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
2021-12-22 12:23:54 S 07 50 17.738 +19 51 59.33 V C57
2021-12-22 12:23:54 s 1 +50593.291 0 +378524.05 3550.0 C57
2021-12-22 12:33:54 S 07 50 16.229 +19 52 26.72 V C57
2021-12-22 12:33:54 s 1 +50245.837 0 +378659.60 6550.0 C57
2021-12-22 12:43:54 S 07 50 14.508 +19 52 55.02 V C57
2021-12-22 12:43:54 s 1 +49898.247 0 +378794.18 9220.0 C57
2021-12-22 12:53:54 S 07 50 12.994 +19 53 19.90 V C57
2021-12-22 12:53:54 s 1 +49550.523 0 +378927.77 1570.0 C57
2021-12-22 13:03:53 S 07 50 11.110 +19 53 49.96 V C57
2021-12-22 13:03:53 s 1 +49202.665 0 +379060.39 3610.0 C57
2021-12-22 13:13:54 S 07 50 09.569 +19 54 13.50 V C57
2021-12-22 13:13:54 s 1 +48854.675 0 +379192.03 5330.0 C57
2021-12-22 13:23:54 S 07 50 07.718 +19 54 41.44 V C57
2021-12-22 13:23:54 s 1 +48506.553 0 +379322.70 6740.0 C57
2021-12-22 13:33:54 S 07 50 06.002 +19 55 07.93 V C57
2021-12-22 13:33:54 s 1 +48158.300 0 +379452.39 7840.0 C57
2021-12-22 13:43:54 S 07 50 04.884 +19 55 37.02 V C57
2021-12-22 13:43:54 s 1 +47809.918 0 +379581.10 8640.0 C57
2021-12-22 13:53:54 S 07 50 02.774 +19 56 01.46 V C57
2021-12-22 13:53:54 s 1 +47461.407 0 +379708.84 9150.0 C57
2021-12-22 14:03:54 S 07 50 00.974 +19 56 32.96 V C57
2021-12-22 14:03:54 s 1 +47112.769 0 +379835.61 9360.0 C57
2021-12-22 14:13:54 S 07 49 59.294 +19 56 58.67 V C57
2021-12-22 14:13:54 s 1 +46764.005 0 +379961.39 9280.0 C57
2021-12-22 14:23:54 S 07 49 57.401 +19 57 25.92 V C57
2021-12-22 14:23:54 s 1 +46415.114 0 +380086.21 8920.0 C57
2021-12-22 14:33:53 S 07 49 55.915 +19 57 52.85 V C57
2021-12-22 14:33:53 s 1 +46066.099 0 +380210.05 8280.0 C57
2021-12-22 14:43:54 S 07 49 54.142 +19 58 18.73 V C57
2021-12-22 14:43:54 s 1 +45716.961 0 +380332.92 7360.0 C57
2021-12-22 14:53:54 S 07 49 52.577 +19 58 48.14 V C57
2021-12-22 14:53:54 s 1 +45367.700 0 +380454.81 6160.0 C57
2021-12-22 15:03:54 S 07 49 50.914 +19 59 13.85 V C57
2021-12-22 15:03:54 s 1 +45018.317 0 +380575.73 4700.0 C57
2021-12-22 15:13:54 S 07 49 48.982 +19 59 45.38 V C57
2021-12-22 15:13:54 s 1 +44668.813 0 +380695.67 2980.0 C57
2021-12-22 15:23:54 S 07 49 47.575 +20 00 03.74 V C57
2021-12-22 15:23:54 s 1 +44319.190 0 +380814.65 990.0 C57
2021-12-22 15:43:54 S 07 49 44.035 +20 01 04.15 V C57
2021-12-22 15:43:54 s 1 +43619.589 0 +381049.68 6250.0 C57
2021-12-22 15:53:54 S 07 49 42.367 +20 01 30.58 V C57
2021-12-22 15:53:54 s 1 +43269.612 0 +381165.73 3510.0 C57
2021-12-22 16:03:53 S 07 49 41.194 +20 01 55.24 V C57
2021-12-22 16:03:53 s 1 +42919.520 0 +381280.82 520.0 C57
2021-12-22 16:13:54 S 07 49 38.902 +20 02 23.14 V C57
2021-12-22 16:13:54 s 1 +42569.313 0 +381394.93 7300.0 C57
2021-12-22 16:23:54 S 07 49 37.234 +20 02 53.66 V C57
2021-12-22 16:23:54 s 1 +42218.992 0 +381508.07 3830.0 C57
2021-12-22 16:33:54 S 07 49 35.482 +20 03 18.29 V C57
2021-12-22 16:33:54 s 1 +41868.559 0 +381620.24 140.0 C57