2015 WK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3959734106 ± 2.25e-05
Semi-major axis (a)1.6822709927 AU ± 6.49e-05
Inclination (i)2.28785697° ± 1.19e-04
Long. of Asc. Node (Ω)178.90740771° ± 1.74e-04
Arg. of Perihelion (ω)272.23618797° ± 1.32e-04
Mean Anomaly (M)196.19836201° ± 9.56e-02
Mean Motion (n)0.4517189827°/day ± 2.61e-05
Perihelion dist (q)1.01613641 AU ± 5.44e-05
Aphelion dist (Q)2.34840558 AU ± 9.81e-05
Orbital Period2.18194568 yr ± 1.26e-04
Physical Parameters
H (abs. magnitude)25.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.357″
Uncertainty2
Orbit TypeApollo
MOID0.051060 AU
Observations Used69
Oppositions1
Arc Total2015-2016
First Observation Used2015-11-17
Last Observation Used2016-02-02
Observations (69)
Date Type RA Dec Mag Band Observatory
2015-12-10 14:00:04 C 05 55 19.75 -22 44 14.1 t 474
2015-12-29 05:36:23 C 09 17 54.37 -21 22 30.4 u 807
2015-12-29 05:44:12 C 09 17 56.44 -21 22 21.5 u 807
2015-12-29 05:52:15 C 09 17 58.53 -21 22 12.7 u 807
2016-01-09 06:09:14 C 10 12 20.84 -15 45 28.6 u 807
2016-01-09 06:19:35 C 10 12 21.98 -15 45 15.3 u 807
2016-01-09 06:29:36 C 10 12 23.09 -15 45 03.0 u 807
2016-01-10 06:54:52 C 10 15 34.59 -15 14 46.6 u 807
2016-01-10 07:04:25 C 10 15 35.57 -15 14 35.2 u 807
2016-01-10 07:13:57 C 10 15 36.57 -15 14 24.3 u 807
2016-01-15 05:16:00 C 10 28 02.89 -12 51 19.1 u 807
2016-01-15 05:29:00 C 10 28 03.77 -12 51 03.8 u 807
2016-01-15 05:41:34 C 10 28 04.59 -12 50 49.9 u 807
2016-01-18 08:07:17 C 10 33 42.20 -11 24 43.5 o 291
2016-01-18 08:18:09 C 10 33 42.76 -11 24 31.8 o 291
2016-01-18 08:29:00 C 10 33 43.27 -11 24 19.5 o 291
2016-02-02 04:38:04 C 10 44 46.80 -04 48 24.3 u 807
2016-02-02 04:50:57 C 10 44 46.63 -04 48 10.9 u 807
2016-02-02 05:03:25 C 10 44 46.52 -04 47 58.2 u 807