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
2022-01-05 05:23:53 S 06 59 59.038 +31 33 03.82 V C57
2022-01-05 05:23:53 s 1 +59285.465 0 +378110.08 1180.0 C57
2022-01-05 05:33:53 S 06 59 57.487 +31 33 14.51 V C57
2022-01-05 05:33:53 s 1 +58939.906 0 +378276.92 3040.0 C57
2022-01-05 05:43:53 S 06 59 55.514 +31 33 35.14 V C57
2022-01-05 05:43:53 s 1 +58594.182 0 +378442.80 4460.0 C57
2022-01-05 05:53:53 S 06 59 54.456 +31 33 48.06 V C57
2022-01-05 05:53:53 s 1 +58248.294 0 +378607.71 5470.0 C57
2022-01-05 06:23:53 S 06 59 50.345 +31 34 33.42 V C57
2022-01-05 06:23:53 s 1 +57209.673 0 +379096.75 6040.0 C57
2022-01-05 06:33:53 S 06 59 49.063 +31 34 41.34 V C57
2022-01-05 06:33:53 s 1 +56863.149 0 +379257.87 5420.0 C57
2022-01-05 06:53:53 S 06 59 46.274 +31 35 09.42 V C57
2022-01-05 06:53:53 s 1 +56169.627 0 +379577.21 2980.0 C57
2022-01-05 07:03:53 S 06 59 44.414 +31 35 40.96 V C57
2022-01-05 07:03:53 s 1 +55822.635 0 +379735.47 1180.0 C57
2022-01-05 07:13:53 S 06 59 43.404 +31 35 48.80 V C57
2022-01-05 07:13:53 s 1 +55475.486 0 +379892.76 8990.0 C57
2022-01-05 07:23:53 S 06 59 41.760 +31 36 04.07 V C57
2022-01-05 07:23:53 s 1 +55128.184 0 +380049.10 6420.0 C57
2022-01-05 07:33:53 S 06 59 40.591 +31 36 20.63 V C57
2022-01-05 07:33:53 s 1 +54780.732 0 +380204.50 3480.0 C57
2022-01-05 07:43:53 S 06 59 39.269 +31 36 28.51 V C57
2022-01-05 07:43:53 s 1 +54433.127 0 +380358.94 160.0 C57
2022-01-05 07:53:53 S 06 59 37.903 +31 36 52.42 V C57
2022-01-05 07:53:53 s 1 +54085.370 0 +380512.43 6480.0 C57
2022-01-05 08:03:53 S 06 59 35.918 +31 37 06.24 V C57
2022-01-05 08:03:53 s 1 +53737.467 0 +380664.98 2430.0 C57
2022-01-05 08:23:53 S 06 59 33.605 +31 37 36.98 V C57
2022-01-05 08:23:53 s 1 +53041.212 0 +380967.20 3260.0 C57
2022-01-05 08:33:53 S 06 59 32.338 +31 37 40.40 V C57
2022-01-05 08:33:53 s 1 +52692.867 0 +381116.90 8150.0 C57
2022-01-05 08:43:53 S 06 59 30.823 +31 38 11.80 V C57
2022-01-05 08:43:53 s 1 +52344.374 0 +381265.64 2690.0 C57
2022-01-05 08:53:53 S 06 59 29.659 +31 38 17.88 V C57
2022-01-05 08:53:53 s 1 +51995.736 0 +381413.43 6880.0 C57
2022-01-05 09:03:53 S 06 59 27.929 +31 38 35.27 V C57
2022-01-05 09:03:53 s 1 +51646.958 0 +381560.28 740.0 C57
2022-01-05 09:13:53 S 06 59 26.479 +31 38 46.64 V C57
2022-01-05 09:13:53 s 1 +51298.034 0 +381706.17 4270.0 C57
2022-01-05 09:23:53 S 06 59 25.375 +31 39 00.11 V C57
2022-01-05 09:23:53 s 1 +50948.968 0 +381851.12 7460.0 C57
2022-01-05 09:33:53 S 06 59 24.127 +31 39 11.16 V C57
2022-01-05 09:33:53 s 1 +50599.765 0 +381995.13 330.0 C57
2022-01-05 09:43:53 S 06 59 22.920 +31 39 29.56 V C57
2022-01-05 09:43:53 s 1 +50250.419 0 +382138.18 2880.0 C57
2022-01-05 09:53:53 S 06 59 20.966 +31 39 46.94 V C57
2022-01-05 09:53:53 s 1 +49900.935 0 +382280.28 5110.0 C57
2022-01-05 10:13:53 S 06 59 18.588 +31 40 17.87 V C57
2022-01-05 10:13:53 s 1 +49201.556 0 +382561.67 8630.0 C57