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
2022-01-04 06:23:53 S 07 03 13.678 +30 57 00.36 V C57
2022-01-04 06:23:53 s 1 +104926.22 2 +345727.85 1150.0 C57
2022-01-04 06:33:53 S 07 03 12.305 +30 57 15.77 V C57
2022-01-04 06:33:53 s 1 +104613.79 0 +346030.98 7030.0 C57
2022-01-04 06:43:53 S 07 03 10.889 +30 57 26.96 V C57
2022-01-04 06:43:53 s 1 +104301.02 9 +346333.07 1770.0 C57
2022-01-04 06:49:36 C 07 02 32.07 +30 49 49.0 V G96
2022-01-04 06:53:53 S 07 03 09.737 +30 57 43.85 V C57
2022-01-04 06:53:53 s 1 +103987.94 4 +346634.13 5400.0 C57
2022-01-04 06:57:08 C 07 02 31.00 +30 50 01.1 V G96
2022-01-04 07:03:53 S 07 03 08.119 +30 58 04.66 V C57
2022-01-04 07:03:53 s 1 +103674.54 2 +346934.19 7950.0 C57
2022-01-04 07:04:36 C 07 02 29.95 +30 50 13.0 V G96
2022-01-04 07:12:05 C 07 02 28.89 +30 50 25.0 V G96
2022-01-04 07:13:53 S 07 03 06.619 +30 58 16.97 V C57
2022-01-04 07:13:53 s 1 +103360.81 5 +347233.20 9380.0 C57
2022-01-04 07:23:53 S 07 03 05.131 +30 58 34.68 V C57
2022-01-04 07:23:53 s 1 +103046.76 7 +347531.19 9720.0 C57
2022-01-04 07:33:53 S 07 03 03.888 +30 58 51.24 V C57
2022-01-04 07:33:53 s 1 +102732.40 7 +347828.17 8990.0 C57
2022-01-04 07:43:53 S 07 03 02.059 +30 59 05.39 V C57
2022-01-04 07:43:53 s 1 +102417.72 6 +348124.12 7160.0 C57
2022-01-04 07:53:53 S 07 03 00.682 +30 59 23.21 V C57
2022-01-04 07:53:53 s 1 +102102.72 9 +348419.04 4260.0 C57
2022-01-04 08:13:53 S 07 02 58.126 +30 59 56.04 V C57
2022-01-04 08:13:53 s 1 +101471.80 1 +349005.84 5270.0 C57
2022-01-04 08:23:53 S 07 02 56.580 +31 00 09.43 V C57
2022-01-04 08:23:53 s 1 +101155.86 7 +349297.69 9180.0 C57
2022-01-04 08:33:53 S 07 02 55.361 +31 00 27.83 V C57
2022-01-04 08:33:53 s 1 +100839.62 8 +349588.55 2050.0 C57
2022-01-04 08:43:53 S 07 02 53.731 +31 00 42.19 V C57
2022-01-04 08:43:53 s 1 +100523.07 7 +349878.38 3870.0 C57
2022-01-04 09:03:53 S 07 02 50.738 +31 01 16.97 V C57
2022-01-04 09:03:53 s 1 +99889.057 0 +350454.99 4390.0 C57
2022-01-04 09:13:53 S 07 02 49.774 +31 01 28.96 V C57
2022-01-04 09:13:53 s 1 +99571.589 0 +350741.76 3100.0 C57
2022-01-04 09:23:53 S 07 02 48.098 +31 01 44.76 V C57
2022-01-04 09:23:53 s 1 +99253.816 0 +351027.51 790.0 C57
2022-01-04 09:33:53 S 07 02 46.656 +31 02 03.88 V C57
2022-01-04 09:33:53 s 1 +98935.748 0 +351312.27 7470.0 C57
2022-01-04 09:43:53 S 07 02 45.713 +31 02 23.93 V C57
2022-01-04 09:43:53 s 1 +98617.374 0 +351596.00 3130.0 C57
2022-01-04 09:53:53 S 07 02 44.227 +31 02 36.74 V C57
2022-01-04 09:53:53 s 1 +98298.701 0 +351878.71 7780.0 C57
2022-01-04 10:03:53 S 07 02 42.372 +31 02 51.94 V C57
2022-01-04 10:03:53 s 1 +97979.735 0 +352160.42 1450.0 C57
2022-01-04 10:13:53 S 07 02 41.100 +31 03 07.60 V C57
2022-01-04 10:13:53 s 1 +97660.469 0 +352441.11 4110.0 C57
2022-01-04 10:23:53 S 07 02 39.319 +31 03 25.16 V C57
2022-01-04 10:23:53 s 1 +97340.906 0 +352720.78 5770.0 C57