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
2021-12-25 10:03:53 s 1 -95118.103 0 +351208.24 5810.0 C57
2021-12-25 10:13:53 S 07 38 24.396 +22 52 52.21 V C57
2021-12-25 10:13:53 s 1 -95439.794 0 +350938.29 8540.0 C57
2021-12-25 10:33:53 S 07 38 21.418 +22 53 38.62 V C57
2021-12-25 10:33:53 s 1 -96082.338 0 +350395.36 9600.0 C57
2021-12-25 10:43:53 S 07 38 18.706 +22 54 16.06 V C57
2021-12-25 10:43:53 s 1 -96403.188 0 +350122.36 7930.0 C57
2021-12-25 11:13:53 S 07 38 14.472 +22 55 21.94 V C57
2021-12-25 11:13:53 s 1 -97364.034 0 +349297.26 4040.0 C57
2021-12-25 11:23:53 S 07 38 12.583 +22 55 42.17 V C57
2021-12-25 11:23:53 s 1 -97683.744 0 +349020.18 6430.0 C57
2021-12-25 11:33:53 S 07 38 10.841 +22 56 11.29 V C57
2021-12-25 11:33:53 s 1 -98003.165 0 +348742.08 7320.0 C57
2021-12-25 11:43:53 S 07 38 09.295 +22 56 33.50 V C57
2021-12-25 11:43:53 s 1 -98322.297 0 +348462.96 6710.0 C57
2021-12-25 11:53:53 S 07 38 07.646 +22 56 57.05 V C57
2021-12-25 11:53:53 s 1 -98641.138 0 +348182.82 4580.0 C57
2021-12-25 12:03:53 S 07 38 05.614 +22 57 25.99 V C57
2021-12-25 12:03:53 s 1 -98959.687 0 +347901.65 940.0 C57
2021-12-25 12:13:53 S 07 38 04.015 +22 57 47.09 V C57
2021-12-25 12:13:53 s 1 -99277.942 0 +347619.47 5770.0 C57
2021-12-25 12:23:53 S 07 38 02.364 +22 58 08.98 V C57
2021-12-25 12:23:53 s 1 -99595.902 0 +347336.25 9080.0 C57
2021-12-25 12:33:53 S 07 38 00.703 +22 58 32.45 V C57
2021-12-25 12:33:53 s 1 -99913.566 0 +347052.01 850.0 C57
2021-12-25 12:43:53 S 07 37 59.179 +22 58 55.45 V C57
2021-12-25 12:43:53 s 1 -100230.93 2 +346766.75 1080.0 C57
2021-12-25 12:53:53 S 07 37 57.290 +22 59 25.22 V C57
2021-12-25 12:53:53 s 1 -100547.99 9 +346480.46 9760.0 C57
2021-12-25 13:03:53 S 07 37 55.474 +22 59 48.62 V C57
2021-12-25 13:03:53 s 1 -100864.76 6 +346193.15 6890.0 C57
2021-12-25 13:13:53 S 07 37 53.743 +23 00 11.92 V C57
2021-12-25 13:13:53 s 1 -101181.23 0 +345904.81 2450.0 C57
2021-12-25 13:23:53 S 07 37 52.190 +23 00 35.82 V C57
2021-12-25 13:23:53 s 1 -101497.39 2 +345615.44 6460.0 C57
2021-12-25 13:53:53 S 07 37 46.831 +23 01 54.48 V C57
2021-12-25 13:53:53 s 1 -102444.04 5 +344741.16 9020.0 C57
2021-12-25 14:03:53 S 07 37 45.348 +23 02 11.98 V C57
2021-12-25 14:03:53 s 1 -102758.98 1 +344447.68 6700.0 C57
2021-12-25 14:13:53 S 07 37 43.572 +23 02 40.34 V C57
2021-12-25 14:13:53 s 1 -103073.60 6 +344153.17 2790.0 C57
2021-12-25 14:23:53 S 07 37 42.089 +23 03 02.27 V C57
2021-12-25 14:23:53 s 1 -103387.92 1 +343857.62 7270.0 C57
2021-12-25 14:33:53 S 07 37 40.193 +23 03 27.22 V C57
2021-12-25 14:33:53 s 1 -103701.92 2 +343561.05 150.0 C57
2021-12-25 14:43:53 S 07 37 38.635 +23 03 54.07 V C57
2021-12-25 14:43:53 s 1 -104015.60 9 +343263.44 1410.0 C57
2021-12-25 14:53:53 S 07 37 36.922 +23 04 13.30 V C57
2021-12-25 14:53:53 s 1 -104328.98 1 +342964.80 1050.0 C57
2021-12-25 15:03:53 S 07 37 35.242 +23 04 39.58 V C57