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 16:03:53 S 07 05 16.198 +30 33 19.33 V C57
2022-01-03 16:03:53 s 1 +130414.78 1 +315739.97 1120.0 C57
2022-01-03 16:13:53 S 07 05 15.427 +30 33 40.64 V C57
2022-01-03 16:13:53 s 1 +130136.07 0 +316134.15 7440.0 C57
2022-01-03 16:23:53 S 07 05 13.670 +30 33 54.29 V C57
2022-01-03 16:23:53 s 1 +129856.89 2 +316527.24 2050.0 C57
2022-01-03 16:43:53 S 07 05 10.661 +30 34 29.89 V C57
2022-01-03 16:43:53 s 1 +129297.15 9 +317310.16 6220.0 C57
2022-01-03 16:53:53 S 07 05 09.067 +30 34 47.24 V C57
2022-01-03 16:53:53 s 1 +129016.59 8 +317699.96 5750.0 C57
2022-01-03 17:03:53 S 07 05 07.999 +30 35 01.72 V C57
2022-01-03 17:03:53 s 1 +128735.58 8 +318088.70 3640.0 C57
2022-01-03 17:13:53 S 07 05 06.641 +30 35 21.95 V C57
2022-01-03 17:13:53 s 1 +128454.11 5 +318476.33 9840.0 C57
2022-01-03 17:23:53 S 07 05 05.016 +30 35 30.16 V C57
2022-01-03 17:23:53 s 1 +128172.18 8 +318862.87 4370.0 C57
2022-01-03 17:33:53 S 07 05 03.466 +30 35 50.60 V C57
2022-01-03 17:33:53 s 1 +127889.81 6 +319248.35 7270.0 C57
2022-01-03 17:43:53 S 07 05 02.134 +30 36 09.58 V C57
2022-01-03 17:43:53 s 1 +127606.98 9 +319632.72 8510.0 C57
2022-01-03 17:53:53 S 07 05 00.612 +30 36 27.90 V C57
2022-01-03 17:53:53 s 1 +127323.71 1 +320015.99 8100.0 C57
2022-01-03 18:03:53 S 07 04 59.146 +30 36 42.88 V C57
2022-01-03 18:03:53 s 1 +127039.99 6 +320398.21 6100.0 C57
2022-01-03 18:13:53 S 07 04 57.554 +30 36 59.69 V C57
2022-01-03 18:13:53 s 1 +126755.82 9 +320779.32 2450.0 C57
2022-01-03 18:23:53 S 07 04 56.570 +30 37 19.13 V C57
2022-01-03 18:23:53 s 1 +126471.21 9 +321159.35 7170.0 C57
2022-01-03 18:33:53 S 07 04 54.967 +30 37 29.32 V C57
2022-01-03 18:33:53 s 1 +126186.17 5 +321538.31 330.0 C57
2022-01-03 18:43:53 S 07 04 53.254 +30 37 48.32 V C57
2022-01-03 18:43:53 s 1 +125900.68 6 +321916.18 1860.0 C57
2022-01-03 18:53:53 S 07 04 51.614 +30 38 04.85 V C57
2022-01-03 18:53:53 s 1 +125614.75 9 +322292.96 1790.0 C57
2022-01-03 19:03:53 S 07 04 50.724 +30 38 22.85 V C57
2022-01-03 19:03:53 s 1 +125328.40 3 +322668.68 160.0 C57
2022-01-03 19:13:53 S 07 04 49.174 +30 38 42.22 V C57
2022-01-03 19:13:53 s 1 +125041.60 8 +323043.30 6940.0 C57
2022-01-03 19:23:53 S 07 04 47.772 +30 38 53.74 V C57
2022-01-03 19:23:53 s 1 +124754.38 0 +323416.85 2150.0 C57
2022-01-03 19:43:53 S 07 04 45.067 +30 39 28.04 V C57
2022-01-03 19:43:53 s 1 +124178.64 3 +324160.73 7910.0 C57
2022-01-03 19:53:53 S 07 04 43.368 +30 39 44.06 V C57
2022-01-03 19:53:53 s 1 +123890.13 0 +324531.04 8450.0 C57
2022-01-03 20:03:53 S 07 04 42.050 +30 40 00.73 V C57
2022-01-03 20:03:53 s 1 +123601.19 9 +324900.30 7480.0 C57
2022-01-03 20:23:53 S 07 04 39.319 +30 40 37.52 V C57
2022-01-03 20:23:53 s 1 +123022.05 6 +325635.56 910.0 C57
2022-01-03 20:33:53 S 07 04 37.896 +30 40 56.06 V C57
2022-01-03 20:33:53 s 1 +122731.86 1 +326001.60 5360.0 C57