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
2021-12-28 23:33:53 s 1 -170512.85 6 +61147.494 2420.0 C57
2021-12-28 23:53:53 S 07 24 10.975 +26 06 25.38 V C57
2021-12-28 23:53:53 s 1 -170030.62 6 +59353.880 3130.0 C57
2021-12-29 00:03:53 S 07 24 09.115 +26 06 49.82 V C57
2021-12-29 00:03:53 s 1 -169784.58 7 +58455.343 6710.0 C57
2021-12-29 00:13:53 S 07 24 07.795 +26 07 10.42 V C57
2021-12-29 00:13:53 s 1 -169535.23 7 +57555.663 5640.0 C57
2021-12-29 00:23:53 S 07 24 06.175 +26 07 26.22 V C57
2021-12-29 00:23:53 s 1 -169282.55 1 +56654.849 9830.0 C57
2021-12-29 00:43:53 S 07 24 03.019 +26 08 09.78 V C57
2021-12-29 00:43:53 s 1 -168767.08 4 +54849.850 3600.0 C57
2021-12-29 00:53:53 S 07 24 01.426 +26 08 34.33 V C57
2021-12-29 00:53:53 s 1 -168504.25 7 +53945.682 2980.0 C57
2021-12-29 01:03:53 S 07 23 59.686 +26 08 49.96 V C57
2021-12-29 01:03:53 s 1 -168238.00 1 +53040.415 7230.0 C57
2021-12-29 01:13:53 S 07 23 58.308 +26 09 09.86 V C57
2021-12-29 01:13:53 s 1 -167968.29 5 +52134.056 6250.0 C57
2021-12-29 01:23:53 S 07 23 56.870 +26 09 34.99 V C57
2021-12-29 01:23:53 s 1 -167695.11 4 +51226.617 9940.0 C57
2021-12-29 01:43:53 S 07 23 53.710 +26 10 17.72 V C57
2021-12-29 01:43:53 s 1 -167138.23 0 +49408.532 900.0 C57
2021-12-29 01:53:53 S 07 23 52.344 +26 10 35.11 V C57
2021-12-29 01:53:53 s 1 -166854.47 8 +48497.906 7980.0 C57
2021-12-29 02:03:53 S 07 23 50.340 +26 11 00.02 V C57
2021-12-29 02:03:53 s 1 -166567.15 4 +47586.240 9310.0 C57
2021-12-29 02:13:53 S 07 23 48.828 +26 11 18.82 V C57
2021-12-29 02:13:53 s 1 -166276.23 3 +46673.542 4800.0 C57
2021-12-29 02:23:53 S 07 23 47.340 +26 11 37.86 V C57
2021-12-29 02:23:53 s 1 -165981.68 9 +45759.824 4330.0 C57
2021-12-29 02:33:53 S 07 23 45.706 +26 11 57.12 V C57
2021-12-29 02:33:53 s 1 -165683.49 7 +44845.098 7800.0 C57
2021-12-29 02:43:53 S 07 23 44.549 +26 12 16.49 V C57
2021-12-29 02:43:53 s 1 -165381.63 2 +43929.373 5100.0 C57
2021-12-29 03:03:53 S 07 23 40.970 +26 13 00.52 V C57
2021-12-29 03:03:53 s 1 -164766.77 7 +42094.979 770.0 C57
2021-12-29 03:13:53 S 07 23 39.636 +26 13 19.88 V C57
2021-12-29 03:13:53 s 1 -164453.73 6 +41176.333 8920.0 C57
2021-12-29 03:23:53 S 07 23 38.316 +26 13 42.13 V C57
2021-12-29 03:23:53 s 1 -164136.91 7 +40256.737 460.0 C57
2021-12-29 03:33:53 S 07 23 36.504 +26 14 04.63 V C57
2021-12-29 03:33:53 s 1 -163816.29 3 +39336.205 5280.0 C57
2021-12-29 03:53:53 S 07 23 33.245 +26 14 48.16 V C57
2021-12-29 03:53:53 s 1 -163163.52 5 +37492.383 4320.0 C57
2021-12-29 04:13:53 S 07 23 30.233 +26 15 25.63 V C57
2021-12-29 04:13:53 s 1 -162495.21 2 +35644.974 5130.0 C57
2021-12-29 04:23:53 S 07 23 28.745 +26 15 47.95 V C57
2021-12-29 04:23:53 s 1 -162155.15 7 +34719.960 4660.0 C57
2021-12-29 04:33:53 S 07 23 26.808 +26 16 03.65 V C57
2021-12-29 04:33:53 s 1 -161811.13 3 +33794.093 6780.0 C57
2021-12-29 04:43:53 S 07 23 25.706 +26 16 25.86 V C57