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
2022-01-06 16:53:53 s 1 -16525.901 0 +392508.06 8010.0 C57
2022-01-06 17:03:53 S 06 55 03.120 +32 24 34.96 V C57
2022-01-06 17:03:53 s 1 -16885.564 0 +392476.85 5970.0 C57
2022-01-06 17:23:53 S 06 55 00.893 +32 25 02.57 V C57
2022-01-06 17:23:53 s 1 -17604.809 0 +392411.70 650.0 C57
2022-01-06 17:53:53 S 06 54 56.729 +32 25 49.19 V C57
2022-01-06 17:53:53 s 1 -18683.462 0 +392307.08 9520.0 C57
2022-01-06 18:23:53 S 06 54 52.495 +32 26 27.85 V C57
2022-01-06 18:23:53 s 1 -19761.838 0 +392194.22 4520.0 C57
2022-01-06 18:33:53 S 06 54 51.146 +32 26 39.41 V C57
2022-01-06 18:33:53 s 1 -20121.230 0 +392154.76 8640.0 C57
2022-01-06 18:43:53 S 06 54 49.627 +32 26 57.37 V C57
2022-01-06 18:43:53 s 1 -20480.589 0 +392114.39 2310.0 C57
2022-01-06 19:03:53 S 06 54 46.879 +32 27 21.13 V C57
2022-01-06 19:03:53 s 1 -21199.200 0 +392030.90 8300.0 C57
2022-01-06 19:13:53 S 06 54 45.619 +32 27 37.33 V C57
2022-01-06 19:13:53 s 1 -21558.450 0 +391987.78 620.0 C57
2022-01-06 19:23:53 S 06 54 44.213 +32 27 43.24 V C57
2022-01-06 19:23:53 s 1 -21917.663 0 +391943.74 2470.0 C57
2022-01-06 19:33:53 S 06 54 43.109 +32 27 56.74 V C57
2022-01-06 19:33:53 s 1 -22276.837 0 +391898.78 3850.0 C57
2022-01-06 20:53:53 S 06 54 31.754 +32 29 51.36 V C57
2022-01-06 20:53:53 s 1 -25148.741 0 +391506.13 7740.0 C57
2022-01-06 21:13:53 S 06 54 29.302 +32 30 15.66 V C57
2022-01-06 21:13:53 s 1 -25866.271 0 +391398.80 1290.0 C57
2022-01-06 21:43:53 S 06 54 25.524 +32 31 03.68 V C57
2022-01-06 21:43:53 s 1 -26942.204 0 +391230.93 7810.0 C57
2022-01-06 23:03:53 S 06 54 14.467 +32 32 51.47 V C57
2022-01-06 23:03:53 s 1 -29809.070 0 +390742.91 8720.0 C57
2022-01-06 23:23:53 S 06 54 12.506 +32 33 17.93 V C57
2022-01-06 23:23:53 s 1 -30525.228 0 +390611.73 8530.0 C57
2022-01-06 23:53:53 S 06 54 07.536 +32 33 52.27 V C57
2022-01-06 23:53:53 s 1 -31599.020 0 +390408.08 4050.0 C57
2022-01-07 00:03:53 S 06 54 06.444 +32 34 03.50 V C57
2022-01-07 00:03:53 s 1 -31956.827 0 +390338.36 1420.0 C57
2022-01-07 00:13:53 S 06 54 05.412 +32 34 18.08 V C57
2022-01-07 00:13:53 s 1 -32314.573 0 +390267.73 8210.0 C57
2022-01-07 00:33:53 S 06 54 02.839 +32 34 47.10 V C57
2022-01-07 00:33:53 s 1 -33029.871 0 +390123.70 70.0 C57
2022-01-07 00:53:53 S 06 53 59.858 +32 35 08.30 V C57
2022-01-07 00:53:53 s 1 -33744.908 0 +389976.00 9590.0 C57
2022-01-07 01:03:53 S 06 53 58.279 +32 35 23.60 V C57
2022-01-07 01:03:53 s 1 -34102.327 0 +389900.78 3460.0 C57
2022-01-07 01:13:53 S 06 53 56.986 +32 35 38.80 V C57
2022-01-07 01:13:53 s 1 -34459.677 0 +389824.63 6740.0 C57
2022-01-07 01:23:53 S 06 53 56.138 +32 35 59.10 V C57
2022-01-07 01:23:53 s 1 -34816.959 0 +389747.57 9410.0 C57
2022-01-07 01:43:53 S 06 53 53.146 +32 36 26.89 V C57
2022-01-07 01:43:53 s 1 -35531.312 0 +389590.69 2940.0 C57
2022-01-07 02:23:53 S 06 53 47.208 +32 37 18.98 V C57