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
2021-12-25 19:33:53 s 1 -112969.41 8 +334181.32 7270.0 C57
2021-12-25 19:53:53 S 07 36 45.931 +23 16 16.75 V C57
2021-12-25 19:53:53 s 1 -113576.23 7 +333522.58 5160.0 C57
2021-12-25 20:13:53 S 07 36 42.499 +23 17 07.84 V C57
2021-12-25 20:13:53 s 1 -114181.61 0 +332859.65 5770.0 C57
2021-12-25 20:23:53 S 07 36 40.810 +23 17 32.86 V C57
2021-12-25 20:23:53 s 1 -114483.75 1 +332526.60 8320.0 C57
2021-12-25 20:33:53 S 07 36 39.120 +23 17 54.28 V C57
2021-12-25 20:33:53 s 1 -114785.52 6 +332192.50 9020.0 C57
2021-12-25 20:43:53 S 07 36 37.188 +23 18 20.77 V C57
2021-12-25 20:43:53 s 1 -115086.93 3 +331857.35 7870.0 C57
2021-12-25 20:53:53 S 07 36 35.537 +23 18 46.55 V C57
2021-12-25 20:53:53 s 1 -115387.97 2 +331521.14 4870.0 C57
2021-12-25 21:13:53 S 07 36 31.802 +23 19 33.67 V C57
2021-12-25 21:13:53 s 1 -115988.93 5 +330845.55 3260.0 C57
2021-12-25 21:43:53 S 07 36 26.938 +23 20 44.77 V C57
2021-12-25 21:43:53 s 1 -116887.57 1 +329824.25 1740.0 C57
2021-12-25 21:53:53 S 07 36 25.301 +23 21 10.51 V C57
2021-12-25 21:53:53 s 1 -117186.36 2 +329481.70 7440.0 C57
2021-12-25 22:03:53 S 07 36 23.746 +23 21 33.37 V C57
2021-12-25 22:03:53 s 1 -117484.77 2 +329138.09 1240.0 C57
2021-12-25 22:13:53 S 07 36 22.229 +23 21 54.97 V C57
2021-12-25 22:13:53 s 1 -117782.80 0 +328793.41 3120.0 C57
2021-12-25 22:23:53 S 07 36 20.410 +23 22 22.30 V C57
2021-12-25 22:23:53 s 1 -118080.44 5 +328447.68 3070.0 C57
2021-12-25 22:33:53 S 07 36 18.533 +23 22 43.82 V C57
2021-12-25 22:33:53 s 1 -118377.70 5 +328100.89 1100.0 C57
2021-12-25 22:43:53 S 07 36 16.872 +23 23 06.86 V C57
2021-12-25 22:43:53 s 1 -118674.57 8 +327753.04 7200.0 C57
2021-12-25 23:03:53 S 07 36 13.438 +23 23 53.88 V C57
2021-12-25 23:03:53 s 1 -119267.15 7 +327054.14 3550.0 C57
2021-12-25 23:13:53 S 07 36 11.585 +23 24 20.77 V C57
2021-12-25 23:13:53 s 1 -119562.86 0 +326703.09 3790.0 C57
2021-12-25 23:23:53 S 07 36 10.234 +23 24 45.14 V C57
2021-12-25 23:23:53 s 1 -119858.17 0 +326350.98 2060.0 C57
2021-12-25 23:33:53 S 07 36 08.556 +23 25 02.50 V C57
2021-12-25 23:33:53 s 1 -120153.08 5 +325997.80 8370.0 C57
2021-12-25 23:43:53 S 07 36 06.732 +23 25 30.90 V C57
2021-12-25 23:43:53 s 1 -120447.60 3 +325643.56 2690.0 C57
2021-12-25 23:53:53 S 07 36 05.057 +23 25 47.21 V C57
2021-12-25 23:53:53 s 1 -120741.72 3 +325288.25 5020.0 C57
2021-12-26 00:13:53 S 07 36 01.754 +23 26 43.73 V C57
2021-12-26 00:13:53 s 1 -121328.76 1 +324574.43 3700.0 C57
2021-12-26 00:23:53 S 07 36 00.086 +23 27 05.94 V C57
2021-12-26 00:23:53 s 1 -121621.67 6 +324215.91 30.0 C57
2021-12-26 00:33:53 S 07 35 58.121 +23 27 30.06 V C57
2021-12-26 00:33:53 s 1 -121914.18 6 +323856.33 4340.0 C57
2021-12-26 00:43:53 S 07 35 56.664 +23 27 58.07 V C57
2021-12-26 00:43:53 s 1 -122206.28 9 +323495.67 6630.0 C57
2021-12-26 00:53:53 S 07 35 54.862 +23 28 14.88 V C57