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
2021-12-24 20:13:53 s 1 -67566.879 0 +370111.20 2940.0 C57
2021-12-24 20:23:53 S 07 40 46.046 +22 18 35.86 V C57
2021-12-24 20:23:53 s 1 -67907.496 0 +369924.17 8040.0 C57
2021-12-24 20:33:53 S 07 40 44.294 +22 19 03.04 V C57
2021-12-24 20:33:53 s 1 -68247.931 0 +369736.16 2120.0 C57
2021-12-24 20:43:53 S 07 40 42.607 +22 19 31.01 V C57
2021-12-24 20:43:53 s 1 -68588.184 0 +369547.16 5170.0 C57
2021-12-24 20:53:53 S 07 40 41.083 +22 19 54.41 V C57
2021-12-24 20:53:53 s 1 -68928.253 0 +369357.18 7180.0 C57
2021-12-24 21:03:53 S 07 40 39.240 +22 20 20.54 V C57
2021-12-24 21:03:53 s 1 -69268.138 0 +369166.22 8150.0 C57
2021-12-24 21:13:53 S 07 40 37.615 +22 20 43.91 V C57
2021-12-24 21:13:53 s 1 -69607.837 0 +368974.27 8070.0 C57
2021-12-24 21:23:53 S 07 40 35.858 +22 21 09.97 V C57
2021-12-24 21:23:53 s 1 -69947.350 0 +368781.34 6940.0 C57
2021-12-24 21:33:53 S 07 40 34.042 +22 21 33.84 V C57
2021-12-24 21:33:53 s 1 -70286.675 0 +368587.42 4760.0 C57
2021-12-24 21:43:53 S 07 40 32.674 +22 22 00.16 V C57
2021-12-24 21:43:53 s 1 -70625.811 0 +368392.51 1510.0 C57
2021-12-24 21:53:53 S 07 40 30.617 +22 22 26.76 V C57
2021-12-24 21:53:53 s 1 -70964.758 0 +368196.62 7200.0 C57
2021-12-24 22:03:53 S 07 40 28.802 +22 22 51.67 V C57
2021-12-24 22:03:53 s 1 -71303.513 0 +367999.75 1810.0 C57
2021-12-24 22:13:53 S 07 40 27.216 +22 23 12.91 V C57
2021-12-24 22:13:53 s 1 -71642.076 0 +367801.89 5350.0 C57
2021-12-24 22:23:53 S 07 40 25.596 +22 23 36.96 V C57
2021-12-24 22:23:53 s 1 -71980.446 0 +367603.04 7810.0 C57
2021-12-24 22:33:53 S 07 40 23.858 +22 24 03.82 V C57
2021-12-24 22:33:53 s 1 -72318.622 0 +367403.20 9190.0 C57
2021-12-24 22:43:53 S 07 40 21.979 +22 24 28.15 V C57
2021-12-24 22:43:53 s 1 -72656.602 0 +367202.38 9470.0 C57
2021-12-24 23:03:53 S 07 40 18.845 +22 25 18.44 V C57
2021-12-24 23:03:53 s 1 -73331.972 0 +366797.77 6760.0 C57
2021-12-24 23:13:53 S 07 40 16.992 +22 25 42.46 V C57
2021-12-24 23:13:53 s 1 -73669.359 0 +366593.98 3740.0 C57
2021-12-24 23:23:53 S 07 40 15.310 +22 26 09.82 V C57
2021-12-24 23:23:53 s 1 -74006.547 0 +366389.20 9620.0 C57
2021-12-24 23:33:53 S 07 40 13.668 +22 26 34.12 V C57
2021-12-24 23:33:53 s 1 -74343.534 0 +366183.44 4380.0 C57
2021-12-24 23:43:53 S 07 40 11.962 +22 26 59.42 V C57
2021-12-24 23:43:53 s 1 -74680.318 0 +365976.68 8030.0 C57
2021-12-24 23:53:53 S 07 40 10.006 +22 27 24.59 V C57
2021-12-24 23:53:53 s 1 -75016.900 0 +365768.94 540.0 C57
2021-12-25 00:13:53 S 07 40 06.643 +22 28 13.08 V C57
2021-12-25 00:13:53 s 1 -75689.448 0 +365350.48 2190.0 C57
2021-12-25 00:23:53 S 07 40 04.829 +22 28 39.11 V C57
2021-12-25 00:23:53 s 1 -76025.414 0 +365139.76 1310.0 C57
2021-12-25 00:33:53 S 07 40 03.562 +22 28 58.04 V C57
2021-12-25 00:33:53 s 1 -76361.171 0 +364928.05 9280.0 C57
2021-12-25 00:43:53 S 07 40 01.718 +22 29 26.45 V C57