IAA RAS IAA Minor Planet Database

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
2021-12-25 05:33:53 s 1 -86331.622 0 +358113.74 1490.0 – C57
2021-12-25 05:43:53 S 07 39 10.757 +22 41 48.08 – V C57
2021-12-25 05:43:53 s 1 -86660.368 0 +357871.09 1480.0 – C57
2021-12-25 05:53:53 S 07 39 08.738 +22 42 16.70 – V C57
2021-12-25 05:53:53 s 1 -86988.869 0 +357627.44 160.0 – C57
2021-12-25 06:03:53 S 07 39 07.250 +22 42 38.66 – V C57
2021-12-25 06:03:53 s 1 -87317.123 0 +357382.79 7520.0 – C57
2021-12-25 06:13:53 S 07 39 05.443 +22 43 00.59 – V C57
2021-12-25 06:13:53 s 1 -87645.130 0 +357137.12 3570.0 – C57
2021-12-25 06:23:53 S 07 39 03.677 +22 43 29.39 – V C57
2021-12-25 06:23:53 s 1 -87972.888 0 +356890.45 8290.0 – C57
2021-12-25 06:33:53 S 07 39 02.009 +22 43 53.65 – V C57
2021-12-25 06:33:53 s 1 -88300.396 0 +356642.78 1680.0 – C57
2021-12-25 06:43:53 S 07 39 00.336 +22 44 18.46 – V C57
2021-12-25 06:43:53 s 1 -88627.653 0 +356394.10 3730.0 – C57
2021-12-25 06:53:53 S 07 38 58.526 +22 44 42.76 – V C57
2021-12-25 06:53:53 s 1 -88954.657 0 +356144.41 4440.0 – C57
2021-12-25 07:03:53 S 07 38 56.911 +22 45 13.39 – V C57
2021-12-25 07:03:53 s 1 -89281.407 0 +355893.71 3810.0 – C57
2021-12-25 07:13:53 S 07 38 55.392 +22 45 35.14 – V C57
2021-12-25 07:13:53 s 1 -89607.903 0 +355642.00 1820.0 – C57
2021-12-25 07:23:53 S 07 38 53.383 +22 46 00.80 – V C57
2021-12-25 07:23:53 s 1 -89934.142 0 +355389.29 8480.0 – C57
2021-12-25 07:33:53 S 07 38 51.768 +22 46 21.40 – V C57
2021-12-25 07:33:53 s 1 -90260.124 0 +355135.56 3770.0 – C57
2021-12-25 07:43:53 S 07 38 49.944 +22 46 44.90 – V C57
2021-12-25 07:43:53 s 1 -90585.847 0 +354880.83 7700.0 – C57
2021-12-25 07:53:53 S 07 38 48.197 +22 47 05.10 – V C57
2021-12-25 07:53:53 s 1 -90911.310 0 +354625.08 250.0 – C57
2021-12-25 08:03:53 S 07 38 46.716 +22 47 32.03 – V C57
2021-12-25 08:03:53 s 1 -91236.513 0 +354368.33 1420.0 – C57
2021-12-25 08:13:53 S 07 38 44.950 +22 47 59.10 – V C57
2021-12-25 08:13:53 s 1 -91561.452 0 +354110.56 1210.0 – C57
2021-12-25 08:33:53 S 07 38 41.563 +22 48 42.62 – V C57
2021-12-25 08:33:53 s 1 -92210.539 0 +353591.99 6600.0 – C57
2021-12-25 08:53:53 S 07 38 37.997 +22 49 37.56 – V C57
2021-12-25 08:53:53 s 1 -92858.561 0 +353069.37 6380.0 – C57
2021-12-25 09:03:53 S 07 38 36.295 +22 50 01.72 – V C57
2021-12-25 09:03:53 s 1 -93182.169 0 +352806.54 9160.0 – C57
2021-12-25 09:13:53 S 07 38 34.654 +22 50 26.52 – V C57
2021-12-25 09:13:53 s 1 -93505.508 0 +352542.69 510.0 – C57
2021-12-25 09:23:53 S 07 38 33.127 +22 50 49.96 – V C57
2021-12-25 09:23:53 s 1 -93828.575 0 +352277.83 450.0 – C57
2021-12-25 09:33:53 S 07 38 31.294 +22 51 14.33 – V C57
2021-12-25 09:33:53 s 1 -94151.369 0 +352011.96 8950.0 – C57
2021-12-25 09:43:53 S 07 38 29.563 +22 51 39.46 – V C57
2021-12-25 09:43:53 s 1 -94473.889 0 +351745.07 6010.0 – C57
2021-12-25 09:53:53 S 07 38 28.085 +22 52 05.41 – V C57
2021-12-25 09:53:53 s 1 -94796.135 0 +351477.16 1640.0 – C57
2021-12-25 10:03:53 S 07 38 26.381 +22 52 26.58 – V C57