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
2021-12-28 13:53:53 s 1 -179483.77 7 +110959.81 2990.0 C57
2021-12-28 14:13:53 S 07 25 42.802 +25 46 14.88 V C57
2021-12-28 14:13:53 s 1 -179316.95 6 +109317.08 9810.0 C57
2021-12-28 14:23:53 S 07 25 41.146 +25 46 34.39 V C57
2021-12-28 14:23:53 s 1 -179230.15 1 +108493.64 2970.0 C57
2021-12-28 14:33:53 S 07 25 39.319 +25 46 56.82 V C57
2021-12-28 14:33:53 s 1 -179141.06 6 +107668.82 5890.0 C57
2021-12-28 14:43:53 S 07 25 38.395 +25 47 14.28 V C57
2021-12-28 14:43:53 s 1 -179049.68 6 +106842.63 8500.0 C57
2021-12-28 14:53:53 S 07 25 36.374 +25 47 32.68 V C57
2021-12-28 14:53:53 s 1 -178955.99 7 +106015.05 740.0 C57
2021-12-28 15:13:53 S 07 25 33.281 +25 48 18.54 V C57
2021-12-28 15:13:53 s 1 -178761.63 8 +104355.78 3900.0 C57
2021-12-28 15:23:53 S 07 25 32.122 +25 48 37.94 V C57
2021-12-28 15:23:53 s 1 -178660.93 8 +103524.09 4680.0 C57
2021-12-28 15:33:53 S 07 25 30.029 +25 48 56.88 V C57
2021-12-28 15:33:53 s 1 -178557.87 3 +102691.02 4850.0 C57
2021-12-28 15:43:53 S 07 25 28.498 +25 49 22.01 V C57
2021-12-28 15:43:53 s 1 -178452.42 7 +101856.59 4360.0 C57
2021-12-28 15:53:53 S 07 25 27.010 +25 49 42.78 V C57
2021-12-28 15:53:53 s 1 -178344.58 6 +101020.79 3120.0 C57
2021-12-28 16:03:53 S 07 25 25.212 +25 50 06.11 V C57
2021-12-28 16:03:53 s 1 -178234.33 6 +100183.63 1090.0 C57
2021-12-28 16:13:53 S 07 25 23.633 +25 50 24.90 V C57
2021-12-28 16:13:53 s 1 -178121.66 1 +99345.103 8190.0 C57
2021-12-28 16:23:53 S 07 25 22.008 +25 50 49.06 V C57
2021-12-28 16:23:53 s 1 -178006.54 7 +98505.214 4360.0 C57
2021-12-28 16:33:53 S 07 25 20.570 +25 51 05.58 V C57
2021-12-28 16:33:53 s 1 -177888.97 7 +97663.968 9540.0 C57
2021-12-28 16:43:53 S 07 25 19.018 +25 51 25.09 V C57
2021-12-28 16:43:53 s 1 -177768.93 7 +96821.365 3660.0 C57
2021-12-28 16:53:53 S 07 25 17.388 +25 51 48.46 V C57
2021-12-28 16:53:53 s 1 -177646.41 2 +95977.409 6660.0 C57
2021-12-28 17:03:53 S 07 25 15.691 +25 52 09.77 V C57
2021-12-28 17:03:53 s 1 -177521.38 6 +95132.101 8460.0 C57
2021-12-28 17:13:53 S 07 25 14.105 +25 52 21.61 V C57
2021-12-28 17:13:53 s 1 -177393.84 2 +94285.444 9000.0 C57
2021-12-28 17:23:53 S 07 25 12.722 +25 52 48.36 V C57
2021-12-28 17:23:53 s 1 -177263.76 6 +93437.440 8220.0 C57
2021-12-28 17:33:53 S 07 25 11.083 +25 53 12.77 V C57
2021-12-28 17:33:53 s 1 -177131.14 2 +92588.094 6040.0 C57
2021-12-28 17:43:53 S 07 25 09.173 +25 53 35.92 V C57
2021-12-28 17:43:53 s 1 -176995.95 3 +91737.406 2400.0 C57
2021-12-28 17:53:53 S 07 25 07.546 +25 53 53.66 V C57
2021-12-28 17:53:53 s 1 -176858.18 2 +90885.380 7220.0 C57
2021-12-28 18:03:53 S 07 25 06.211 +25 54 16.06 V C57
2021-12-28 18:03:53 s 1 -176717.81 5 +90032.019 440.0 C57
2021-12-28 18:13:53 S 07 25 04.915 +25 54 37.40 V C57
2021-12-28 18:13:53 s 1 -176574.83 4 +89177.326 1980.0 C57
2021-12-28 18:23:53 S 07 25 03.022 +25 55 02.21 V C57