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
2021-12-23 18:13:54 s 1 -12863.986 0 +387414.45 5740.0 – C57
2021-12-23 18:23:53 S 07 45 12.094 +21 12 08.14 – V C57
2021-12-23 18:23:53 s 1 -13220.682 0 +387377.95 8110.0 – C57
2021-12-23 18:33:54 S 07 45 10.548 +21 12 34.60 – V C57
2021-12-23 18:33:54 s 1 -13577.348 0 +387340.49 110.0 – C57
2021-12-23 19:23:54 S 07 45 01.939 +21 14 43.58 – V C57
2021-12-23 19:23:54 s 1 -15360.190 0 +387138.90 4360.0 – C57
2021-12-23 19:33:53 S 07 45 00.233 +21 15 10.01 – V C57
2021-12-23 19:33:53 s 1 -15716.655 0 +387095.72 4030.0 – C57
2021-12-23 19:43:54 S 07 44 58.411 +21 15 37.26 – V C57
2021-12-23 19:43:54 s 1 -16073.084 0 +387051.58 3310.0 – C57
2021-12-23 19:53:53 S 07 44 56.904 +21 15 59.62 – V C57
2021-12-23 19:53:53 s 1 -16429.474 0 +387006.49 2180.0 – C57
2021-12-23 20:03:54 S 07 44 55.133 +21 16 28.96 – V C57
2021-12-23 20:03:54 s 1 -16785.826 0 +386960.44 640.0 – C57
2021-12-23 20:13:53 S 07 44 53.501 +21 16 57.14 – V C57
2021-12-23 20:13:53 s 1 -17142.139 0 +386913.43 8690.0 – C57
2021-12-23 20:23:53 S 07 44 51.655 +21 17 20.47 – V C57
2021-12-23 20:23:53 s 1 -17498.412 0 +386865.47 6330.0 – C57
2021-12-23 20:33:53 S 07 44 49.906 +21 17 48.98 – V C57
2021-12-23 20:33:53 s 1 -17854.643 0 +386816.56 3540.0 – C57
2021-12-23 20:43:53 S 07 44 48.370 +21 18 12.35 – V C57
2021-12-23 20:43:53 s 1 -18210.833 0 +386766.69 330.0 – C57
2021-12-23 20:53:54 S 07 44 46.618 +21 18 39.17 – V C57
2021-12-23 20:53:54 s 1 -18566.979 0 +386715.87 6700.0 – C57
2021-12-23 21:03:53 S 07 44 44.894 +21 19 00.95 – V C57
2021-12-23 21:03:53 s 1 -18923.082 0 +386664.08 2630.0 – C57
2021-12-23 21:13:54 S 07 44 43.274 +21 19 30.36 – V C57
2021-12-23 21:13:54 s 1 -19279.139 0 +386611.35 8120.0 – C57
2021-12-23 21:23:53 S 07 44 41.518 +21 19 55.74 – V C57
2021-12-23 21:23:53 s 1 -19635.151 0 +386557.66 3180.0 – C57
2021-12-23 21:33:54 S 07 44 39.857 +21 20 20.90 – V C57
2021-12-23 21:33:54 s 1 -19991.116 0 +386503.01 7790.0 – C57
2021-12-23 21:43:53 S 07 44 38.057 +21 20 49.16 – V C57
2021-12-23 21:43:53 s 1 -20347.034 0 +386447.41 1960.0 – C57
2021-12-23 21:53:53 S 07 44 36.139 +21 21 16.74 – V C57
2021-12-23 21:53:53 s 1 -20702.903 0 +386390.85 5670.0 – C57
2021-12-23 22:03:53 S 07 44 34.637 +21 21 40.36 – V C57
2021-12-23 22:03:53 s 1 -21058.723 0 +386333.33 8930.0 – C57
2021-12-24 19:23:53 S 07 40 56.350 +22 16 07.68 – V C57
2021-12-24 19:23:53 s 1 -65861.116 0 +371031.62 2140.0 – C57
2021-12-24 19:33:53 S 07 40 54.583 +22 16 33.49 – V C57
2021-12-24 19:33:53 s 1 -66202.623 0 +370849.50 2320.0 – C57
2021-12-24 19:43:53 S 07 40 52.846 +22 16 58.73 – V C57
2021-12-24 19:43:53 s 1 -66543.953 0 +370666.40 1490.0 – C57
2021-12-24 19:53:53 S 07 40 51.055 +22 17 24.04 – V C57
2021-12-24 19:53:53 s 1 -66885.107 0 +370482.32 9650.0 – C57
2021-12-24 20:03:53 S 07 40 49.219 +22 17 52.58 – V C57
2021-12-24 20:03:53 s 1 -67226.083 0 +370297.25 6800.0 – C57
2021-12-24 20:13:53 S 07 40 47.782 +22 18 15.19 – V C57