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
2021-12-19 22:53:54 S 08 00 28.567 +16 57 03.89 – V C57
2021-12-19 22:53:54 s 1 +158948.10 0 +257492.20 2130.0 – C57
2021-12-19 23:03:54 S 08 00 27.058 +16 57 31.46 – V C57
2021-12-19 23:03:54 s 1 +158746.02 8 +258028.71 5280.0 – C57
2021-12-19 23:13:54 S 08 00 25.402 +16 58 03.47 – V C57
2021-12-19 23:13:54 s 1 +158543.16 9 +258563.95 5460.0 – C57
2021-12-19 23:23:54 S 08 00 23.957 +16 58 34.25 – V C57
2021-12-19 23:23:54 s 1 +158339.52 8 +259097.93 2690.0 – C57
2021-12-19 23:33:54 S 08 00 22.066 +16 59 02.72 – V C57
2021-12-19 23:33:54 s 1 +158135.10 6 +259630.65 6980.0 – C57
2021-12-19 23:43:54 S 08 00 20.515 +16 59 33.36 – V C57
2021-12-19 23:43:54 s 1 +157929.90 8 +260162.12 8340.0 – C57
2021-12-19 23:53:54 S 08 00 19.258 +16 59 58.06 – V C57
2021-12-19 23:53:54 s 1 +157723.93 8 +260692.33 6780.0 – C57
2021-12-20 00:03:54 S 08 00 17.539 +17 00 31.25 – V C57
2021-12-20 00:03:54 s 1 +157517.19 7 +261221.30 2330.0 – C57
2021-12-20 00:13:54 S 08 00 15.703 +17 01 00.55 – V C57
2021-12-20 00:13:54 s 1 +157309.69 1 +261749.00 4980.0 – C57
2021-12-20 00:23:54 S 08 00 14.414 +17 01 28.96 – V C57
2021-12-20 00:23:54 s 1 +157101.42 1 +262275.46 4760.0 – C57
2021-12-20 00:43:54 S 08 00 10.999 +17 02 29.36 – V C57
2021-12-20 00:43:54 s 1 +156682.60 6 +263324.63 5760.0 – C57
2021-12-20 01:23:54 S 08 00 04.291 +17 04 35.58 – V C57
2021-12-20 01:23:54 s 1 +155835.96 4 +265408.01 3840.0 – C57
2021-12-20 02:03:54 S 07 59 58.006 +17 06 28.80 – V C57
2021-12-20 02:03:54 s 1 +154977.47 9 +267471.53 7400.0 – C57
2021-12-20 02:13:54 S 07 59 56.592 +17 06 54.47 – V C57
2021-12-20 02:13:54 s 1 +154761.03 1 +267984.32 6430.0 – C57
2021-12-20 02:23:54 S 07 59 54.991 +17 07 23.41 – V C57
2021-12-20 02:23:54 s 1 +154543.85 9 +268495.87 2740.0 – C57
2021-12-20 02:53:54 S 07 59 49.992 +17 08 52.94 – V C57
2021-12-20 02:53:54 s 1 +153888.02 6 +270023.12 5480.0 – C57
2021-12-20 03:03:54 S 07 59 48.444 +17 09 23.54 – V C57
2021-12-20 03:03:54 s 1 +153667.98 7 +270529.74 1040.0 – C57
2021-12-20 03:13:54 S 07 59 46.500 +17 09 49.46 – V C57
2021-12-20 03:13:54 s 1 +153447.23 8 +271035.14 3940.0 – C57
2021-12-20 03:23:54 S 07 59 45.029 +17 10 22.94 – V C57
2021-12-20 03:23:54 s 1 +153225.78 4 +271539.30 4200.0 – C57
2021-12-20 03:33:54 S 07 59 43.522 +17 10 49.01 – V C57
2021-12-20 03:33:54 s 1 +153003.62 7 +272042.24 1820.0 – C57
2021-12-20 03:43:54 S 07 59 42.000 +17 11 20.69 – V C57
2021-12-20 03:43:54 s 1 +152780.76 9 +272543.96 6820.0 – C57
2021-12-20 03:53:54 S 07 59 40.428 +17 11 46.28 – V C57
2021-12-20 03:53:54 s 1 +152557.21 5 +273044.45 9220.0 – C57
2021-12-20 04:03:54 S 07 59 38.815 +17 12 11.99 – V C57
2021-12-20 04:03:54 s 1 +152332.96 6 +273543.72 9010.0 – C57
2021-12-20 04:13:54 S 07 59 37.094 +17 12 46.48 – V C57
2021-12-20 04:13:54 s 1 +152108.02 7 +274041.77 6230.0 – C57
2021-12-20 04:33:54 S 07 59 33.775 +17 13 43.39 – V C57
2021-12-20 04:33:54 s 1 +151656.08 6 +275034.21 2940.0 – C57