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
2021-12-20 09:53:54 S 07 58 41.873 +17 29 20.11 V C57
2021-12-20 09:53:54 s 1 +144069.02 2 +290257.49 4540.0 C57
2021-12-20 10:03:54 S 07 58 40.368 +17 29 48.12 V C57
2021-12-20 10:03:54 s 1 +143821.64 6 +290713.55 8340.0 C57
2021-12-20 10:13:54 S 07 58 38.717 +17 30 19.91 V C57
2021-12-20 10:13:54 s 1 +143573.67 7 +291168.44 9940.0 C57
2021-12-20 10:23:54 S 07 58 37.025 +17 30 47.56 V C57
2021-12-20 10:23:54 s 1 +143325.11 6 +291622.15 9360.0 C57
2021-12-20 10:33:54 S 07 58 35.402 +17 31 18.62 V C57
2021-12-20 10:33:54 s 1 +143075.96 6 +292074.68 6610.0 C57
2021-12-20 10:53:54 S 07 58 32.081 +17 32 16.69 V C57
2021-12-20 10:53:54 s 1 +142575.90 9 +292976.22 4620.0 C57
2021-12-20 11:03:54 S 07 58 30.516 +17 32 48.73 V C57
2021-12-20 11:03:54 s 1 +142325.00 8 +293425.23 5400.0 C57
2021-12-20 11:13:54 S 07 58 28.889 +17 33 15.55 V C57
2021-12-20 11:13:54 s 1 +142073.52 7 +293873.07 4060.0 C57
2021-12-20 11:23:54 S 07 58 27.031 +17 33 42.01 V C57
2021-12-20 11:23:54 s 1 +141821.46 9 +294319.73 580.0 C57
2021-12-20 11:33:54 S 07 58 25.661 +17 34 08.94 V C57
2021-12-20 11:33:54 s 1 +141568.83 7 +294765.23 4990.0 C57
2021-12-20 11:43:54 S 07 58 24.007 +17 34 42.82 V C57
2021-12-20 11:43:54 s 1 +141315.63 3 +295209.56 7300.0 C57
2021-12-20 12:13:54 S 07 58 19.075 +17 36 08.21 V C57
2021-12-20 12:13:54 s 1 +140552.61 4 +296535.54 1690.0 C57
2021-12-20 12:23:54 S 07 58 17.542 +17 36 35.28 V C57
2021-12-20 12:23:54 s 1 +140297.14 6 +296975.21 5670.0 C57
2021-12-20 12:33:54 S 07 58 15.754 +17 37 03.83 V C57
2021-12-20 12:33:54 s 1 +140041.11 8 +297413.71 7600.0 C57
2021-12-20 12:43:54 S 07 58 14.093 +17 37 36.62 V C57
2021-12-20 12:43:54 s 1 +139784.53 2 +297851.05 7470.0 C57
2021-12-20 12:53:54 S 07 58 12.538 +17 38 04.49 V C57
2021-12-20 12:53:54 s 1 +139527.39 1 +298287.22 5310.0 C57
2021-12-20 13:13:54 S 07 58 09.341 +17 39 01.19 V C57
2021-12-20 13:13:54 s 1 +139011.45 1 +299156.10 4910.0 C57
2021-12-20 13:23:54 S 07 58 07.536 +17 39 32.22 V C57
2021-12-20 13:23:54 s 1 +138752.65 7 +299588.80 6690.0 C57
2021-12-20 13:33:54 S 07 58 05.789 +17 39 59.80 V C57
2021-12-20 13:33:54 s 1 +138493.31 6 +300020.34 6460.0 C57
2021-12-20 14:33:54 S 07 57 55.925 +17 42 57.56 V C57
2021-12-20 14:33:54 s 1 +136925.92 6 +302585.35 3580.0 C57
2021-12-20 14:43:54 S 07 57 54.562 +17 43 23.48 V C57
2021-12-20 14:43:54 s 1 +136662.82 4 +303008.83 9600.0 C57
2021-12-20 14:53:54 S 07 57 52.925 +17 43 53.44 V C57
2021-12-20 14:53:54 s 1 +136399.19 4 +303431.15 3680.0 C57
2021-12-20 15:03:54 S 07 57 51.422 +17 44 18.89 V C57
2021-12-20 15:03:54 s 1 +136135.03 7 +303852.33 5850.0 C57
2021-12-20 15:23:54 S 07 57 48.250 +17 45 23.51 V C57
2021-12-20 15:23:54 s 1 +135605.15 3 +304691.24 4450.0 C57
2021-12-20 15:33:54 S 07 57 46.128 +17 45 51.26 V C57
2021-12-20 15:33:54 s 1 +135339.43 0 +305108.98 900.0 C57