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
2015-11-20 06:57:04 S 20 59 57.94 +37 47 10.3 L C51
2015-11-27 23:52:16 C 01 46 47.27 +01 17 03.1 o Z22
2015-11-28 00:02:15 C 01 46 52.23 +01 16 03.4 o Z22
2015-11-28 00:13:05 C 01 46 57.50 +01 14 58.6 o Z22
2015-11-28 07:36:22 C 01 50 37.706 +00 32 20.45 L F51
2015-11-28 07:53:03 C 01 50 45.316 +00 30 47.44 L F51
2015-11-28 08:26:13 C 01 51 00.412 +00 27 42.94 L F51
2015-11-28 12:17:08 C 01 52 47.59 +00 07 41.7 q Q62
2015-11-28 12:20:05 C 01 52 48.90 +00 07 25.6 q Q62
2015-11-28 12:23:04 C 01 52 50.21 +00 07 09.8 q Q62
2015-11-28 13:31:29 C 01 53 21.06 -00 00 05.9 q 900
2015-11-28 13:36:46 C 01 53 23.36 -00 00 34.4 q 900
2015-11-28 13:42:04 C 01 53 25.68 -00 01 02.1 q 900
2015-11-28 14:45:41 C 01 53 53.56 -00 06 36.0 o 300
2015-11-28 14:47:30 C 01 53 54.32 -00 06 45.7 o 300
2015-11-28 14:49:20 C 01 53 55.16 -00 06 55.2 o 300
2015-11-28 14:52:54 C 01 53 56.62 -00 07 13.8 o 300
2015-11-28 14:54:44 C 01 53 57.41 -00 07 24.0 o 300
2015-11-28 14:59:24 C 01 53 59.49 -00 07 47.3 o 300
2015-11-28 15:07:20 C 01 54 02.93 -00 08 28.6 o 300
2015-11-28 15:12:48 C 01 54 05.30 -00 08 57.1 o 300
2015-11-28 15:16:59 C 01 54 07.07 -00 09 19.4 o 300
2015-11-28 15:27:22 C 01 54 11.59 -00 10 14.2 o 300
2015-11-28 15:35:08 C 01 54 14.92 -00 10 53.5 o 300
2015-11-28 15:42:52 C 01 54 18.30 -00 11 34.0 o 300
2015-11-28 15:53:11 C 01 54 22.76 -00 12 27.7 o 300
2015-11-28 16:06:04 C 01 54 28.34 -00 13 34.0 o 300
2015-11-28 16:39:29 C 01 54 42.75 -00 16 26.1 o 300
2015-11-28 16:45:32 C 01 54 45.44 -00 16 57.9 o 300
2015-11-28 17:45:17 C 01 55 16.94 -00 22 14.0 q K30
2015-11-28 17:56:17 C 01 55 21.60 -00 23 09.7 q K30
2015-11-28 17:56:24 C 01 55 21.68 -00 23 09.7 16.9 t B04
2015-11-28 18:05:06 C 01 55 25.34 -00 23 54.3 q K30
2015-11-28 18:12:34 C 01 55 28.56 -00 24 31.4 17.1 t B04
2015-11-28 18:15:39 C 01 55 29.88 -00 24 45.9 q C77
2015-11-28 18:16:36 C 01 55 30.27 -00 24 51.0 16.4 t B04
2015-11-28 18:17:54 C 01 55 30.90 -00 24 56.9 q C77
2015-11-28 18:20:16 C 01 55 31.87 -00 25 09.5 q C77
2015-11-28 18:22:40 C 01 55 32.84 -00 25 22.5 17.2 t B04
2015-11-28 18:22:44 C 01 55 32.88 -00 25 21.9 q C77
2015-11-28 18:38:59 C 01 55 40.39 -00 26 38.7 q I89
2015-11-28 18:40:16 C 01 55 40.91 -00 26 45.2 q I89
2015-11-28 18:42:48 C 01 55 41.99 -00 26 58.1 q I89
2015-11-28 20:13:22 C 01 56 18.94 -00 34 36.5 q 160
2015-11-28 20:15:58 C 01 56 20.04 -00 34 49.5 q 160
2015-11-28 20:19:02 C 01 56 21.31 -00 35 04.7 q 160
2015-11-28 20:22:06 C 01 56 22.57 -00 35 19.8 q 160
2015-11-28 20:24:41 C 01 56 24.44 -00 35 27.9 q I89
2015-11-28 20:29:26 C 01 56 26.42 -00 35 51.6 q I89
2015-11-28 20:33:49 C 01 56 27.25 -00 36 19.9 t 595