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
2025-02-16 06:53:00 C 06 18 43.424 +41 48 02.76 X F52
2025-02-24 03:51:35 C 06 20 01.198 +41 51 08.53 V G96
2025-02-24 04:34:50 C 06 20 01.766 +41 51 07.88 V G96
2025-02-24 04:42:30 C 06 20 01.910 +41 51 07.88 V G96
2025-02-24 04:50:10 C 06 20 01.993 +41 51 07.52 V G96
2025-02-24 05:18:50 C 06 20 02.346 +41 51 07.13 V V00
2025-02-24 05:26:57 C 06 20 02.447 +41 51 07.02 V V00
2025-02-24 05:35:01 C 06 20 02.544 +41 51 06.91 V V00
2025-02-24 05:43:07 C 06 20 02.656 +41 51 06.77 V V00
2025-02-25 07:07:56 C 06 20 26.269 +41 50 53.78 X F51
2025-02-25 07:42:43 C 06 20 26.760 +41 50 53.17 X F51
2025-02-25 08:04:36 C 06 20 27.079 +41 50 52.89 X F51