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
2022-01-03 00:33:53 S 07 07 29.582 +30 06 49.50 V C57
2022-01-03 00:33:53 s 1 +154012.88 3 +274162.38 4940.0 C57
2022-01-03 00:53:53 S 07 07 27.000 +30 07 23.45 V C57
2022-01-03 00:53:53 s 1 +153560.24 5 +275161.86 2710.0 C57
2022-01-03 01:13:53 S 07 07 23.789 +30 07 57.14 V C57
2022-01-03 01:13:53 s 1 +153104.89 1 +276156.58 40.0 C57
2022-01-03 01:23:53 S 07 07 22.975 +30 08 16.01 V C57
2022-01-03 01:23:53 s 1 +152876.20 4 +276652.16 4820.0 C57
2022-01-03 01:33:53 S 07 07 21.226 +30 08 30.84 V C57
2022-01-03 01:33:53 s 1 +152646.84 6 +277146.55 7030.0 C57
2022-01-03 01:43:53 S 07 07 19.613 +30 08 55.97 V C57
2022-01-03 01:43:53 s 1 +152416.82 1 +277639.75 6680.0 C57
2022-01-03 01:53:53 S 07 07 18.533 +30 09 09.04 V C57
2022-01-03 01:53:53 s 1 +152186.13 1 +278131.77 3770.0 C57
2022-01-03 02:03:53 S 07 07 16.654 +30 09 25.24 V C57
2022-01-03 02:03:53 s 1 +151954.77 9 +278622.61 8330.0 C57
2022-01-03 02:13:53 S 07 07 15.120 +30 09 43.24 V C57
2022-01-03 02:13:53 s 1 +151722.76 8 +279112.26 370.0 C57
2022-01-03 02:23:53 S 07 07 13.930 +30 09 55.91 V C57
2022-01-03 02:23:53 s 1 +151490.10 1 +279600.73 9890.0 C57
2022-01-03 02:33:53 S 07 07 13.008 +30 10 11.78 V C57
2022-01-03 02:33:53 s 1 +151256.78 0 +280088.02 6900.0 C57
2022-01-03 02:43:53 S 07 07 11.472 +30 10 32.56 V C57
2022-01-03 02:43:53 s 1 +151022.80 8 +280574.13 1420.0 C57
2022-01-03 03:23:53 S 07 07 05.743 +30 11 44.81 V C57
2022-01-03 03:23:53 s 1 +150080.46 4 +282506.81 4830.0 C57
2022-01-03 03:33:53 S 07 07 04.058 +30 11 59.10 V C57
2022-01-03 03:33:53 s 1 +149843.27 8 +282987.05 7060.0 C57
2022-01-03 03:43:53 S 07 07 02.575 +30 12 19.84 V C57
2022-01-03 03:43:53 s 1 +149605.45 7 +283466.11 6880.0 C57
2022-01-03 03:53:53 S 07 07 01.102 +30 12 35.71 V C57
2022-01-03 03:53:53 s 1 +149367.00 4 +283944.00 4270.0 C57
2022-01-03 04:13:53 S 07 06 58.090 +30 13 10.27 V C57
2022-01-03 04:13:53 s 1 +148888.21 0 +284896.27 1870.0 C57
2022-01-03 04:23:53 S 07 06 56.945 +30 13 30.36 V C57
2022-01-03 04:23:53 s 1 +148647.87 6 +285370.66 2100.0 C57
2022-01-03 04:33:53 S 07 06 55.733 +30 13 43.61 V C57
2022-01-03 04:33:53 s 1 +148406.92 0 +285843.87 9950.0 C57
2022-01-03 04:43:53 S 07 06 53.659 +30 14 05.24 V C57
2022-01-03 04:43:53 s 1 +148165.34 4 +286315.93 5450.0 C57
2022-01-03 05:13:53 S 07 06 49.918 +30 14 50.42 V C57
2022-01-03 05:13:53 s 1 +147436.92 7 +287725.11 7900.0 C57
2022-01-03 05:23:53 S 07 06 47.964 +30 15 11.66 V C57
2022-01-03 05:23:53 s 1 +147192.90 0 +288192.51 4070.0 C57
2022-01-03 05:33:53 S 07 06 47.052 +30 15 28.76 V C57
2022-01-03 05:33:53 s 1 +146948.26 6 +288658.75 7930.0 C57
2022-01-03 05:43:53 S 07 06 45.084 +30 15 50.40 V C57
2022-01-03 05:43:53 s 1 +146703.02 8 +289123.84 9500.0 C57
2022-01-03 05:53:53 S 07 06 43.855 +30 16 03.54 V C57
2022-01-03 05:53:53 s 1 +146457.18 8 +289587.76 8790.0 C57