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
2022-01-07 02:23:53 s 1 -36959.154 0 +389265.91 2610.0 C57
2022-01-07 02:43:53 S 06 53 44.962 +32 37 37.09 V C57
2022-01-07 02:43:53 s 1 -37672.629 0 +389098.01 8700.0 C57
2022-01-07 02:53:53 S 06 53 43.666 +32 37 56.24 V C57
2022-01-07 02:53:53 s 1 -38029.251 0 +389012.68 5780.0 C57
2022-01-07 03:03:53 S 06 53 41.950 +32 38 06.72 V C57
2022-01-07 03:03:53 s 1 -38385.796 0 +388926.44 2230.0 C57
2022-01-07 03:13:53 S 06 53 41.033 +32 38 23.50 V C57
2022-01-07 03:13:53 s 1 -38742.263 0 +388839.27 8030.0 C57
2022-01-07 03:33:53 S 06 53 38.306 +32 38 43.48 V C57
2022-01-07 03:33:53 s 1 -39454.957 0 +388662.18 7690.0 C57
2022-01-07 04:03:53 S 06 53 34.226 +32 39 25.78 V C57
2022-01-07 04:03:53 s 1 -40523.387 0 +388389.65 7240.0 C57
2022-01-07 04:13:53 S 06 53 32.683 +32 39 43.24 V C57
2022-01-07 04:13:53 s 1 -40879.364 0 +388296.96 9100.0 C57
2022-01-07 04:33:53 S 06 53 30.209 +32 40 09.37 V C57
2022-01-07 04:33:53 s 1 -41591.063 0 +388108.84 780.0 C57
2022-01-07 04:53:53 S 06 53 27.775 +32 40 29.28 V C57
2022-01-07 04:53:53 s 1 -42302.416 0 +387917.03 9750.0 C57
2022-01-07 05:03:53 S 06 53 26.076 +32 40 47.60 V C57
2022-01-07 05:03:53 s 1 -42657.960 0 +387819.75 8200.0 C57
2022-01-07 05:06:58 C 06 53 17.17 +32 33 38.1 V 703
2022-01-07 05:14:48 C 06 53 16.13 +32 33 48.7 V 703
2022-01-07 05:22:39 C 06 53 15.12 +32 33 59.5 V 703
2022-01-08 10:37:54 C 06 49 37.40 +33 12 32.9 V T05
2022-01-08 10:42:32 C 06 49 36.84 +33 12 38.7 V T05
2022-01-08 10:54:25 C 06 49 35.34 +33 12 53.5 V T05
2022-01-08 19:50:39 C 06 48 31.58 +33 23 59.6 V 130
2022-01-08 19:54:58 C 06 48 31.06 +33 24 05.2 V 130
2022-01-08 19:59:15 C 06 48 30.51 +33 24 10.5 V 130
2022-01-10 05:26:47 C 06 44 35.72 +34 04 12.6 V G96
2022-01-10 05:34:22 C 06 44 34.82 +34 04 21.3 V G96
2022-01-10 05:41:58 C 06 44 33.92 +34 04 30.0 V G96
2022-01-10 05:49:31 C 06 44 33.02 +34 04 39.0 V G96
2022-01-10 10:19:50 C 06 44 01.97 +34 09 50.7 V T08
2022-01-10 10:23:52 C 06 44 01.45 +34 09 54.9 V T08
2022-01-10 11:05:42 C 06 43 56.55 +34 10 41.8 V T08
2022-01-10 11:46:44 C 06 43 51.73 +34 11 27.2 V T08
2022-01-12 21:06:51 C 06 37 41.31 +35 11 43.6 X K87
2022-01-12 21:08:58 C 06 37 41.07 +35 11 45.2 X K87
2022-01-12 21:11:05 C 06 37 40.87 +35 11 47.8 X K87
2022-01-22 07:08:55 C 06 18 51.22 +37 59 38.3 V G96
2022-01-22 07:16:27 C 06 18 50.73 +37 59 42.3 V G96
2022-01-22 07:24:01 C 06 18 50.23 +37 59 46.4 V G96
2022-01-22 07:31:35 C 06 18 49.71 +37 59 50.5 V G96
2022-01-23 09:42:25 C 06 17 12.49 +38 13 37.7 V T08
2022-01-23 09:47:44 C 06 17 11.99 +38 13 38.0 V T08
2022-01-23 09:55:42 C 06 17 11.44 +38 13 42.6 V T08
2022-01-23 10:14:57 C 06 17 10.19 +38 13 51.9 V T08
2022-01-30 07:51:49 C 06 09 19.66 +39 21 00.5 V T05