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
2022-01-01 12:33:53 s 1 +180100.15 2 +135925.69 700.0 C57
2022-01-01 13:33:53 S 07 12 29.729 +29 02 35.02 V C57
2022-01-01 13:33:53 s 1 +180230.04 0 +140633.91 3780.0 C57
2022-01-01 13:43:53 S 07 12 28.181 +29 02 53.77 V C57
2022-01-01 13:43:53 s 1 +180245.07 2 +141413.54 3790.0 C57
2022-01-01 13:53:53 S 07 12 27.065 +29 03 09.68 V C57
2022-01-01 13:53:53 s 1 +180258.24 2 +142191.71 6150.0 C57
2022-01-01 14:03:53 S 07 12 25.406 +29 03 30.20 V C57
2022-01-01 14:03:53 s 1 +180269.56 0 +142968.44 930.0 C57
2022-01-01 14:13:53 S 07 12 23.510 +29 03 54.29 V C57
2022-01-01 14:13:53 s 1 +180279.03 8 +143743.71 8150.0 C57
2022-01-01 14:23:53 S 07 12 22.478 +29 04 12.00 V C57
2022-01-01 14:23:53 s 1 +180286.68 4 +144517.54 7860.0 C57
2022-01-01 14:33:53 S 07 12 21.382 +29 04 31.33 V C57
2022-01-01 14:33:53 s 1 +180292.51 1 +145289.92 110.0 C57
2022-01-01 14:43:53 S 07 12 19.642 +29 04 47.35 V C57
2022-01-01 14:43:53 s 1 +180296.52 8 +146060.85 4950.0 C57
2022-01-01 15:03:53 S 07 12 16.699 +29 05 23.75 V C57
2022-01-01 15:03:53 s 1 +180299.17 1 +147598.37 2530.0 C57
2022-01-01 15:13:53 S 07 12 15.485 +29 05 49.88 V C57
2022-01-01 15:13:53 s 1 +180297.81 8 +148364.96 5370.0 C57
2022-01-01 15:43:53 S 07 12 11.028 +29 06 43.67 V C57
2022-01-01 15:43:53 s 1 +180283.17 7 +150656.07 580.0 C57
2022-01-01 15:53:53 S 07 12 09.886 +29 07 01.56 V C57
2022-01-01 15:53:53 s 1 +180274.80 3 +151416.88 4680.0 C57
2022-01-01 16:13:53 S 07 12 06.838 +29 07 43.00 V C57
2022-01-01 16:13:53 s 1 +180252.86 9 +152934.18 1690.0 C57
2022-01-01 16:33:53 S 07 12 04.207 +29 08 20.69 V C57
2022-01-01 16:33:53 s 1 +180224.08 6 +154445.71 710.0 C57
2022-01-01 17:03:53 S 07 11 59.952 +29 09 14.40 V C57
2022-01-01 17:03:53 s 1 +180168.23 4 +156702.22 7460.0 C57
2022-01-01 17:13:53 S 07 11 58.973 +29 09 35.39 V C57
2022-01-01 17:13:53 s 1 +180146.27 2 +157451.51 6050.0 C57
2022-01-01 17:43:53 S 07 11 54.454 +29 10 28.09 V C57
2022-01-01 17:43:53 s 1 +180070.48 2 +159690.77 1430.0 C57
2022-01-01 17:53:53 S 07 11 53.018 +29 10 53.69 V C57
2022-01-01 17:53:53 s 1 +180041.94 6 +160434.33 3210.0 C57
2022-01-01 18:03:53 S 07 11 51.264 +29 11 12.05 V C57
2022-01-01 18:03:53 s 1 +180011.78 9 +161176.45 8380.0 C57
2022-01-01 18:13:53 S 07 11 50.011 +29 11 30.30 V C57
2022-01-01 18:13:53 s 1 +179980.01 9 +161917.13 6980.0 C57
2022-01-01 18:23:53 S 07 11 48.391 +29 11 46.82 V C57
2022-01-01 18:23:53 s 1 +179946.64 5 +162656.39 9040.0 C57
2022-01-01 18:33:53 S 07 11 47.681 +29 12 10.69 V C57
2022-01-01 18:33:53 s 1 +179911.67 6 +163394.22 4610.0 C57
2022-01-01 18:43:53 S 07 11 45.653 +29 12 27.65 V C57
2022-01-01 18:43:53 s 1 +179875.11 9 +164130.62 3720.0 C57
2022-01-01 19:13:53 S 07 11 41.470 +29 13 23.74 V C57
2022-01-01 19:13:53 s 1 +179756.01 3 +166331.24 2630.0 C57
2022-01-01 20:13:53 S 07 11 33.074 +29 15 15.48 V C57