2001 WK15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1368137109 ± 3.02e-08
Semi-major axis (a)1.1407970218 AU ± 2.70e-09
Inclination (i)24.51073127° ± 2.05e-05
Long. of Asc. Node (Ω)66.33286106° ± 9.58e-06
Arg. of Perihelion (ω)99.92028055° ± 4.26e-05
Mean Anomaly (M)164.42478201° ± 5.79e-05
Mean Motion (n)0.8089090757°/day ± 2.87e-09
Perihelion dist (q)0.98472035 AU ± 3.46e-08
Aphelion dist (Q)1.29687370 AU ± 3.46e-08
Orbital Period1.21846362 yr ± 4.32e-09
Physical Parameters
H (abs. magnitude)21.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.561″
Uncertainty0
Orbit TypeApollo
MOID0.076060 AU
Observations Used61
Oppositions3
Arc Total2001-2018
First Observation Used2001-11-21
Last Observation Used2018-12-14
Observations (62)
Date Type RA Dec Mag Band Observatory
2013-06-04 10:17:23 C 21 58 54.53 -50 37 47.6 u 807
2013-06-04 10:20:55 C 21 58 55.04 -50 38 00.5 u 807
2013-06-04 10:24:26 C 21 58 55.53 -50 38 13.4 u 807
2018-11-07 02:20:18 C 02 39 14.89 -34 58 44.2 u 807
2018-11-07 02:26:49 C 02 39 13.65 -34 58 34.7 u 807
2018-11-07 02:33:30 C 02 39 12.37 -34 58 25.1 u 807
2018-11-08 05:41:34 C 02 34 13.42 -34 16 38.6 u 807
2018-11-08 05:46:30 C 02 34 12.49 -34 16 30.6 u 807
2018-11-08 05:52:08 C 02 34 11.44 -34 16 21.2 u 807
2018-12-14 02:42:18 C 00 46 30.09 +03 45 19.4 V G96
2018-12-14 02:50:22 C 00 46 29.67 +03 45 40.8 V G96
2018-12-14 02:58:27 C 00 46 29.20 +03 46 03.0 V G96