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
2022-01-04 10:33:53 S 07 02 38.537 +31 03 40.07 V C57
2022-01-04 10:33:53 s 1 +97021.056 0 +352999.46 6470.0 C57
2022-01-04 10:43:53 S 07 02 37.042 +31 03 54.14 V C57
2022-01-04 10:43:53 s 1 +96700.908 0 +353277.12 6180.0 C57
2022-01-04 10:53:53 S 07 02 35.196 +31 04 18.05 V C57
2022-01-04 10:53:53 s 1 +96380.468 0 +353553.76 4920.0 C57
2022-01-04 11:03:53 S 07 02 33.727 +31 04 28.81 V C57
2022-01-04 11:03:53 s 1 +96059.744 0 +353829.40 2700.0 C57
2022-01-04 11:13:53 S 07 02 32.309 +31 04 46.45 V C57
2022-01-04 11:13:53 s 1 +95738.727 0 +354104.03 9510.0 C57
2022-01-04 11:23:53 S 07 02 30.727 +31 05 01.54 V C57
2022-01-04 11:23:53 s 1 +95417.422 0 +354377.64 5360.0 C57
2022-01-04 11:33:53 S 07 02 29.750 +31 05 15.86 V C57
2022-01-04 11:33:53 s 1 +95095.836 0 +354650.26 270.0 C57
2022-01-04 11:43:53 S 07 02 28.066 +31 05 35.48 V C57
2022-01-04 11:43:53 s 1 +94773.961 0 +354921.87 4230.0 C57
2022-01-04 11:53:53 S 07 02 26.954 +31 05 46.03 V C57
2022-01-04 11:53:53 s 1 +94451.802 0 +355192.46 7250.0 C57
2022-01-04 12:03:53 S 07 02 25.418 +31 06 07.52 V C57
2022-01-04 12:03:53 s 1 +94129.366 0 +355462.06 9340.0 C57
2022-01-04 12:13:53 S 07 02 23.794 +31 06 13.32 V C57
2022-01-04 12:13:53 s 1 +93806.644 0 +355730.64 500.0 C57
2022-01-04 12:23:53 S 07 02 23.482 +31 06 35.46 V C57
2022-01-04 12:23:53 s 1 +93483.643 0 +355998.22 730.0 C57
2022-01-04 12:33:53 S 07 02 21.120 +31 06 50.69 V C57
2022-01-04 12:33:53 s 1 +93160.368 0 +356264.81 60.0 C57
2022-01-04 12:43:53 S 07 02 20.215 +31 07 06.42 V C57
2022-01-04 12:43:53 s 1 +92836.812 0 +356530.38 8460.0 C57
2022-01-04 12:53:53 S 07 02 17.978 +31 07 22.98 V C57
2022-01-04 12:53:53 s 1 +92512.979 0 +356794.94 5950.0 C57
2022-01-04 13:03:53 S 07 02 17.119 +31 07 42.13 V C57
2022-01-04 13:03:53 s 1 +92188.877 0 +357058.52 2560.0 C57
2022-01-04 13:13:53 S 07 02 15.367 +31 07 54.80 V C57
2022-01-04 13:13:53 s 1 +91864.497 0 +357321.08 8260.0 C57
2022-01-04 13:33:53 S 07 02 12.811 +31 08 25.80 V C57
2022-01-04 13:33:53 s 1 +91214.926 0 +357843.21 7000.0 C57
2022-01-04 14:33:53 S 07 02 04.248 +31 10 02.89 V C57
2022-01-04 14:33:53 s 1 +89259.782 0 +359385.62 2250.0 C57
2022-01-04 14:43:53 S 07 02 02.964 +31 10 15.49 V C57
2022-01-04 14:43:53 s 1 +88932.999 0 +359639.19 120.0 C57
2022-01-04 14:53:53 S 07 02 01.298 +31 10 39.97 V C57
2022-01-04 14:53:53 s 1 +88605.954 0 +359891.76 7140.0 C57
2022-01-04 15:03:53 S 07 01 59.950 +31 10 50.23 V C57
2022-01-04 15:03:53 s 1 +88278.654 0 +360143.35 3340.0 C57
2022-01-04 15:13:53 S 07 01 58.567 +31 11 03.91 V C57
2022-01-04 15:13:53 s 1 +87951.092 0 +360393.94 8700.0 C57
2022-01-04 15:23:53 S 07 01 57.725 +31 11 14.78 V C57
2022-01-04 15:23:53 s 1 +87623.272 0 +360643.52 3220.0 C57
2022-01-04 15:33:53 S 07 01 55.356 +31 11 34.37 V C57
2022-01-04 15:33:53 s 1 +87295.200 0 +360892.13 6940.0 C57