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
2015-12-02 04:36:02 C 02 21 51.13 -05 23 34.2 R G45
2015-12-02 04:43:27 C 02 21 52.80 -05 23 53.2 R G45
2015-12-02 04:50:46 C 02 21 54.43 -05 24 12.0 R G45
2015-12-02 04:57:37 C 02 21 55.94 -05 24 29.6 R G45
2015-12-02 05:08:32 C 02 21 58.42 -05 24 57.3 R G45
2015-12-02 05:15:45 C 02 22 00.08 -05 25 15.7 R G45
2015-12-02 05:23:08 C 02 22 01.69 -05 25 34.5 R G45
2015-12-02 05:30:36 C 02 22 03.36 -05 25 53.2 R G45
2015-12-03 03:44:46 C 02 26 57.41 -06 17 54.9 u H21
2015-12-03 03:46:51 C 02 26 57.81 -06 17 59.5 u H21
2015-12-03 03:48:55 C 02 26 58.23 -06 18 04.0 u H21
2015-12-03 03:50:40 C 02 26 58.56 -06 18 07.6 u H21
2015-12-03 04:51:53 C 02 27 11.58 -06 20 13.1 q 703
2015-12-03 04:59:05 C 02 27 12.82 -06 20 29.9 q 703
2015-12-03 05:06:18 C 02 27 14.21 -06 20 45.1 q 703
2015-12-03 05:13:31 C 02 27 15.63 -06 21 00.6 q 703
2015-12-03 05:13:57 C 02 27 15.68 -06 21 01.2 o 926
2015-12-03 05:24:40 C 02 27 17.76 -06 21 23.9 o 926
2015-12-03 05:32:15 C 02 27 19.21 -06 21 40.8 q 703
2015-12-03 05:33:38 C 02 27 19.50 -06 21 42.9 o 926
2015-12-03 05:38:44 C 02 27 20.44 -06 21 54.4 q 703
2015-12-03 05:45:14 C 02 27 21.72 -06 22 08.2 q 703
2015-12-03 08:25:01 C 02 27 54.20 -06 27 35.6 L T05
2015-12-03 08:47:48 C 02 27 58.49 -06 28 22.7 L T05
2015-12-03 09:12:00 C 02 28 03.05 -06 29 13.4 L T05
2015-12-03 09:24:52 C 02 28 05.44 -06 29 39.7 L T05
2015-12-03 10:41:17 C 02 28 22.21 -06 31 40.5 u Q60
2015-12-03 10:54:37 C 02 28 24.71 -06 32 07.7 u Q60
2015-12-03 11:07:53 C 02 28 27.18 -06 32 34.7 u Q60
2015-12-03 19:54:00 C 02 30 08.47 -06 50 46.4 q 246
2015-12-03 19:54:21 C 02 30 08.54 -06 50 47.1 q 246
2015-12-03 19:54:56 C 02 30 08.64 -06 50 47.9 q 246
2015-12-03 19:55:26 C 02 30 08.72 -06 50 48.8 q 246
2015-12-03 19:56:17 C 02 30 08.89 -06 50 50.9 q 246
2015-12-03 19:56:56 C 02 30 08.98 -06 50 52.2 q 246
2015-12-03 19:57:13 C 02 30 09.04 -06 50 52.7 q 246
2015-12-03 19:58:44 C 02 30 09.29 -06 50 55.2 q 246
2015-12-04 01:59:07 C 02 31 15.78 -07 01 22.5 u 807
2015-12-04 02:01:39 C 02 31 16.22 -07 01 26.4 u 807
2015-12-04 02:04:22 C 02 31 16.69 -07 01 31.3 u 807
2015-12-04 02:07:03 C 02 31 17.15 -07 01 36.2 u 807
2015-12-04 02:09:25 C 02 31 17.55 -07 01 40.6 u 807
2015-12-04 04:20:19 C 02 31 41.44 -07 06 18.6 o 691
2015-12-04 04:23:14 C 02 31 41.96 -07 06 24.1 o 691
2015-12-05 21:15:21 C 02 38 18.21 -08 10 45.1 q 246
2015-12-05 21:16:58 C 02 38 18.46 -08 10 45.7 q 246
2015-12-05 21:17:25 C 02 38 18.54 -08 10 47.4 q 246
2015-12-05 21:18:10 C 02 38 18.62 -08 10 48.2 q 246
2015-12-05 21:18:29 C 02 38 18.67 -08 10 49.5 q 246
2015-12-05 21:18:48 C 02 38 18.76 -08 10 48.9 q 246