IAA RAS IAA Minor Planet Database

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 00:43:53 s 1 -76696.720 0 +364715.35 6110.0 – C57
2021-12-25 00:53:53 S 07 39 59.854 +22 29 52.08 – V C57
2021-12-25 00:53:53 s 1 -77032.058 0 +364501.65 1780.0 – C57
2021-12-25 01:03:53 S 07 39 58.222 +22 30 15.30 – V C57
2021-12-25 01:03:53 s 1 -77367.186 0 +364286.97 6290.0 – C57
2021-12-25 01:13:53 S 07 39 56.496 +22 30 43.42 – V C57
2021-12-25 01:13:53 s 1 -77702.101 0 +364071.29 9640.0 – C57
2021-12-25 01:23:53 S 07 39 54.763 +22 31 09.80 – V C57
2021-12-25 01:23:53 s 1 -78036.803 0 +363854.62 1810.0 – C57
2021-12-25 01:33:53 S 07 39 53.177 +22 31 30.50 – V C57
2021-12-25 01:33:53 s 1 -78371.290 0 +363636.95 2820.0 – C57
2021-12-25 01:43:53 S 07 39 51.046 +22 31 59.56 – V C57
2021-12-25 01:43:53 s 1 -78705.562 0 +363418.29 2640.0 – C57
2021-12-25 01:53:53 S 07 39 49.567 +22 32 23.39 – V C57
2021-12-25 01:53:53 s 1 -79039.617 0 +363198.63 1290.0 – C57
2021-12-25 02:03:53 S 07 39 47.962 +22 32 47.00 – V C57
2021-12-25 02:03:53 s 1 -79373.454 0 +362977.98 8740.0 – C57
2021-12-25 02:13:53 S 07 39 46.274 +22 33 13.07 – V C57
2021-12-25 02:13:53 s 1 -79707.072 0 +362756.34 5000.0 – C57
2021-12-25 02:23:53 S 07 39 44.506 +22 33 39.74 – V C57
2021-12-25 02:23:53 s 1 -80040.470 0 +362533.69 60.0 – C57
2021-12-25 02:33:53 S 07 39 42.624 +22 34 03.18 – V C57
2021-12-25 02:33:53 s 1 -80373.646 0 +362310.06 3910.0 – C57
2021-12-25 02:43:53 S 07 39 41.369 +22 34 25.50 – V C57
2021-12-25 02:43:53 s 1 -80706.600 0 +362085.42 6560.0 – C57
2021-12-25 02:53:53 S 07 39 39.427 +22 34 48.00 – V C57
2021-12-25 02:53:53 s 1 -81039.330 0 +361859.79 7990.0 – C57
2021-12-25 03:03:53 S 07 39 37.735 +22 35 16.87 – V C57
2021-12-25 03:03:53 s 1 -81371.835 0 +361633.16 8200.0 – C57
2021-12-25 03:13:53 S 07 39 35.928 +22 35 40.52 – V C57
2021-12-25 03:13:53 s 1 -81704.114 0 +361405.53 7190.0 – C57
2021-12-25 03:23:53 S 07 39 34.138 +22 36 02.23 – V C57
2021-12-25 03:23:53 s 1 -82036.166 0 +361176.91 4950.0 – C57
2021-12-25 03:43:53 S 07 39 30.924 +22 36 52.67 – V C57
2021-12-25 03:43:53 s 1 -82699.583 0 +360716.66 6750.0 – C57
2021-12-25 03:53:53 S 07 39 29.237 +22 37 18.70 – V C57
2021-12-25 03:53:53 s 1 -83030.946 0 +360485.04 790.0 – C57
2021-12-25 04:13:53 S 07 39 25.879 +22 38 09.53 – V C57
2021-12-25 04:13:53 s 1 -83692.975 0 +360018.79 5100.0 – C57
2021-12-25 04:23:53 S 07 39 24.271 +22 38 32.42 – V C57
2021-12-25 04:23:53 s 1 -84023.639 0 +359784.17 5370.0 – C57
2021-12-25 04:33:53 S 07 39 22.337 +22 38 57.01 – V C57
2021-12-25 04:33:53 s 1 -84354.067 0 +359548.54 4370.0 – C57
2021-12-25 04:43:53 S 07 39 20.642 +22 39 20.99 – V C57
2021-12-25 04:43:53 s 1 -84684.258 0 +359311.92 2100.0 – C57
2021-12-25 05:03:53 S 07 39 16.973 +22 40 12.76 – V C57
2021-12-25 05:03:53 s 1 -85343.926 0 +358835.66 3720.0 – C57
2021-12-25 05:13:53 S 07 39 15.557 +22 40 37.85 – V C57
2021-12-25 05:13:53 s 1 -85673.400 0 +358596.02 7610.0 – C57
2021-12-25 05:33:53 S 07 39 12.161 +22 41 27.02 – V C57