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 05:23:53 s 1 +176969.47 4 +100656.39 4040.0 C57
2022-01-01 05:33:53 S 07 13 37.212 +28 47 03.41 V C57
2022-01-01 05:33:53 s 1 +177090.53 0 +101506.83 2330.0 C57
2022-01-01 05:43:53 S 07 13 35.609 +28 47 21.19 V C57
2022-01-01 05:43:53 s 1 +177209.09 2 +102355.85 240.0 C57
2022-01-01 05:53:53 S 07 13 34.097 +28 47 41.50 V C57
2022-01-01 05:53:53 s 1 +177325.17 5 +103203.45 7850.0 C57
2022-01-01 06:03:53 S 07 13 32.568 +28 48 00.58 V C57
2022-01-01 06:03:53 s 1 +177438.79 5 +104049.61 5210.0 C57
2022-01-01 06:13:53 S 07 13 31.183 +28 48 24.80 V C57
2022-01-01 06:13:53 s 1 +177549.96 7 +104894.35 2390.0 C57
2022-01-01 06:23:53 S 07 13 29.810 +28 48 38.20 V C57
2022-01-01 06:23:53 s 1 +177658.70 7 +105737.67 9470.0 C57
2022-01-01 06:43:53 S 07 13 27.372 +28 49 16.90 V C57
2022-01-01 06:43:53 s 1 +177868.94 8 +107420.00 3550.0 C57
2022-01-01 07:03:53 S 07 13 24.259 +28 50 02.36 V C57
2022-01-01 07:03:53 s 1 +178069.63 8 +109096.59 7980.0 C57
2022-01-01 07:23:53 S 07 13 21.494 +28 50 36.28 V C57
2022-01-01 07:23:53 s 1 +178260.89 3 +110767.44 3260.0 C57
2022-01-01 07:33:53 S 07 13 20.088 +28 50 58.06 V C57
2022-01-01 07:33:53 s 1 +178353.02 0 +111600.71 1380.0 C57
2022-01-01 07:43:53 S 07 13 18.881 +28 51 20.34 V C57
2022-01-01 07:43:53 s 1 +178442.83 0 +112432.54 9900.0 C57
2022-01-01 07:53:53 S 07 13 17.489 +28 51 38.20 V C57
2022-01-01 07:53:53 s 1 +178530.34 0 +113262.92 8870.0 C57
2022-01-01 08:33:53 S 07 13 11.652 +28 52 54.84 V C57
2022-01-01 08:33:53 s 1 +178857.64 3 +116570.03 600.0 C57
2022-01-01 09:03:53 S 07 13 07.466 +28 53 47.94 V C57
2022-01-01 09:03:53 s 1 +179079.63 2 +119035.18 9670.0 C57
2022-01-01 09:53:53 S 07 13 00.377 +28 55 31.69 V C57
2022-01-01 09:53:53 s 1 +179405.93 7 +123114.80 4180.0 C57
2022-01-01 10:13:53 S 07 12 58.013 +28 56 10.54 V C57
2022-01-01 10:13:53 s 1 +179521.47 5 +124736.49 6080.0 C57
2022-01-01 10:23:53 S 07 12 56.458 +28 56 28.03 V C57
2022-01-01 10:23:53 s 1 +179576.08 3 +125545.16 8980.0 C57
2022-01-01 10:33:53 S 07 12 54.862 +28 56 47.83 V C57
2022-01-01 10:33:53 s 1 +179628.60 1 +126352.38 3260.0 C57
2022-01-01 10:43:53 S 07 12 53.378 +28 57 06.44 V C57
2022-01-01 10:43:53 s 1 +179679.04 1 +127158.14 8970.0 C57
2022-01-01 11:23:53 S 07 12 47.971 +28 58 20.96 V C57
2022-01-01 11:23:53 s 1 +179860.26 3 +130366.68 7110.0 C57
2022-01-01 11:43:53 S 07 12 45.451 +28 59 02.76 V C57
2022-01-01 11:43:53 s 1 +179938.71 9 +131962.23 6090.0 C57
2022-01-01 11:53:53 S 07 12 43.548 +28 59 20.72 V C57
2022-01-01 11:53:53 s 1 +179974.94 9 +132757.83 3240.0 C57
2022-01-01 12:13:53 S 07 12 41.064 +29 00 05.36 V C57
2022-01-01 12:13:53 s 1 +180041.47 1 +134344.66 3100.0 C57
2022-01-01 12:23:53 S 07 12 39.931 +29 00 19.98 V C57
2022-01-01 12:23:53 s 1 +180071.78 6 +135135.90 5900.0 C57
2022-01-01 12:33:53 S 07 12 38.275 +29 00 37.30 V C57