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
2025-01-03 07:37:46 C 07 30 47.711 +32 26 42.18 V 703
2025-01-04 11:51:19 C 07 26 54.727 +33 08 28.00 V T08
2025-01-04 11:55:56 C 07 26 54.062 +33 08 35.02 V T08
2025-01-04 12:04:44 C 07 26 52.848 +33 08 47.69 V T08
2025-01-04 12:56:51 C 07 26 45.514 +33 10 01.70 V T08
2025-01-05 05:00:59 B 07 24 35.72 +33 32 39.2 Z W45
2025-01-05 05:16:59 B 07 24 33.50 +33 33 01.4 Z W45
2025-01-05 05:32:58 B 07 24 31.29 +33 33 23.7 Z W45
2025-01-05 07:28:24 C 07 24 15.901 +33 36 04.39 V 703
2025-01-05 07:31:50 C 07 24 15.397 +33 36 09.25 V 703
2025-01-05 07:35:13 C 07 24 14.879 +33 36 13.86 V 703
2025-01-05 07:38:36 C 07 24 14.450 +33 36 18.54 V 703
2025-01-05 10:41:50 C 07 23 49.838 +33 40 33.92 V T08
2025-01-05 10:46:06 C 07 23 49.265 +33 40 39.65 V T08
2025-01-05 10:55:32 C 07 23 47.942 +33 40 52.50 V T08
2025-01-05 11:43:15 C 07 23 41.338 +33 41 57.88 V T08
2025-01-05 11:45:54 C 07 23 40.970 +33 42 01.26 V T08
2025-01-05 11:55:59 C 07 23 39.576 +33 42 14.98 V T08
2025-01-05 12:46:56 C 07 23 32.539 +33 43 24.20 V T08
2025-01-05 12:54:19 C 07 23 31.498 +33 43 34.03 V T08
2025-01-05 14:07:02 C 07 23 22.91 +33 45 09.9 V D29
2025-01-05 14:27:23 C 07 23 20.11 +33 45 38.0 V D29
2025-01-06 09:42:22 C 07 20 46.649 +34 11 23.06 V T05
2025-01-06 09:44:58 C 07 20 46.294 +34 11 26.41 V T05
2025-01-06 09:49:32 C 07 20 45.670 +34 11 32.28 V T05
2025-01-06 09:57:22 C 07 20 44.590 +34 11 42.61 V T05
2025-01-06 20:32:21 C 07 19 21.490 +34 25 20.42 W M01
2025-01-06 20:34:51 C 07 19 21.173 +34 25 24.39 W M01
2025-01-06 20:37:21 C 07 19 20.856 +34 25 28.37 W M01
2025-01-07 03:54:28 C 07 18 24.340 +34 34 39.04 V 703
2025-01-07 04:00:27 C 07 18 23.569 +34 34 46.63 V 703
2025-01-07 04:03:27 C 07 18 23.141 +34 34 50.74 V 703
2025-01-07 09:06:29 C 07 17 43.626 +34 41 13.66 X F52
2025-01-07 09:23:06 C 07 17 41.412 +34 41 34.48 X F52
2025-01-07 09:39:44 C 07 17 39.190 +34 41 55.32 X F52
2025-01-07 09:56:17 C 07 17 36.979 +34 42 15.98 X F52
2025-01-07 09:57:16 C 07 17 36.833 +34 42 17.35 V T05
2025-01-07 10:02:30 C 07 17 36.173 +34 42 23.69 V T05
2025-01-07 10:10:21 C 07 17 35.105 +34 42 33.23 V T05
2025-01-07 11:01:12 C 07 17 28.308 +34 43 36.55 V T05
2025-01-07 13:24:54 C 07 17 10.55 +34 46 29.5 V D29
2025-01-07 13:26:10 C 07 17 10.39 +34 46 31.1 V D29
2025-01-07 13:45:16 C 07 17 07.85 +34 46 54.9 V D29
2025-01-07 13:46:32 C 07 17 07.67 +34 46 56.6 V D29
2025-01-07 14:05:37 C 07 17 05.17 +34 47 20.3 V D29
2025-01-07 14:06:54 C 07 17 05.01 +34 47 21.6 V D29
2025-01-08 07:42:56 C 07 14 50.501 +35 08 37.96 X F51
2025-01-08 08:00:04 C 07 14 48.273 +35 08 58.59 X F51
2025-01-08 08:17:16 C 07 14 46.035 +35 09 19.22 X F51
2025-01-08 08:34:21 C 07 14 43.808 +35 09 39.66 X F51