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 20:13:53 s 1 +179476.07 9 +170694.06 810.0 C57
2022-01-01 20:23:53 S 07 11 31.454 +29 15 35.50 V C57
2022-01-01 20:23:53 s 1 +179424.10 9 +171416.22 7250.0 C57
2022-01-01 20:33:53 S 07 11 30.120 +29 15 57.56 V C57
2022-01-01 20:33:53 s 1 +179370.64 2 +172136.97 7620.0 C57
2022-01-01 20:43:53 S 07 11 28.591 +29 16 12.04 V C57
2022-01-01 20:43:53 s 1 +179315.68 6 +172856.30 1940.0 C57
2022-01-01 22:13:53 S 07 11 15.631 +29 19 05.92 V C57
2022-01-01 22:13:53 s 1 +178755.33 3 +179266.75 4280.0 C57
2022-01-01 22:33:53 S 07 11 13.154 +29 19 42.64 V C57
2022-01-01 22:33:53 s 1 +178615.06 7 +180675.81 9940.0 C57
2022-01-01 23:03:53 S 07 11 08.779 +29 20 37.54 V C57
2022-01-01 23:03:53 s 1 +178394.19 1 +182778.89 6040.0 C57
2022-01-01 23:13:53 S 07 11 07.253 +29 20 58.27 V C57
2022-01-01 23:13:53 s 1 +178317.79 9 +183477.12 3560.0 C57
2022-01-01 23:23:53 S 07 11 05.938 +29 21 18.72 V C57
2022-01-01 23:23:53 s 1 +178240.03 7 +184173.96 5540.0 C57
2022-01-01 23:33:53 S 07 11 04.603 +29 21 33.88 V C57
2022-01-01 23:33:53 s 1 +178160.91 0 +184869.39 2010.0 C57
2022-01-01 23:43:53 S 07 11 03.163 +29 21 48.92 V C57
2022-01-01 23:43:53 s 1 +178080.42 6 +185563.44 3000.0 C57
2022-01-01 23:53:53 S 07 11 01.490 +29 22 03.58 V C57
2022-01-01 23:53:53 s 1 +177998.59 2 +186256.09 8540.0 C57
2022-01-02 00:03:53 S 07 11 00.389 +29 22 31.94 V C57
2022-01-02 00:03:53 s 1 +177915.41 3 +186947.34 8660.0 C57
2022-01-02 00:13:53 S 07 10 58.951 +29 22 46.74 V C57
2022-01-02 00:13:53 s 1 +177830.89 8 +187637.21 3380.0 C57
2022-01-02 00:23:53 S 07 10 57.410 +29 23 07.04 V C57
2022-01-02 00:23:53 s 1 +177745.05 3 +188325.69 2730.0 C57
2022-01-02 00:33:53 S 07 10 55.985 +29 23 22.96 V C57
2022-01-02 00:33:53 s 1 +177657.88 5 +189012.78 6750.0 C57
2022-01-02 00:43:53 S 07 10 54.413 +29 23 45.35 V C57
2022-01-02 00:43:53 s 1 +177569.39 9 +189698.49 5460.0 C57
2022-01-02 00:53:53 S 07 10 53.242 +29 24 05.51 V C57
2022-01-02 00:53:53 s 1 +177479.60 4 +190382.80 8890.0 C57
2022-01-02 01:03:53 S 07 10 51.821 +29 24 19.76 V C57
2022-01-02 01:03:53 s 1 +177388.50 4 +191065.74 7070.0 C57
2022-01-02 01:23:53 S 07 10 48.732 +29 25 00.26 V C57
2022-01-02 01:23:53 s 1 +177202.42 0 +192427.46 7780.0 C57
2022-01-02 01:33:53 S 07 10 47.388 +29 25 17.94 V C57
2022-01-02 01:33:53 s 1 +177107.44 8 +193106.25 360.0 C57
2022-01-02 01:53:53 S 07 10 44.911 +29 25 55.09 V C57
2022-01-02 01:53:53 s 1 +176913.67 7 +194459.70 130.0 C57
2022-01-02 02:13:53 S 07 10 41.878 +29 26 35.20 V C57
2022-01-02 02:13:53 s 1 +176714.84 5 +195807.64 9530.0 C57
2022-01-02 02:33:53 S 07 10 38.527 +29 27 09.04 V C57
2022-01-02 02:33:53 s 1 +176511.00 0 +197150.09 8790.0 C57
2022-01-02 03:13:53 S 07 10 33.168 +29 28 24.35 V C57
2022-01-02 03:13:53 s 1 +176088.47 3 +199818.56 7700.0 C57
2022-01-02 03:23:53 S 07 10 31.634 +29 28 40.04 V C57