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
2015-07-03 07:07:07 C 13 50 44.026 +21 43 07.64 L F51
2015-07-03 07:24:19 C 13 50 43.537 +21 42 49.49 L F51
2015-07-03 07:41:30 C 13 50 43.042 +21 42 31.24 L F51
2015-11-30 10:07:47 S 09 01 57.814 -43 02 54.13 L C51
2015-11-30 11:42:13 S 09 01 26.275 -42 56 40.56 L C51
2015-11-30 13:16:39 S 09 00 54.701 -42 50 25.30 L C51
2015-12-13 11:29:23 C 07 27 19.18 -15 22 09.5 L T05
2015-12-13 12:16:00 C 07 27 06.48 -15 17 25.4 L T05
2015-12-13 12:26:34 C 07 27 03.64 -15 16 20.9 L T05
2015-12-13 13:01:32 C 07 26 54.13 -15 12 47.0 L T05
2015-12-17 07:29:20 C 07 04 29.50 -06 10 25.4 u H21
2015-12-17 07:31:20 C 07 04 29.02 -06 10 13.8 u H21
2015-12-17 07:33:21 C 07 04 28.53 -06 10 02.1 u H21
2015-12-17 07:35:21 C 07 04 28.05 -06 09 50.4 u H21
2015-12-17 07:37:22 C 07 04 27.57 -06 09 38.7 u H21
2015-12-17 07:39:22 C 07 04 27.09 -06 09 27.2 u H21
2015-12-17 07:41:22 C 07 04 26.60 -06 09 15.4 u H21
2015-12-19 07:43:43 C 06 53 36.45 -01 37 42.7 u H21
2015-12-19 07:45:48 C 06 53 35.98 -01 37 31.3 u H21
2015-12-19 07:47:52 C 06 53 35.51 -01 37 20.0 u H21
2015-12-19 07:49:56 C 06 53 35.05 -01 37 08.7 u H21
2015-12-19 07:52:01 C 06 53 34.59 -01 36 57.2 u H21
2015-12-19 07:54:05 C 06 53 34.12 -01 36 45.7 u H21
2015-12-19 07:56:09 C 06 53 33.65 -01 36 34.3 u H21
2015-12-19 07:58:14 C 06 53 33.17 -01 36 22.9 u H21
2015-12-19 08:00:18 C 06 53 32.71 -01 36 11.8 u H21
2015-12-19 08:02:22 C 06 53 32.25 -01 36 00.3 u H21
2015-12-19 08:04:26 C 06 53 31.79 -01 35 49.2 u H21
2015-12-19 08:06:31 C 06 53 31.34 -01 35 37.8 u H21
2015-12-19 08:08:35 C 06 53 30.87 -01 35 26.5 u H21
2015-12-19 08:11:29 C 06 53 30.22 -01 35 10.6 u H21
2015-12-20 07:52:46 C 06 48 26.71 +00 32 21.5 u H21
2015-12-20 07:54:51 C 06 48 26.27 +00 32 32.4 u H21
2015-12-20 07:56:55 C 06 48 25.82 +00 32 43.2 u H21
2015-12-20 07:58:59 C 06 48 25.36 +00 32 54.4 u H21
2015-12-20 08:01:03 C 06 48 24.90 +00 33 05.1 u H21
2015-12-20 08:03:08 C 06 48 24.45 +00 33 16.1 u H21
2015-12-20 08:05:12 C 06 48 24.00 +00 33 27.3 u H21
2015-12-20 08:07:16 C 06 48 23.55 +00 33 38.2 u H21
2015-12-20 08:09:21 C 06 48 23.08 +00 33 49.0 u H21
2015-12-20 08:11:25 C 06 48 22.63 +00 34 00.0 u H21
2015-12-20 08:13:29 C 06 48 22.19 +00 34 11.2 u H21
2015-12-20 08:15:33 C 06 48 21.72 +00 34 22.0 u H21
2015-12-20 08:18:52 C 06 48 21.00 +00 34 39.6 u H21
2015-12-24 07:00:28 C 06 29 58.46 +08 14 50.7 u H21
2015-12-24 07:02:26 C 06 29 58.10 +08 14 59.1 u H21
2015-12-24 07:04:23 C 06 29 57.75 +08 15 08.2 u H21
2015-12-24 07:06:21 C 06 29 57.37 +08 15 16.6 u H21
2015-12-24 07:08:18 C 06 29 57.03 +08 15 25.2 u H21
2015-12-24 07:10:15 C 06 29 56.64 +08 15 33.9 u H21