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 15:43:53 S 06 58 32.357 +31 48 28.91 V C57
2022-01-05 15:43:53 s 1 +37588.963 0 +386660.02 5160.0 C57
2022-01-05 15:53:53 S 06 58 30.737 +31 48 40.90 V C57
2022-01-05 15:53:53 s 1 +37235.112 0 +386768.24 8700.0 C57
2022-01-05 16:03:53 S 06 58 29.623 +31 49 00.77 V C57
2022-01-05 16:03:53 s 1 +36881.158 0 +386875.54 2070.0 C57
2022-01-05 16:23:53 S 06 58 26.760 +31 49 27.91 V C57
2022-01-05 16:23:53 s 1 +36172.939 0 +387087.30 8310.0 C57
2022-01-05 16:43:53 S 06 58 24.391 +31 50 02.08 V C57
2022-01-05 16:43:53 s 1 +35464.316 0 +387295.34 3950.0 C57
2022-01-05 17:03:53 S 06 58 21.094 +31 50 28.86 V C57
2022-01-05 17:03:53 s 1 +34755.295 0 +387499.64 8990.0 C57
2022-01-05 17:13:53 S 06 58 19.121 +31 50 41.89 V C57
2022-01-05 17:13:53 s 1 +34400.636 0 +387600.38 1300.0 C57
2022-01-05 17:23:53 S 06 58 17.832 +31 51 00.29 V C57
2022-01-05 17:23:53 s 1 +34045.880 0 +387700.18 3480.0 C57
2022-01-05 17:33:53 S 06 58 17.064 +31 51 10.22 V C57
2022-01-05 17:33:53 s 1 +33691.030 0 +387799.07 5520.0 C57
2022-01-05 17:43:53 S 06 58 15.583 +31 51 20.84 V C57
2022-01-05 17:43:53 s 1 +33336.084 0 +387897.01 7440.0 C57
2022-01-05 18:23:53 S 06 58 09.840 +31 52 24.71 V C57
2022-01-05 18:23:53 s 1 +31915.365 0 +388279.44 3920.0 C57
2022-01-05 18:33:53 S 06 58 08.969 +31 52 36.16 V C57
2022-01-05 18:33:53 s 1 +31559.958 0 +388372.72 5260.0 C57
2022-01-05 18:43:53 S 06 58 07.217 +31 52 48.97 V C57
2022-01-05 18:43:53 s 1 +31204.460 0 +388465.07 6500.0 C57
2022-01-05 18:53:53 S 06 58 05.724 +31 53 09.64 V C57
2022-01-05 18:53:53 s 1 +30848.872 0 +388556.47 7630.0 C57
2022-01-05 19:03:53 S 06 58 04.277 +31 53 20.47 V C57
2022-01-05 19:03:53 s 1 +30493.198 0 +388646.97 8680.0 C57
2022-01-05 19:13:53 S 06 58 03.026 +31 53 34.26 V C57
2022-01-05 19:13:53 s 1 +30137.436 0 +388736.51 370.0 C57
2022-01-05 19:23:53 S 06 58 01.685 +31 53 49.99 V C57
2022-01-05 19:23:53 s 1 +29781.588 0 +388825.12 9510.0 C57
2022-01-05 20:53:53 S 06 57 49.090 +31 56 02.90 V C57
2022-01-05 20:53:53 s 1 +26575.228 0 +389580.82 5060.0 C57
2022-01-05 21:03:53 S 06 57 47.623 +31 56 17.38 V C57
2022-01-05 21:03:53 s 1 +26218.569 0 +389660.15 4860.0 C57
2022-01-05 21:13:53 S 06 57 46.783 +31 56 34.26 V C57
2022-01-05 21:13:53 s 1 +25861.832 0 +389738.53 4700.0 C57
2022-01-05 21:23:53 S 06 57 44.986 +31 56 50.50 V C57
2022-01-05 21:23:53 s 1 +25505.019 0 +389815.98 4590.0 C57
2022-01-05 21:33:53 S 06 57 43.553 +31 56 58.34 V C57
2022-01-05 21:33:53 s 1 +25148.134 0 +389892.52 4510.0 C57
2022-01-05 21:43:53 S 06 57 42.036 +31 57 11.70 V C57
2022-01-05 21:43:53 s 1 +24791.173 0 +389968.12 4470.0 C57
2022-01-05 21:53:53 S 06 57 40.908 +31 57 27.36 V C57
2022-01-05 21:53:53 s 1 +24434.139 0 +390042.79 4460.0 C57
2022-01-05 22:13:53 S 06 57 38.052 +31 57 59.87 V C57
2022-01-05 22:13:53 s 1 +23719.858 0 +390189.36 4510.0 C57