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
2021-12-27 23:33:53 s 1 -179395.11 1 +176323.60 4220.0 C57
2021-12-27 23:43:53 S 07 28 04.478 +25 15 04.03 V C57
2021-12-27 23:43:53 s 1 -179465.61 6 +175622.47 910.0 C57
2021-12-27 23:53:53 S 07 28 02.594 +25 15 28.51 V C57
2021-12-27 23:53:53 s 1 -179534.71 9 +174919.97 1170.0 C57
2021-12-28 00:03:53 S 07 28 01.044 +25 15 48.20 V C57
2021-12-28 00:03:53 s 1 -179602.41 5 +174216.10 4980.0 C57
2021-12-28 00:13:53 S 07 27 59.328 +25 16 11.50 V C57
2021-12-28 00:13:53 s 1 -179668.69 5 +173510.86 2300.0 C57
2021-12-28 00:23:53 S 07 27 57.492 +25 16 31.26 V C57
2021-12-28 00:23:53 s 1 -179733.55 2 +172804.25 3110.0 C57
2021-12-28 00:33:53 S 07 27 56.194 +25 16 54.77 V C57
2021-12-28 00:33:53 s 1 -179796.98 0 +172096.27 7360.0 C57
2021-12-28 00:43:53 S 07 27 54.590 +25 17 16.44 V C57
2021-12-28 00:43:53 s 1 -179858.97 0 +171386.92 5030.0 C57
2021-12-28 00:53:53 S 07 27 52.975 +25 17 32.17 V C57
2021-12-28 00:53:53 s 1 -179919.51 6 +170676.20 6090.0 C57
2021-12-28 01:03:53 S 07 27 51.110 +25 17 57.01 V C57
2021-12-28 01:03:53 s 1 -179978.61 0 +169964.11 500.0 C57
2021-12-28 01:33:53 S 07 27 46.070 +25 19 05.81 V C57
2021-12-28 01:33:53 s 1 -180147.10 3 +167819.58 3520.0 C57
2021-12-28 01:53:53 S 07 27 42.936 +25 19 45.80 V C57
2021-12-28 01:53:53 s 1 -180252.03 3 +166383.01 1690.0 C57
2021-12-28 02:03:53 S 07 27 41.688 +25 19 58.94 V C57
2021-12-28 02:03:53 s 1 -180302.25 5 +165662.66 5520.0 C57
2021-12-28 02:13:53 S 07 27 40.080 +25 20 29.00 V C57
2021-12-28 02:13:53 s 1 -180350.97 1 +164940.93 2460.0 C57
2021-12-28 02:33:53 S 07 27 36.552 +25 21 12.42 V C57
2021-12-28 02:33:53 s 1 -180443.85 5 +163493.33 5570.0 C57
2021-12-28 02:43:53 S 07 27 34.790 +25 21 32.29 V C57
2021-12-28 02:43:53 s 1 -180488.00 6 +162767.46 1670.0 C57
2021-12-28 02:53:53 S 07 27 33.187 +25 21 52.38 V C57
2021-12-28 02:53:53 s 1 -180530.62 1 +162040.20 740.0 C57
2021-12-28 03:13:53 S 07 27 29.803 +25 22 39.61 V C57
2021-12-28 03:13:53 s 1 -180611.20 4 +160581.54 7680.0 C57
2021-12-28 03:23:53 S 07 27 28.404 +25 23 01.21 V C57
2021-12-28 03:23:53 s 1 -180649.15 6 +159850.13 5480.0 C57
2021-12-28 03:43:53 S 07 27 25.150 +25 23 42.32 V C57
2021-12-28 03:43:53 s 1 -180720.34 2 +158383.16 9540.0 C57
2021-12-28 03:53:53 S 07 27 23.129 +25 24 08.89 V C57
2021-12-28 03:53:53 s 1 -180753.55 9 +157647.59 5730.0 C57
2021-12-28 04:03:53 S 07 27 21.816 +25 24 25.49 V C57
2021-12-28 04:03:53 s 1 -180785.18 0 +156910.63 4650.0 C57
2021-12-28 04:13:53 S 07 27 20.054 +25 24 51.66 V C57
2021-12-28 04:13:53 s 1 -180815.19 6 +156172.29 6250.0 C57
2021-12-28 04:23:53 S 07 27 18.269 +25 25 11.53 V C57
2021-12-28 04:23:53 s 1 -180843.60 1 +155432.56 510.0 C57
2021-12-28 04:33:53 S 07 27 16.702 +25 25 31.58 V C57
2021-12-28 04:33:53 s 1 -180870.38 4 +154691.43 7380.0 C57
2021-12-28 04:43:53 S 07 27 15.266 +25 25 54.88 V C57