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
2021-12-26 19:03:53 s 1 -151422.76 3 +277105.50 4460.0 C57
2021-12-26 19:13:53 S 07 32 48.862 +24 11 18.35 V C57
2021-12-26 19:13:53 s 1 -151657.47 0 +276620.88 7480.0 C57
2021-12-26 19:15:35 C 07 32 54.55 +24 08 14.3 V D29
2021-12-26 19:23:53 S 07 32 47.143 +24 11 36.78 V C57
2021-12-26 19:23:53 s 1 -151891.53 1 +276135.10 7400.0 C57
2021-12-26 19:33:53 S 07 32 45.636 +24 12 02.12 V C57
2021-12-26 19:33:53 s 1 -152124.94 4 +275648.14 4220.0 C57
2021-12-26 19:43:53 S 07 32 43.884 +24 12 23.90 V C57
2021-12-26 19:43:53 s 1 -152357.70 5 +275160.01 7930.0 C57
2021-12-26 19:53:53 S 07 32 42.372 +24 12 48.20 V C57
2021-12-26 19:53:53 s 1 -152589.81 2 +274670.71 8510.0 C57
2021-12-26 20:03:53 S 07 32 40.639 +24 13 06.42 V C57
2021-12-26 20:03:53 s 1 -152821.26 3 +274180.24 5960.0 C57
2021-12-26 20:13:53 S 07 32 38.688 +24 13 33.38 V C57
2021-12-26 20:13:53 s 1 -153052.05 4 +273688.59 260.0 C57
2021-12-26 20:23:53 S 07 32 37.265 +24 13 55.52 V C57
2021-12-26 20:23:53 s 1 -153282.18 3 +273195.77 1390.0 C57
2021-12-26 20:33:53 S 07 32 35.494 +24 14 19.32 V C57
2021-12-26 20:33:53 s 1 -153511.64 6 +272701.78 9350.0 C57
2021-12-26 20:43:53 S 07 32 33.938 +24 14 40.92 V C57
2021-12-26 20:43:53 s 1 -153740.44 2 +272206.60 4130.0 C57
2021-12-26 20:53:53 S 07 32 32.165 +24 15 03.42 V C57
2021-12-26 20:53:53 s 1 -153968.56 8 +271710.25 5700.0 C57
2021-12-26 21:03:53 S 07 32 30.382 +24 15 29.74 V C57
2021-12-26 21:03:53 s 1 -154196.02 0 +271212.72 4070.0 C57
2021-12-26 21:13:53 S 07 32 28.699 +24 15 48.17 V C57
2021-12-26 21:13:53 s 1 -154422.79 6 +270714.00 9210.0 C57
2021-12-26 21:23:53 S 07 32 27.334 +24 16 12.04 V C57
2021-12-26 21:23:53 s 1 -154648.89 3 +270214.11 1110.0 C57
2021-12-26 21:33:53 S 07 32 25.375 +24 16 34.93 V C57
2021-12-26 21:33:53 s 1 -154874.30 7 +269713.03 9770.0 C57
2021-12-26 21:43:53 S 07 32 23.198 +24 17 04.31 V C57
2021-12-26 21:43:53 s 1 -155099.03 8 +269210.77 5160.0 C57
2021-12-26 21:53:53 S 07 32 22.466 +24 17 21.44 V C57
2021-12-26 21:53:53 s 1 -155323.08 0 +268707.33 7280.0 C57
2021-12-26 22:03:53 S 07 32 20.513 +24 17 48.88 V C57
2021-12-26 22:03:53 s 1 -155546.43 2 +268202.70 6110.0 C57
2021-12-26 22:23:53 S 07 32 17.525 +24 18 31.86 V C57
2021-12-26 22:23:53 s 1 -155991.05 2 +267189.88 3860.0 C57
2021-12-26 22:53:53 S 07 32 11.774 +24 19 42.53 V C57
2021-12-26 22:53:53 s 1 -156652.73 0 +265661.72 490.0 C57
2021-12-26 23:03:53 S 07 32 10.169 +24 20 04.74 V C57
2021-12-26 23:03:53 s 1 -156871.87 7 +265149.96 9320.0 C57
2021-12-26 23:13:53 S 07 32 08.626 +24 20 26.66 V C57
2021-12-26 23:13:53 s 1 -157090.31 3 +264637.00 4770.0 C57
2021-12-26 23:23:53 S 07 32 06.830 +24 20 47.47 V C57
2021-12-26 23:23:53 s 1 -157308.03 4 +264122.84 6830.0 C57
2021-12-26 23:33:53 S 07 32 05.388 +24 21 12.42 V C57
2021-12-26 23:33:53 s 1 -157525.03 8 +263607.49 5480.0 C57