2015 WH9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5902685400 ± 4.28e-08
Semi-major axis (a)3.1612783997 AU ± 1.50e-07
Inclination (i)11.29584242° ± 3.40e-06
Long. of Asc. Node (Ω)68.20479369° ± 1.19e-05
Arg. of Perihelion (ω)67.12916593° ± 3.17e-05
Mean Anomaly (M)265.53471450° ± 4.77e-05
Mean Motion (n)0.1753550027°/day ± 1.25e-08
Perihelion dist (q)1.29527521 AU ± 1.49e-07
Aphelion dist (Q)5.02728159 AU ± 2.74e-07
Orbital Period5.62074802 yr ± 3.99e-07
Physical Parameters
H (abs. magnitude)18.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.251″
Uncertainty0
Orbit TypeAmor
MOID0.368388 AU
Observations Used625
Oppositions6
Arc Total2015-2022
First Observation Used2015-11-22
Last Observation Used2022-06-06
Observations (644)
Date Type RA Dec Mag Band Observatory
2015-12-16 07:37:41 C 07 02 55.47 +35 15 18.6 u H21
2015-12-16 07:39:39 C 07 02 55.53 +35 15 21.0 u H21
2015-12-16 07:41:36 C 07 02 55.59 +35 15 23.2 u H21
2015-12-16 07:43:58 C 07 02 55.64 +35 15 26.1 u H21
2015-12-16 11:17:13 C 07 03 01.70 +35 19 33.4 q 703
2015-12-16 11:24:28 C 07 03 01.90 +35 19 41.4 q 703
2015-12-16 11:31:41 C 07 03 02.09 +35 19 49.3 q 703
2015-12-16 11:38:55 C 07 03 02.31 +35 19 57.9 q 703
2015-12-17 00:51:37 C 07 03 27.83 +35 35 19.9 r 106
2015-12-17 01:06:34 C 07 03 28.21 +35 35 37.6 r 106
2015-12-17 01:21:31 C 07 03 28.64 +35 35 54.7 r 106
2015-12-17 01:36:27 C 07 03 29.04 +35 36 12.2 r 106
2015-12-17 07:13:10 C 07 03 39.82 +35 42 49.3 u H21
2015-12-17 07:15:07 C 07 03 39.85 +35 42 51.7 u H21
2015-12-17 07:17:05 C 07 03 39.90 +35 42 53.8 u H21
2015-12-17 07:19:44 C 07 03 39.99 +35 42 56.9 u H21
2015-12-17 07:38:11 C 07 03 40.47 +35 43 18.9 u H21
2015-12-17 07:40:09 C 07 03 40.52 +35 43 21.2 u H21
2015-12-17 07:42:06 C 07 03 40.57 +35 43 23.6 u H21
2015-12-17 07:44:04 C 07 03 40.62 +35 43 25.8 u H21
2015-12-17 07:46:01 C 07 03 40.68 +35 43 28.1 u H21
2015-12-17 07:47:59 C 07 03 40.72 +35 43 30.4 u H21
2015-12-17 07:49:57 C 07 03 40.78 +35 43 32.7 u H21
2015-12-17 07:51:54 C 07 03 40.84 +35 43 35.1 u H21
2015-12-17 09:23:17 C 07 03 43.26 +35 45 22.5 q H45
2015-12-17 09:25:04 C 07 03 43.31 +35 45 24.6 q H45
2015-12-17 09:27:07 C 07 03 43.36 +35 45 27.2 q H45
2015-12-17 09:28:41 C 07 03 43.40 +35 45 29.2 q H45
2015-12-17 09:31:03 C 07 03 43.49 +35 45 31.7 q H45
2015-12-17 09:32:49 C 07 03 43.53 +35 45 33.8 q H45
2015-12-17 10:23:42 C 07 03 45.16 +35 46 35.1 u 926
2015-12-17 10:43:50 C 07 03 45.71 +35 46 58.5 u 926
2015-12-17 11:06:16 C 07 03 46.29 +35 47 24.5 u 926
2015-12-18 01:54:08 C 07 04 14.03 +36 04 51.9 t 130
2015-12-18 01:56:16 C 07 04 14.07 +36 04 54.1 t 130
2015-12-18 01:58:25 C 07 04 14.13 +36 04 57.0 t 130
2015-12-18 02:00:48 C 07 04 14.18 +36 04 59.6 t 130
2015-12-18 08:04:22 C 07 04 25.40 +36 12 14.7 u H21
2015-12-18 08:06:20 C 07 04 25.45 +36 12 16.8 u H21
2015-12-18 08:08:17 C 07 04 25.49 +36 12 19.2 u H21
2015-12-18 08:10:15 C 07 04 25.54 +36 12 21.7 u H21
2015-12-18 08:12:13 C 07 04 25.60 +36 12 23.9 u H21
2015-12-18 08:14:10 C 07 04 25.64 +36 12 26.3 u H21
2015-12-18 08:16:08 C 07 04 25.67 +36 12 28.5 u H21
2015-12-18 08:18:06 C 07 04 25.72 +36 12 31.0 u H21
2015-12-18 08:20:03 C 07 04 25.78 +36 12 33.0 u H21
2015-12-18 08:22:01 C 07 04 25.83 +36 12 35.3 u H21
2015-12-18 08:23:58 C 07 04 25.89 +36 12 38.0 u H21
2015-12-18 08:26:42 C 07 04 25.96 +36 12 41.1 u H21
2015-12-18 09:12:23 C 07 04 27.46 +36 13 37.6 R G45