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 16:43:54 S 07 49 33.816 +20 03 45.47 V C57
2021-12-22 16:43:54 s 1 +41518.013 0 +381731.44 6210.0 C57
2021-12-22 16:53:54 S 07 49 32.318 +20 04 16.32 V C57
2021-12-22 16:53:54 s 1 +41167.357 0 +381841.67 2070.0 C57
2021-12-22 17:03:54 S 07 49 30.662 +20 04 40.04 V C57
2021-12-22 17:03:54 s 1 +40816.590 0 +381950.93 7700.0 C57
2021-12-22 17:13:53 S 07 49 29.026 +20 05 07.84 V C57
2021-12-22 17:13:53 s 1 +40465.715 0 +382059.22 3120.0 C57
2021-12-22 17:23:54 S 07 49 27.242 +20 05 34.51 V C57
2021-12-22 17:23:54 s 1 +40114.732 0 +382166.53 8320.0 C57
2021-12-22 17:33:53 S 07 49 25.538 +20 06 02.77 V C57
2021-12-22 17:33:53 s 1 +39763.641 0 +382272.88 3320.0 C57
2021-12-22 17:43:54 S 07 49 23.750 +20 06 30.60 V C57
2021-12-22 17:43:54 s 1 +39412.445 0 +382378.26 8120.0 C57
2021-12-22 17:53:54 S 07 49 21.859 +20 06 56.02 V C57
2021-12-22 17:53:54 s 1 +39061.143 0 +382482.67 2710.0 C57
2021-12-22 18:13:54 S 07 49 18.672 +20 07 48.04 V C57
2021-12-22 18:13:54 s 1 +38358.228 0 +382688.59 1320.0 C57
2021-12-22 18:23:54 S 07 49 16.812 +20 08 18.20 V C57
2021-12-22 18:23:54 s 1 +38006.617 0 +382790.09 5340.0 C57
2021-12-22 18:33:54 S 07 49 15.166 +20 08 46.39 V C57
2021-12-22 18:33:54 s 1 +37654.904 0 +382890.63 9170.0 C57
2021-12-22 18:43:53 S 07 49 13.574 +20 09 11.59 V C57
2021-12-22 18:43:53 s 1 +37303.092 0 +382990.19 2830.0 C57
2021-12-22 18:53:54 S 07 49 11.933 +20 09 36.86 V C57
2021-12-22 18:53:54 s 1 +36951.179 0 +383088.79 6310.0 C57
2021-12-22 19:03:53 S 07 49 10.342 +20 10 03.79 V C57
2021-12-22 19:03:53 s 1 +36599.168 0 +383186.43 9620.0 C57
2021-12-22 19:13:54 S 07 49 08.652 +20 10 29.17 V C57
2021-12-22 19:13:54 s 1 +36247.060 0 +383283.09 2760.0 C57
2021-12-22 19:23:54 S 07 49 06.883 +20 10 59.81 V C57
2021-12-22 19:23:54 s 1 +35894.856 0 +383378.79 5740.0 C57
2021-12-22 19:33:54 S 07 49 05.052 +20 11 27.10 V C57
2021-12-22 19:33:54 s 1 +35542.555 0 +383473.52 8560.0 C57
2021-12-22 19:43:54 S 07 49 03.422 +20 11 53.81 V C57
2021-12-22 19:43:54 s 1 +35190.160 0 +383567.29 1220.0 C57
2021-12-22 19:53:54 S 07 49 01.699 +20 12 19.84 V C57
2021-12-22 19:53:54 s 1 +34837.672 0 +383660.09 3730.0 C57
2021-12-22 20:03:54 S 07 49 00.082 +20 12 47.27 V C57
2021-12-22 20:03:54 s 1 +34485.091 0 +383751.92 6090.0 C57
2021-12-22 20:13:53 S 07 48 58.356 +20 13 15.10 V C57
2021-12-22 20:13:53 s 1 +34132.418 0 +383842.78 8310.0 C57
2021-12-22 20:23:54 S 07 48 56.383 +20 13 43.32 V C57
2021-12-22 20:23:54 s 1 +33779.654 0 +383932.68 390.0 C57
2021-12-22 20:33:53 S 07 48 54.802 +20 14 10.75 V C57
2021-12-22 20:33:53 s 1 +33426.800 0 +384021.62 2340.0 C57
2021-12-22 20:43:54 S 07 48 53.138 +20 14 41.24 V C57
2021-12-22 20:43:54 s 1 +33073.857 0 +384109.59 4150.0 C57
2021-12-22 20:53:54 S 07 48 51.619 +20 15 02.88 V C57
2021-12-22 20:53:54 s 1 +32720.827 0 +384196.59 5830.0 C57