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
2022-01-02 08:53:53 s 1 +171747.48 4 +221627.69 8940.0 C57
2022-01-02 09:03:53 S 07 09 42.910 +29 39 10.19 V C57
2022-01-02 09:03:53 s 1 +171600.72 5 +222245.81 4370.0 C57
2022-01-02 09:13:53 S 07 09 41.630 +29 39 19.69 V C57
2022-01-02 09:13:53 s 1 +171452.93 7 +222862.61 5710.0 C57
2022-01-02 09:23:53 S 07 09 40.248 +29 39 41.51 V C57
2022-01-02 09:23:53 s 1 +171304.12 3 +223478.10 2980.0 C57
2022-01-02 09:33:53 S 07 09 38.573 +29 40 04.22 V C57
2022-01-02 09:33:53 s 1 +171154.28 9 +224092.28 6200.0 C57
2022-01-02 09:43:53 S 07 09 37.229 +29 40 20.06 V C57
2022-01-02 09:43:53 s 1 +171003.43 9 +224705.14 5390.0 C57
2022-01-02 10:03:53 S 07 09 34.502 +29 40 53.51 V C57
2022-01-02 10:03:53 s 1 +170698.71 1 +225926.94 1750.0 C57
2022-01-02 10:13:53 S 07 09 33.170 +29 41 16.33 V C57
2022-01-02 10:13:53 s 1 +170544.84 2 +226535.87 8960.0 C57
2022-01-02 10:23:53 S 07 09 31.399 +29 41 32.06 V C57
2022-01-02 10:23:53 s 1 +170389.97 6 +227143.50 2230.0 C57
2022-01-02 10:33:53 S 07 09 30.547 +29 41 49.74 V C57
2022-01-02 10:33:53 s 1 +170234.11 8 +227749.83 1550.0 C57
2022-01-02 10:43:53 S 07 09 28.874 +29 42 06.26 V C57
2022-01-02 10:43:53 s 1 +170077.27 1 +228354.85 6970.0 C57
2022-01-02 10:53:53 S 07 09 27.072 +29 42 24.98 V C57
2022-01-02 10:53:53 s 1 +169919.44 1 +228958.57 8490.0 C57
2022-01-02 11:03:53 S 07 09 25.711 +29 42 44.68 V C57
2022-01-02 11:03:53 s 1 +169760.63 1 +229560.99 6130.0 C57
2022-01-02 11:13:53 S 07 09 24.163 +29 43 02.60 V C57
2022-01-02 11:13:53 s 1 +169600.84 7 +230162.11 9920.0 C57
2022-01-02 11:23:53 S 07 09 22.867 +29 43 26.18 V C57
2022-01-02 11:23:53 s 1 +169440.09 3 +230761.93 9870.0 C57
2022-01-02 11:33:53 S 07 09 21.540 +29 43 42.89 V C57
2022-01-02 11:33:53 s 1 +169278.37 4 +231360.45 6000.0 C57
2022-01-02 11:43:53 S 07 09 20.138 +29 43 58.15 V C57
2022-01-02 11:43:53 s 1 +169115.69 2 +231957.68 8330.0 C57
2022-01-02 11:53:53 S 07 09 18.655 +29 44 14.39 V C57
2022-01-02 11:53:53 s 1 +168952.05 4 +232553.62 6880.0 C57
2022-01-02 12:03:53 S 07 09 17.314 +29 44 29.40 V C57
2022-01-02 12:03:53 s 1 +168787.46 3 +233148.26 1660.0 C57
2022-01-02 12:13:53 S 07 09 16.034 +29 44 50.64 V C57
2022-01-02 12:13:53 s 1 +168621.92 4 +233741.62 2700.0 C57
2022-01-02 12:33:53 S 07 09 13.034 +29 45 30.82 V C57
2022-01-02 12:33:53 s 1 +168288.01 7 +234924.46 3610.0 C57
2022-01-02 13:03:53 S 07 09 08.585 +29 46 18.59 V C57
2022-01-02 13:03:53 s 1 +167780.15 1 +236689.07 2320.0 C57
2022-01-02 13:13:53 S 07 09 07.344 +29 46 40.58 V C57
2022-01-02 13:13:53 s 1 +167609.01 1 +237274.70 1260.0 C57
2022-01-02 13:33:53 S 07 09 04.423 +29 47 16.40 V C57
2022-01-02 13:33:53 s 1 +167263.97 7 +238442.14 8280.0 C57
2022-01-02 13:43:53 S 07 09 02.882 +29 47 37.18 V C57
2022-01-02 13:43:53 s 1 +167090.09 2 +239023.93 6410.0 C57
2022-01-02 13:53:53 S 07 09 01.738 +29 47 54.20 V C57