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
2022-01-30 07:56:28 C 06 09 19.46 +39 21 02.1 V T05
2022-01-30 07:57:07 C 06 09 19.44 +39 21 02.3 V T05
2022-01-30 08:54:11 C 06 09 17.25 +39 21 20.8 V T05
2022-01-30 08:54:50 C 06 09 17.19 +39 21 19.8 V T05
2022-01-31 05:37:05 C 06 08 35.13 +39 27 42.2 V G96
2022-01-31 05:48:53 C 06 08 34.70 +39 27 45.9 V G96
2022-01-31 05:57:09 C 06 08 34.43 +39 27 48.4 V G96
2022-01-31 06:05:21 C 06 08 34.15 +39 27 50.5 V G96
2024-04-08 11:33:34 C 16 23 01.346 +23 48 09.41 X F52
2024-04-08 11:47:51 C 16 23 01.105 +23 48 18.55 X F52
2024-04-08 12:02:05 C 16 23 00.852 +23 48 27.36 X F52
2024-04-16 09:04:06 C 16 18 37.728 +25 47 17.27 V G96
2024-04-16 09:11:35 C 16 18 37.498 +25 47 21.66 V G96
2024-04-16 09:20:24 C 16 18 37.231 +25 47 27.17 V G96
2024-04-16 09:27:55 C 16 18 37.004 +25 47 31.67 V G96
2024-04-30 09:32:51 C 16 03 26.456 +29 03 43.31 V G96
2024-04-30 09:40:25 C 16 03 25.978 +29 03 47.41 V G96
2024-04-30 09:48:00 C 16 03 25.499 +29 03 51.16 V G96
2024-04-30 09:55:34 C 16 03 25.034 +29 03 55.04 V G96
2024-05-13 08:22:52 C 15 40 40.724 +31 09 33.30 V G96
2024-05-13 08:30:23 C 15 40 40.066 +31 09 35.17 V G96
2024-05-13 08:37:53 C 15 40 39.421 +31 09 37.04 V G96
2024-05-13 08:45:24 C 15 40 38.752 +31 09 39.20 V G96
2024-05-26 07:09:58 C 15 11 39.145 +31 32 34.19 V G96
2024-05-26 07:17:26 C 15 11 38.382 +31 32 33.07 V G96
2024-05-26 07:24:55 C 15 11 37.626 +31 32 32.21 V G96
2024-05-26 07:32:23 C 15 11 36.866 +31 32 31.24 V G96
2024-05-26 12:24:08 C 15 11 07.770 +31 31 51.61 X F51
2024-05-26 12:38:07 C 15 11 06.368 +31 31 49.52 X F51
2024-05-26 12:52:10 C 15 11 04.942 +31 31 47.28 X F51
2024-05-26 13:10:38 C 15 11 03.076 +31 31 44.62 X F51
2024-05-29 07:48:48 C 15 04 27.300 +31 19 03.93 X F52
2024-05-29 08:24:45 C 15 04 23.629 +31 18 55.48 X F52
2024-05-29 08:42:45 C 15 04 21.786 +31 18 51.21 X F52
2024-05-31 09:41:16 C 14 59 29.840 +31 05 17.38 X F52
2024-05-31 09:57:17 C 14 59 28.206 +31 05 12.31 X F52
2024-05-31 10:13:18 C 14 59 26.573 +31 05 07.17 X F52
2024-05-31 10:29:18 C 14 59 24.947 +31 05 02.01 X F52
2024-06-12 09:19:41 C 14 32 10.239 +28 34 04.48 X F51
2024-06-12 09:35:26 C 14 32 08.808 +28 33 52.73 X F51
2024-06-12 09:51:11 C 14 32 07.371 +28 33 41.02 X F51
2024-06-15 05:17:11 C 14 26 18.964 +27 41 12.30 V G96
2024-06-15 05:27:54 C 14 26 18.028 +27 41 03.23 V G96
2024-06-15 05:36:04 C 14 26 17.329 +27 40 56.50 V G96
2024-06-15 05:44:15 C 14 26 16.717 +27 40 49.33 V G96
2024-06-26 10:05:25 C 14 06 28.349 +23 16 44.91 X F52
2024-06-26 10:19:54 C 14 06 27.406 +23 16 28.22 X F51
2024-06-26 10:22:22 C 14 06 27.258 +23 16 25.49 X F52
2024-06-26 10:35:46 C 14 06 26.397 +23 16 10.01 X F51
2024-06-26 10:51:37 C 14 06 25.372 +23 15 51.93 X F51