2015 WG9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6917121862 ± 2.14e-08
Semi-major axis (a)2.0323919467 AU ± 6.81e-09
Inclination (i)34.36399434° ± 1.41e-05
Long. of Asc. Node (Ω)239.33643830° ± 4.91e-06
Arg. of Perihelion (ω)90.02445028° ± 3.78e-06
Mean Anomaly (M)178.36549910° ± 4.29e-06
Mean Motion (n)0.3401739697°/day ± 1.71e-09
Perihelion dist (q)0.62656167 AU ± 4.35e-08
Aphelion dist (Q)3.43822222 AU ± 4.50e-08
Orbital Period2.89741829 yr ± 1.46e-08
Physical Parameters
H (abs. magnitude)20.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.299″
Uncertainty0
Orbit TypeApollo
MOID0.029625 AU
Observations Used309
Oppositions4
Arc Total2015-2021
First Observation Used2015-11-27
Last Observation Used2021-06-12
Observations (333)
Date Type RA Dec Mag Band Observatory
2015-12-05 21:19:12 C 02 38 18.77 -08 10 49.6 q 246
2015-12-06 01:05:01 C 02 38 52.38 -08 15 10.8 u 807
2015-12-06 01:08:21 C 02 38 52.82 -08 15 15.5 u 807
2015-12-06 01:11:51 C 02 38 53.32 -08 15 20.4 u 807
2015-12-06 01:15:03 C 02 38 53.74 -08 15 24.7 u 807
2015-12-06 01:18:34 C 02 38 54.24 -08 15 29.2 u 807
2015-12-06 02:33:13 C 02 39 05.53 -08 17 42.0 o 691
2015-12-06 02:36:08 C 02 39 05.93 -08 17 46.0 o 691
2015-12-06 02:39:21 C 02 39 06.38 -08 17 50.4 o 691
2015-12-06 03:47:19 C 02 39 14.74 -08 19 23.5 u H21
2015-12-06 03:50:26 C 02 39 15.16 -08 19 27.7 u H21
2015-12-06 03:53:32 C 02 39 15.57 -08 19 31.5 u H21
2015-12-06 03:56:38 C 02 39 15.99 -08 19 35.6 u H21
2015-12-06 03:59:45 C 02 39 16.42 -08 19 39.8 u H21
2015-12-06 04:02:51 C 02 39 16.84 -08 19 44.0 u H21
2015-12-06 04:05:57 C 02 39 17.26 -08 19 48.0 u H21
2015-12-06 04:09:04 C 02 39 17.67 -08 19 52.1 u H21
2015-12-06 04:12:11 C 02 39 18.09 -08 19 55.9 u H21
2015-12-06 04:15:23 C 02 39 18.52 -08 20 00.2 u H21
2015-12-07 18:49:34 C 02 44 21.05 -09 04 20.8 q 246
2015-12-07 18:49:58 C 02 44 21.11 -09 04 21.7 q 246
2015-12-07 18:51:06 C 02 44 21.23 -09 04 22.0 q 246
2015-12-07 18:51:22 C 02 44 21.28 -09 04 21.8 q 246
2015-12-07 18:51:44 C 02 44 21.39 -09 04 22.8 q 246
2015-12-07 18:52:00 C 02 44 21.33 -09 04 22.7 q 246
2015-12-08 02:49:59 C 02 45 18.12 -09 12 06.7 u 926
2015-12-08 03:03:16 C 02 45 19.56 -09 12 20.1 u 926
2015-12-08 03:16:49 C 02 45 21.06 -09 12 33.2 u 926
2015-12-09 02:04:11 C 02 47 52.91 -09 32 50.4 u H21
2015-12-09 02:07:11 C 02 47 53.21 -09 32 52.8 u H21
2015-12-09 02:10:12 C 02 47 53.50 -09 32 55.1 u H21
2015-12-09 02:11:42 C 02 47 53.64 -09 32 56.3 u H21
2015-12-09 02:16:12 C 02 47 54.10 -09 33 00.0 u H21
2015-12-09 02:19:12 C 02 47 54.39 -09 33 02.5 u H21
2015-12-09 02:22:11 C 02 47 54.69 -09 33 05.0 u H21
2015-12-09 02:25:47 C 02 47 55.06 -09 33 08.2 u H21
2015-12-09 04:32:58 C 02 48 07.18 -09 34 19.2 u 807
2015-12-09 04:36:24 C 02 48 07.52 -09 34 21.9 u 807
2015-12-09 04:39:59 C 02 48 07.87 -09 34 24.7 u 807
2015-12-09 04:43:14 C 02 48 08.20 -09 34 27.2 u 807
2015-12-09 04:46:52 C 02 48 08.56 -09 34 29.9 u 807
2015-12-09 07:29:47 C 02 48 26.951 -09 37 06.80 L F51
2015-12-09 07:47:12 C 02 48 28.630 -09 37 20.69 L F51
2015-12-09 08:04:45 C 02 48 30.322 -09 37 34.63 L F51
2015-12-09 08:22:13 C 02 48 32.006 -09 37 48.43 L F51
2015-12-10 03:38:17 C 02 50 28.63 -09 52 14.7 u H21
2015-12-10 03:47:05 C 02 50 29.43 -09 52 20.8 u H21
2015-12-10 03:50:42 C 02 50 29.75 -09 52 23.2 u H21
2015-12-11 03:43:50 C 02 52 44.31 -10 07 46.0 u H21
2015-12-11 03:48:29 C 02 52 44.72 -10 07 48.5 u H21