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
2025-01-08 14:29:12 C 07 13 58.97 +35 16 33.3 V D29
2025-01-08 14:49:34 C 07 13 56.33 +35 16 57.2 V D29
2025-01-16 11:54:01 C 06 52 34.927 +38 14 10.64 V T08
2025-01-16 12:05:44 C 06 52 33.638 +38 14 19.21 V T08
2025-01-16 12:09:45 C 06 52 33.216 +38 14 22.81 V T08
2025-01-16 12:20:50 C 06 52 32.129 +38 14 30.66 V T08
2025-01-16 12:22:09 C 06 52 32.006 +38 14 31.49 V T08
2025-01-16 13:03:40 C 06 52 27.756 +38 15 01.08 V T08
2025-01-18 19:14:34 C 06 47 19.60 +38 51 45.9 V D29
2025-01-18 19:37:29 C 06 47 17.50 +38 51 59.8 V D29
2025-01-19 10:05:15 C 06 46 00.509 +39 01 01.70 V T05
2025-01-19 10:10:30 C 06 45 59.945 +39 01 04.80 V T05
2025-01-19 10:11:09 C 06 45 59.945 +39 01 05.09 V T05
2025-01-19 10:35:03 C 06 45 57.758 +39 01 19.52 V T05
2025-01-20 09:40:21 C 06 43 58.190 +39 14 50.73 X F51
2025-01-20 10:10:17 C 06 43 55.546 +39 15 07.55 X F51
2025-01-20 10:27:10 C 06 43 54.054 +39 15 16.93 X F51
2025-01-20 13:24:30 C 06 43 39.68 +39 16 54.5 V D29
2025-01-20 13:46:09 C 06 43 37.93 +39 17 05.4 V D29
2025-01-20 14:07:47 C 06 43 35.92 +39 17 19.0 V D29
2025-01-20 14:15:47 C 06 43 35.21 +39 17 23.6 V D29
2025-01-20 14:34:52 C 06 43 33.55 +39 17 34.5 V D29
2025-01-20 14:53:58 C 06 43 31.86 +39 17 45.1 V D29
2025-01-21 05:56:13 C 06 42 17.345 +39 25 58.15 V G96
2025-01-21 06:03:48 C 06 42 16.693 +39 26 02.18 V G96
2025-01-21 06:11:18 C 06 42 16.060 +39 26 06.18 V G96
2025-01-21 06:18:48 C 06 42 15.415 +39 26 10.39 V G96
2025-01-21 09:13:13 C 06 42 01.282 +39 27 45.47 V T08
2025-01-21 09:17:19 C 06 42 00.953 +39 27 47.88 V T08
2025-01-21 09:25:27 C 06 42 00.238 +39 27 51.66 V T08
2025-01-21 09:49:26 C 06 41 58.226 +39 28 04.44 V T08
2025-01-22 06:19:51 C 06 40 20.809 +39 38 35.16 V 703
2025-01-22 06:33:12 C 06 40 19.751 +39 38 41.17 V 703
2025-01-22 08:39:33 C 06 40 09.512 +39 39 42.55 V V00
2025-01-22 08:49:35 C 06 40 08.728 +39 39 47.38 V V00
2025-01-22 08:57:39 C 06 40 08.072 +39 39 51.23 V V00
2025-01-22 09:05:44 C 06 40 07.442 +39 39 55.08 V V00
2025-01-23 03:21:19 B 06 38 45.02 +39 48 44.2 Z W45
2025-01-23 03:42:41 B 06 38 43.28 +39 48 54.0 Z W45
2025-01-23 04:04:03 B 06 38 41.61 +39 49 03.9 Z W45
2025-01-24 06:22:18 C 06 36 47.444 +40 00 54.72 V 703
2025-01-24 06:26:42 C 06 36 47.210 +40 00 56.92 V 703
2025-01-24 06:31:00 C 06 36 46.908 +40 00 59.00 V 703
2025-01-24 06:34:55 C 06 36 46.642 +40 00 59.76 V 703
2025-02-03 21:53:02 B 06 23 38.120 +41 16 37.36 Z Y89
2025-02-03 22:14:17 B 06 23 37.356 +41 16 41.40 Z Y89
2025-02-03 22:35:32 B 06 23 36.588 +41 16 45.82 Z Y89
2025-02-16 06:06:00 C 06 18 43.602 +41 48 00.68 X F52
2025-02-16 06:21:40 C 06 18 43.534 +41 48 01.38 X F52
2025-02-16 06:37:17 C 06 18 43.492 +41 48 02.10 X F52