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
2022-01-05 10:23:53 S 06 59 17.167 +31 40 30.43 V C57
2022-01-05 10:23:53 s 1 +48851.661 0 +382700.93 9930.0 C57
2022-01-05 10:33:53 S 06 59 15.504 +31 40 48.43 V C57
2022-01-05 10:33:53 s 1 +48501.634 0 +382839.27 940.0 C57
2022-01-05 10:43:53 S 06 59 14.030 +31 41 03.23 V C57
2022-01-05 10:43:53 s 1 +48151.470 0 +382976.64 1640.0 C57
2022-01-05 10:53:53 S 06 59 12.658 +31 41 20.83 V C57
2022-01-05 10:53:53 s 1 +47801.173 0 +383113.07 2050.0 C57
2022-01-05 11:13:53 S 06 59 10.296 +31 41 48.37 V C57
2022-01-05 11:13:53 s 1 +47100.187 0 +383383.11 2020.0 C57
2022-01-05 11:43:53 S 06 59 05.698 +31 42 30.02 V C57
2022-01-05 11:43:53 s 1 +46047.733 0 +383781.09 9870.0 C57
2022-01-05 12:13:53 S 06 59 01.510 +31 43 10.88 V C57
2022-01-05 12:13:53 s 1 +44994.132 0 +384170.58 5320.0 C57
2022-01-05 12:23:53 S 06 58 59.866 +31 43 35.90 V C57
2022-01-05 12:23:53 s 1 +44642.681 0 +384298.52 3280.0 C57
2022-01-05 12:33:53 S 06 58 58.495 +31 43 44.22 V C57
2022-01-05 12:33:53 s 1 +44291.108 0 +384425.53 1000.0 C57
2022-01-05 12:43:53 S 06 58 56.990 +31 44 07.33 V C57
2022-01-05 12:43:53 s 1 +43939.411 0 +384551.59 8460.0 C57
2022-01-05 12:53:53 S 06 58 55.800 +31 44 15.90 V C57
2022-01-05 12:53:53 s 1 +43587.592 0 +384676.70 5680.0 C57
2022-01-05 13:03:53 S 06 58 54.612 +31 44 32.17 V C57
2022-01-05 13:03:53 s 1 +43235.655 0 +384800.89 2670.0 C57
2022-01-05 13:13:53 S 06 58 53.002 +31 44 48.88 V C57
2022-01-05 13:13:53 s 1 +42883.595 0 +384924.13 9420.0 C57
2022-01-05 13:23:53 S 06 58 52.044 +31 45 00.72 V C57
2022-01-05 13:23:53 s 1 +42531.417 0 +385046.42 5930.0 C57
2022-01-05 13:33:53 S 06 58 50.520 +31 45 17.93 V C57
2022-01-05 13:33:53 s 1 +42179.122 0 +385167.79 2220.0 C57
2022-01-05 13:43:53 S 06 58 49.051 +31 45 30.46 V C57
2022-01-05 13:43:53 s 1 +41826.709 0 +385288.21 8290.0 C57
2022-01-05 14:03:53 S 06 58 45.950 +31 46 03.04 V C57
2022-01-05 14:03:53 s 1 +41121.537 0 +385526.23 9770.0 C57
2022-01-05 14:13:53 S 06 58 44.366 +31 46 17.26 V C57
2022-01-05 14:13:53 s 1 +40768.778 0 +385643.83 5190.0 C57
2022-01-05 14:23:53 S 06 58 43.721 +31 46 31.55 V C57
2022-01-05 14:23:53 s 1 +40415.905 0 +385760.48 410.0 C57
2022-01-05 14:33:53 S 06 58 42.151 +31 46 48.90 V C57
2022-01-05 14:33:53 s 1 +40062.922 0 +385876.21 5420.0 C57
2022-01-05 14:43:53 S 06 58 40.589 +31 47 04.42 V C57
2022-01-05 14:43:53 s 1 +39709.826 0 +385991.00 230.0 C57
2022-01-05 14:53:53 S 06 58 39.156 +31 47 13.42 V C57
2022-01-05 14:53:53 s 1 +39356.619 0 +386104.84 4850.0 C57
2022-01-05 15:03:53 S 06 58 37.668 +31 47 36.35 V C57
2022-01-05 15:03:53 s 1 +39003.305 0 +386217.76 9280.0 C57
2022-01-05 15:23:53 S 06 58 34.884 +31 48 02.88 V C57
2022-01-05 15:23:53 s 1 +38296.347 0 +386440.76 7580.0 C57
2022-01-05 15:33:53 S 06 58 33.888 +31 48 13.46 V C57
2022-01-05 15:33:53 s 1 +37942.709 0 +386550.86 1460.0 C57