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
2022-01-02 03:23:53 s 1 +175979.78 5 +200482.26 5160.0 C57
2022-01-02 03:33:53 S 07 10 30.194 +29 28 59.41 V C57
2022-01-02 03:33:53 s 1 +175869.88 6 +201144.60 7760.0 C57
2022-01-02 03:53:53 S 07 10 27.242 +29 29 34.48 V C57
2022-01-02 03:53:53 s 1 +175646.48 0 +202465.18 8490.0 C57
2022-01-02 04:03:53 S 07 10 26.009 +29 29 56.80 V C57
2022-01-02 04:03:53 s 1 +175532.98 4 +203123.44 6670.0 C57
2022-01-02 04:13:53 S 07 10 24.146 +29 30 14.08 V C57
2022-01-02 04:13:53 s 1 +175418.30 2 +203780.33 90.0 C57
2022-01-02 04:23:53 S 07 10 23.249 +29 30 31.54 V C57
2022-01-02 04:23:53 s 1 +175302.43 7 +204435.87 8780.0 C57
2022-01-02 04:33:53 S 07 10 21.761 +29 30 46.87 V C57
2022-01-02 04:33:53 s 1 +175185.39 7 +205090.06 2760.0 C57
2022-01-02 04:43:53 S 07 10 20.309 +29 31 06.06 V C57
2022-01-02 04:43:53 s 1 +175067.18 7 +205742.89 2050.0 C57
2022-01-02 05:33:53 S 07 10 13.248 +29 32 44.20 V C57
2022-01-02 05:33:53 s 1 +174458.77 9 +208986.78 9070.0 C57
2022-01-02 05:53:53 S 07 10 10.099 +29 33 19.19 V C57
2022-01-02 05:53:53 s 1 +174207.41 8 +210274.90 7910.0 C57
2022-01-02 06:03:53 S 07 10 08.470 +29 33 40.07 V C57
2022-01-02 06:03:53 s 1 +174080.04 6 +210916.95 570.0 C57
2022-01-02 06:13:53 S 07 10 07.450 +29 33 55.08 V C57
2022-01-02 06:13:53 s 1 +173951.55 4 +211557.66 8750.0 C57
2022-01-02 06:33:53 S 07 10 04.490 +29 34 30.83 V C57
2022-01-02 06:33:53 s 1 +173691.22 7 +212835.05 1780.0 C57
2022-01-02 06:43:53 S 07 10 03.211 +29 34 46.99 V C57
2022-01-02 06:43:53 s 1 +173559.40 4 +213471.75 6670.0 C57
2022-01-02 06:53:53 S 07 10 01.915 +29 35 07.84 V C57
2022-01-02 06:53:53 s 1 +173426.48 1 +214107.10 7170.0 C57
2022-01-02 07:03:53 S 07 10 00.163 +29 35 28.54 V C57
2022-01-02 07:03:53 s 1 +173292.46 3 +214741.12 3310.0 C57
2022-01-02 07:13:53 S 07 09 58.634 +29 35 48.41 V C57
2022-01-02 07:13:53 s 1 +173157.35 6 +215373.81 5110.0 C57
2022-01-02 07:23:53 S 07 09 57.082 +29 36 06.05 V C57
2022-01-02 07:23:53 s 1 +173021.16 5 +216005.17 2580.0 C57
2022-01-02 07:33:53 S 07 09 55.942 +29 36 22.28 V C57
2022-01-02 07:33:53 s 1 +172883.89 5 +216635.19 5760.0 C57
2022-01-02 07:43:53 S 07 09 54.787 +29 36 38.74 V C57
2022-01-02 07:43:53 s 1 +172745.55 0 +217263.89 4660.0 C57
2022-01-02 07:53:53 S 07 09 52.884 +29 36 57.82 V C57
2022-01-02 07:53:53 s 1 +172606.13 7 +217891.26 9300.0 C57
2022-01-02 08:03:53 S 07 09 51.374 +29 37 16.64 V C57
2022-01-02 08:03:53 s 1 +172465.65 9 +218517.31 9710.0 C57
2022-01-02 08:13:53 S 07 09 50.395 +29 37 31.15 V C57
2022-01-02 08:13:53 s 1 +172324.12 3 +219142.03 5900.0 C57
2022-01-02 08:23:53 S 07 09 48.384 +29 37 54.48 V C57
2022-01-02 08:23:53 s 1 +172181.53 2 +219765.42 7900.0 C57
2022-01-02 08:33:53 S 07 09 47.280 +29 38 13.67 V C57
2022-01-02 08:33:53 s 1 +172037.89 2 +220387.50 5720.0 C57
2022-01-02 08:53:53 S 07 09 44.755 +29 38 51.58 V C57