C 08 11 35.436 +23 18 18.47 V T05
2024-12-22 11:01:00 C 08 11 35.045 +23 18 24.37 V T05
2024-12-22 11:06:52 C 08 11 34.193 +23 18 38.09 V T05
2024-12-22 11:35:22 C 08 11 30.014 +23 19 43.90 V T05
2024-12-22 12:01:26 C 08 11 25.397 +23 20 39.37 V V00
2024-12-22 12:09:32 C 08 11 24.220 +23 20 57.88 V V00
2024-12-22 12:17:36 C 08 11 23.046 +23 21 16.31 V V00
2024-12-22 12:25:41 C 08 11 21.869 +23 21 34.74 V V00
2024-12-23 12:42:10 C 08 07 54.958 +24 16 47.32 V T08
2024-12-23 12:46:50 C 08 07 54.264 +24 16 58.19 V T08
2024-12-23 13:25:10 C 08 07 48.593 +24 18 23.58 V T08
2024-12-23 14:06:13 C 08 07 42.516 +24 19 55.16 V T08
2024-12-25 09:46:16 C 08 01 26.763 +25 55 20.25 X F52
2024-12-25 10:05:50 C 08 01 23.858 +25 56 02.23 X F52
2024-12-25 10:25:23 C 08 01 20.934 +25 56 44.32 X F52
2024-12-25 10:44:51 C 08 01 18.030 +25 57 25.92 X F52
2024-12-25 10:52:39 C 08 01 16.884 +25 57 42.55 V T05
2024-12-25 10:55:54 C 08 01 16.392 +25 57 49.72 V T05
2024-12-25 11:03:17 C 08 01 15.293 +25 58 05.38 V T05
2024-12-25 11:11:51 C 08 01 14.006 +25 58 23.52 V T05
2024-12-26 10:29:28 C 07 57 51.902 +26 47 12.08 V T05
2024-12-26 10:34:03 C 07 57 51.192 +26 47 21.73 V T05
2024-12-26 10:38:01 C 07 57 50.609 +26 47 29.94 V T05
2024-12-26 11:23:26 C 07 57 43.812 +26 49 03.97 V T05
2024-12-26 20:13:03 C 07 56 26.22 +27 07 05.2 V D29
2024-12-26 20:14:19 C 07 56 26.02 +27 07 07.8 V D29
2024-12-26 20:33:22 C 07 56 23.19 +27 07 46.3 V D29
2024-12-26 20:34:38 C 07 56 23.00 +27 07 48.8 V D29
2024-12-26 20:53:41 C 07 56 20.19 +27 08 27.3 V D29
2024-12-26 20:54:58 C 07 56 20.00 +27 08 29.8 V D29