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
2022-01-04 01:23:53 S 07 03 56.887 +30 48 50.58 V C57
2022-01-04 01:23:53 s 1 +114141.07 5 +336153.60 6090.0 C57
2022-01-04 01:33:53 S 07 03 54.962 +30 49 07.64 V C57
2022-01-04 01:33:53 s 1 +113839.06 4 +336487.84 8300.0 C57
2022-01-04 01:43:53 S 07 03 53.861 +30 49 23.56 V C57
2022-01-04 01:43:53 s 1 +113536.67 9 +336821.03 9190.0 C57
2022-01-04 01:53:53 S 07 03 52.126 +30 49 36.91 V C57
2022-01-04 01:53:53 s 1 +113233.92 4 +337153.16 8780.0 C57
2022-01-04 02:13:53 S 07 03 48.727 +30 50 15.47 V C57
2022-01-04 02:13:53 s 1 +112627.32 7 +337814.31 4120.0 C57
2022-01-04 02:23:53 S 07 03 47.950 +30 50 30.48 V C57
2022-01-04 02:23:53 s 1 +112323.48 0 +338143.30 9860.0 C57
2022-01-04 02:33:53 S 07 03 46.466 +30 50 45.13 V C57
2022-01-04 02:33:53 s 1 +112019.27 8 +338471.27 4350.0 C57
2022-01-04 02:43:53 S 07 03 45.288 +30 51 05.54 V C57
2022-01-04 02:43:53 s 1 +111714.71 0 +338798.19 7560.0 C57
2022-01-04 02:53:53 S 07 03 43.786 +30 51 18.11 V C57
2022-01-04 02:53:53 s 1 +111409.78 3 +339124.05 9510.0 C57
2022-01-04 03:03:53 S 07 03 42.113 +30 51 31.21 V C57
2022-01-04 03:03:53 s 1 +111104.50 6 +339448.90 220.0 C57
2022-01-04 03:13:53 S 07 03 40.826 +30 51 47.41 V C57
2022-01-04 03:13:53 s 1 +110798.86 8 +339772.68 9680.0 C57
2022-01-04 03:23:53 S 07 03 39.238 +30 52 02.89 V C57
2022-01-04 03:23:53 s 1 +110492.87 5 +340095.43 7890.0 C57
2022-01-04 03:33:53 S 07 03 38.033 +30 52 19.63 V C57
2022-01-04 03:33:53 s 1 +110186.53 6 +340417.15 4890.0 C57
2022-01-04 03:43:53 S 07 03 36.552 +30 52 39.90 V C57
2022-01-04 03:43:53 s 1 +109879.84 1 +340737.82 650.0 C57
2022-01-04 03:53:53 S 07 03 35.006 +30 52 55.63 V C57
2022-01-04 03:53:53 s 1 +109572.79 6 +341057.44 5180.0 C57
2022-01-04 04:03:53 S 07 03 33.672 +30 53 17.09 V C57
2022-01-04 04:03:53 s 1 +109265.40 9 +341376.05 8520.0 C57
2022-01-04 04:13:53 S 07 03 31.750 +30 53 32.14 V C57
2022-01-04 04:13:53 s 1 +108957.67 0 +341693.61 640.0 C57
2022-01-04 04:23:53 S 07 03 30.646 +30 53 47.08 V C57
2022-01-04 04:23:53 s 1 +108649.58 5 +342010.12 1550.0 C57
2022-01-04 05:03:53 S 07 03 25.210 +30 54 46.91 V C57
2022-01-04 05:03:53 s 1 +107413.84 0 +343265.88 3360.0 C57
2022-01-04 05:13:53 S 07 03 23.856 +30 54 58.75 V C57
2022-01-04 05:13:53 s 1 +107104.05 4 +343577.23 8360.0 C57
2022-01-04 05:33:53 S 07 03 20.693 +30 55 35.11 V C57
2022-01-04 05:33:53 s 1 +106483.47 8 +344196.85 4890.0 C57
2022-01-04 05:43:53 S 07 03 19.380 +30 55 53.87 V C57
2022-01-04 05:43:53 s 1 +106172.68 7 +344505.11 6420.0 C57
2022-01-04 05:53:53 S 07 03 17.930 +30 56 12.34 V C57
2022-01-04 05:53:53 s 1 +105861.56 3 +344812.33 6800.0 C57
2022-01-04 06:03:53 S 07 03 16.541 +30 56 27.92 V C57
2022-01-04 06:03:53 s 1 +105550.11 5 +345118.55 6060.0 C57
2022-01-04 06:13:53 S 07 03 15.314 +30 56 40.06 V C57
2022-01-04 06:13:53 s 1 +105238.33 3 +345423.72 4170.0 C57