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 18:03:54 S 08 01 15.185 +16 42 46.37 V C57
2021-12-19 18:03:54 s 1 +164449.90 5 +241379.32 4250.0 C57
2021-12-19 18:13:54 S 08 01 13.493 +16 43 14.59 V C57
2021-12-19 18:13:54 s 1 +164272.22 4 +241952.96 9870.0 C57
2021-12-19 18:33:54 S 08 01 10.250 +16 44 14.46 V C57
2021-12-19 18:33:54 s 1 +163914.18 1 +243096.36 900.0 C57
2021-12-19 18:53:54 S 08 01 07.044 +16 45 13.90 V C57
2021-12-19 18:53:54 s 1 +163552.59 2 +244234.56 8450.0 C57
2021-12-19 19:03:54 S 08 01 05.566 +16 45 39.13 V C57
2021-12-19 19:03:54 s 1 +163370.47 8 +244801.72 7210.0 C57
2021-12-19 19:13:54 S 08 01 04.020 +16 46 10.20 V C57
2021-12-19 19:13:54 s 1 +163187.48 8 +245367.59 2640.0 C57
2021-12-19 19:23:54 S 08 01 02.316 +16 46 40.84 V C57
2021-12-19 19:23:54 s 1 +163003.62 8 +245932.16 4770.0 C57
2021-12-19 19:33:54 S 08 01 00.924 +16 47 09.67 V C57
2021-12-19 19:33:54 s 1 +162818.90 1 +246495.44 3600.0 C57
2021-12-19 19:43:54 S 08 00 59.160 +16 47 42.86 V C57
2021-12-19 19:43:54 s 1 +162633.31 1 +247057.44 9150.0 C57
2021-12-19 19:53:54 S 08 00 57.454 +16 48 12.49 V C57
2021-12-19 19:53:54 s 1 +162446.86 2 +247618.14 1450.0 C57
2021-12-19 20:03:54 S 08 00 56.095 +16 48 41.04 V C57
2021-12-19 20:03:54 s 1 +162259.55 7 +248177.56 490.0 C57
2021-12-19 20:13:54 S 08 00 54.319 +16 49 08.33 V C57
2021-12-19 20:13:54 s 1 +162071.40 0 +248735.69 6310.0 C57
2021-12-19 20:23:54 S 08 00 52.882 +16 49 38.24 V C57
2021-12-19 20:23:54 s 1 +161882.39 6 +249292.54 8910.0 C57
2021-12-19 20:33:54 S 08 00 51.125 +16 50 07.66 V C57
2021-12-19 20:33:54 s 1 +161692.54 7 +249848.11 8310.0 C57
2021-12-19 20:43:54 S 08 00 49.514 +16 50 42.61 V C57
2021-12-19 20:43:54 s 1 +161501.85 9 +250402.40 4520.0 C57
2021-12-19 20:53:54 S 08 00 48.170 +16 51 07.70 V C57
2021-12-19 20:53:54 s 1 +161310.33 3 +250955.40 7560.0 C57
2021-12-19 21:13:54 S 08 00 44.726 +16 52 08.40 V C57
2021-12-19 21:13:54 s 1 +160924.78 7 +252057.59 4200.0 C57
2021-12-19 21:23:54 S 08 00 43.159 +16 52 37.78 V C57
2021-12-19 21:23:54 s 1 +160730.77 4 +252606.76 7820.0 C57
2021-12-19 21:33:54 S 08 00 41.638 +16 53 04.52 V C57
2021-12-19 21:33:54 s 1 +160535.93 9 +253154.67 8330.0 C57
2021-12-19 21:43:54 S 08 00 39.962 +16 53 34.98 V C57
2021-12-19 21:43:54 s 1 +160340.28 6 +253701.30 5740.0 C57
2021-12-19 21:53:54 S 08 00 38.347 +16 54 07.45 V C57
2021-12-19 21:53:54 s 1 +160143.81 8 +254246.66 70.0 C57
2021-12-19 22:03:54 S 08 00 36.715 +16 54 35.82 V C57
2021-12-19 22:03:54 s 1 +159946.53 9 +254790.75 1330.0 C57
2021-12-19 22:13:54 S 08 00 35.297 +16 55 09.01 V C57
2021-12-19 22:13:54 s 1 +159748.45 2 +255333.57 9540.0 C57
2021-12-19 22:23:54 S 08 00 33.451 +16 55 35.47 V C57
2021-12-19 22:23:54 s 1 +159549.56 1 +255875.13 4710.0 C57
2021-12-19 22:43:54 S 08 00 30.298 +16 56 32.71 V C57
2021-12-19 22:43:54 s 1 +159149.38 1 +256954.44 5990.0 C57