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 22:53:53 S 06 57 32.446 +31 58 56.78 V C57
2022-01-05 22:53:53 s 1 +22290.459 0 +390471.35 4780.0 C57
2022-01-05 23:03:53 S 06 57 31.315 +31 59 10.86 V C57
2022-01-05 23:03:53 s 1 +21932.941 0 +390539.54 4870.0 C57
2022-01-05 23:13:53 S 06 57 29.988 +31 59 29.08 V C57
2022-01-05 23:13:53 s 1 +21575.357 0 +390606.79 4950.0 C57
2022-01-05 23:23:53 S 06 57 28.058 +31 59 37.82 V C57
2022-01-05 23:23:53 s 1 +21217.707 0 +390673.11 5030.0 C57
2022-01-05 23:33:53 S 06 57 26.899 +31 59 56.47 V C57
2022-01-05 23:33:53 s 1 +20859.994 0 +390738.52 5100.0 C57
2022-01-05 23:43:53 S 06 57 25.512 +32 00 11.34 V C57
2022-01-05 23:43:53 s 1 +20502.217 0 +390803.00 5160.0 C57
2022-01-06 00:23:53 S 06 57 19.870 +32 01 09.34 V C57
2022-01-06 00:23:53 s 1 +19070.496 0 +391051.63 5180.0 C57
2022-01-06 00:43:53 S 06 57 17.357 +32 01 40.51 V C57
2022-01-06 00:43:53 s 1 +18354.279 0 +391170.41 5010.0 C57
2022-01-06 00:53:53 S 06 57 16.102 +32 01 49.12 V C57
2022-01-06 00:53:53 s 1 +17996.084 0 +391228.40 4870.0 C57
2022-01-06 01:03:53 S 06 57 14.606 +32 02 00.85 V C57
2022-01-06 01:03:53 s 1 +17637.834 0 +391285.48 4680.0 C57
2022-01-06 01:13:53 S 06 57 13.320 +32 02 22.38 V C57
2022-01-06 01:13:53 s 1 +17279.528 0 +391341.62 4450.0 C57
2022-01-06 01:23:53 S 06 57 11.863 +32 02 33.79 V C57
2022-01-06 01:23:53 s 1 +16921.166 0 +391396.84 4170.0 C57
2022-01-06 01:43:53 S 06 57 09.278 +32 02 58.09 V C57
2022-01-06 01:43:53 s 1 +16204.285 0 +391504.52 3430.0 C57
2022-01-06 02:03:53 S 06 57 06.194 +32 03 29.23 V C57
2022-01-06 02:03:53 s 1 +15487.196 0 +391608.50 2440.0 C57
2022-01-06 02:13:53 S 06 57 04.555 +32 03 44.86 V C57
2022-01-06 02:13:53 s 1 +15128.576 0 +391659.09 1850.0 C57
2022-01-06 02:23:53 S 06 57 03.595 +32 03 59.80 V C57
2022-01-06 02:23:53 s 1 +14769.906 0 +391708.77 1170.0 C57
2022-01-06 02:33:53 S 06 57 02.376 +32 04 11.71 V C57
2022-01-06 02:33:53 s 1 +14411.188 0 +391757.53 430.0 C57
2022-01-06 02:43:53 S 06 57 01.116 +32 04 34.14 V C57
2022-01-06 02:43:53 s 1 +14052.423 0 +391805.36 9590.0 C57
2022-01-06 02:53:53 S 06 56 59.316 +32 04 41.09 V C57
2022-01-06 02:53:53 s 1 +13693.610 0 +391852.26 8680.0 C57
2022-01-06 03:13:53 S 06 56 56.717 +32 05 13.31 V C57
2022-01-06 03:13:53 s 1 +12975.849 0 +391943.31 6570.0 C57
2022-01-06 03:33:53 S 06 56 54.158 +32 05 42.83 V C57
2022-01-06 03:33:53 s 1 +12257.911 0 +392030.67 4080.0 C57
2022-01-06 03:43:53 S 06 56 52.325 +32 05 55.72 V C57
2022-01-06 03:43:53 s 1 +11898.878 0 +392072.97 2670.0 C57
2022-01-06 04:23:53 S 06 56 47.611 +32 06 59.69 V C57
2022-01-06 04:23:53 s 1 +10462.338 0 +392232.91 5940.0 C57
2022-01-06 05:03:53 S 06 56 41.609 +32 07 55.56 V C57
2022-01-06 05:33:53 S 06 56 37.020 +32 08 28.90 V C57
2022-01-06 05:43:53 S 06 56 36.218 +32 08 43.51 V C57
2022-01-06 06:13:53 S 06 56 32.302 +32 09 30.28 V C57