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 23:23:53 S 07 00 49.687 +31 23 47.29 V C57
2022-01-04 23:23:53 s 1 +71608.386 0 +371464.59 5280.0 C57
2022-01-04 23:43:53 S 07 00 46.963 +31 24 17.57 V C57
2022-01-04 23:43:53 s 1 +70930.178 0 +371866.60 4780.0 C57
2022-01-04 23:53:53 S 07 00 44.875 +31 24 35.50 V C57
2022-01-04 23:53:53 s 1 +70590.772 0 +372066.14 3660.0 C57
2022-01-05 00:13:53 S 07 00 42.396 +31 25 08.04 V C57
2022-01-05 00:13:53 s 1 +69911.371 0 +372462.33 9700.0 C57
2022-01-05 00:23:53 S 07 00 41.129 +31 25 22.76 V C57
2022-01-05 00:23:53 s 1 +69571.373 0 +372658.97 6870.0 C57
2022-01-05 00:33:53 S 07 00 39.581 +31 25 36.84 V C57
2022-01-05 00:33:53 s 1 +69231.184 0 +372854.65 3480.0 C57
2022-01-05 00:43:53 S 07 00 38.657 +31 25 55.31 V C57
2022-01-05 00:43:53 s 1 +68890.798 0 +373049.35 9530.0 C57
2022-01-05 01:03:53 S 07 00 35.047 +31 26 24.94 V C57
2022-01-05 01:03:53 s 1 +68209.450 0 +373435.87 9980.0 C57
2022-01-05 01:23:53 S 07 00 32.275 +31 26 55.28 V C57
2022-01-05 01:23:53 s 1 +67527.336 0 +373818.51 8250.0 C57
2022-01-05 01:43:53 S 07 00 29.851 +31 27 20.27 V C57
2022-01-05 01:43:53 s 1 +66844.471 0 +374197.30 4390.0 C57
2022-01-05 02:13:53 S 07 00 25.450 +31 28 05.16 V C57
2022-01-05 02:13:53 s 1 +65818.773 0 +374758.25 9680.0 C57
2022-01-05 02:33:53 S 07 00 22.430 +31 28 41.81 V C57
2022-01-05 02:33:53 s 1 +65134.055 0 +375127.40 640.0 C57
2022-01-05 02:43:53 S 07 00 21.089 +31 28 58.33 V C57
2022-01-05 02:43:53 s 1 +64791.422 0 +375310.53 360.0 C57
2022-01-05 02:53:53 S 07 00 19.466 +31 29 12.66 V C57
2022-01-05 02:53:53 s 1 +64448.609 0 +375492.69 9580.0 C57
2022-01-05 03:03:53 S 07 00 18.221 +31 29 28.54 V C57
2022-01-05 03:03:53 s 1 +64105.619 0 +375673.91 8320.0 C57
2022-01-05 03:13:53 S 07 00 16.507 +31 29 42.43 V C57
2022-01-05 03:13:53 s 1 +63762.448 0 +375854.16 6560.0 C57
2022-01-05 03:23:53 S 07 00 15.634 +31 29 55.18 V C57
2022-01-05 03:23:53 s 1 +63419.099 0 +376033.44 4310.0 C57
2022-01-05 03:33:53 S 07 00 14.426 +31 30 13.18 V C57
2022-01-05 03:33:53 s 1 +63075.577 0 +376211.77 1590.0 C57
2022-01-05 03:43:53 S 07 00 12.919 +31 30 30.20 V C57
2022-01-05 03:43:53 s 1 +62731.877 0 +376389.14 8390.0 C57
2022-01-05 04:03:53 S 07 00 09.984 +31 30 55.44 V C57
2022-01-05 04:03:53 s 1 +62043.958 0 +376740.99 580.0 C57
2022-01-05 04:13:53 S 07 00 08.762 +31 31 18.12 V C57
2022-01-05 04:13:53 s 1 +61699.738 0 +376915.48 5980.0 C57
2022-01-05 04:23:53 S 07 00 06.866 +31 31 27.30 V C57
2022-01-05 04:23:53 s 1 +61355.347 0 +377089.00 910.0 C57
2022-01-05 04:33:53 S 07 00 05.760 +31 31 44.33 V C57
2022-01-05 04:33:53 s 1 +61010.788 0 +377261.59 5410.0 C57
2022-01-05 04:43:53 S 07 00 04.366 +31 32 03.01 V C57
2022-01-05 04:43:53 s 1 +60666.058 0 +377433.20 9440.0 C57
2022-01-05 05:03:53 S 07 00 01.212 +31 32 30.62 V C57
2022-01-05 05:03:53 s 1 +59976.095 0 +377773.56 6190.0 C57