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
2015-12-03 10:50:57 C 06 51 53.14 +29 57 43.0 o 926
2015-12-03 11:14:15 C 06 51 54.01 +29 58 03.1 o 926
2015-12-05 08:30:40 C 06 53 41.72 +30 39 23.0 q H45
2015-12-05 08:33:12 C 06 53 41.78 +30 39 25.3 q H45
2015-12-05 08:35:11 C 06 53 41.90 +30 39 27.6 q H45
2015-12-05 08:36:55 C 06 53 41.93 +30 39 28.9 q H45
2015-12-05 08:38:38 C 06 53 41.99 +30 39 30.3 q H45
2015-12-05 08:40:23 C 06 53 42.07 +30 39 31.8 q H45
2015-12-06 06:39:27 C 06 54 33.31 +31 00 15.3 u H21
2015-12-06 06:42:24 C 06 54 33.41 +31 00 18.0 u H21
2015-12-06 06:45:20 C 06 54 33.52 +31 00 21.2 u H21
2015-12-06 06:48:17 C 06 54 33.62 +31 00 24.0 u H21
2015-12-06 06:51:13 C 06 54 33.74 +31 00 26.4 u H21
2015-12-06 06:54:21 C 06 54 33.83 +31 00 29.8 u H21
2015-12-06 10:52:47 C 06 54 42.29 +31 04 19.0 u 926
2015-12-06 11:13:01 C 06 54 42.96 +31 04 38.3 u 926
2015-12-06 11:33:45 C 06 54 43.68 +31 04 57.4 u 926
2015-12-07 08:37:45 C 06 55 31.84 +31 25 20.1 q H45
2015-12-07 08:40:06 C 06 55 31.91 +31 25 22.1 q H45
2015-12-07 08:42:02 C 06 55 31.94 +31 25 24.3 q H45
2015-12-07 08:43:50 C 06 55 32.04 +31 25 26.2 q H45
2015-12-07 08:45:42 C 06 55 32.09 +31 25 27.9 q H45
2015-12-07 08:47:25 C 06 55 32.12 +31 25 29.5 q H45
2015-12-07 22:12:04 C 06 56 02.86 +31 38 35.2 q A17
2015-12-07 22:31:45 C 06 56 03.56 +31 38 54.8 q A17
2015-12-07 22:48:37 C 06 56 04.14 +31 39 11.8 q A17
2015-12-09 06:17:47 C 06 57 13.05 +32 10 50.7 u H21
2015-12-09 06:19:45 C 06 57 13.12 +32 10 52.8 u H21
2015-12-09 06:21:42 C 06 57 13.18 +32 10 54.5 u H21
2015-12-09 06:23:40 C 06 57 13.24 +32 10 56.9 u H21
2015-12-09 06:25:37 C 06 57 13.30 +32 10 58.7 u H21
2015-12-09 06:27:35 C 06 57 13.37 +32 11 00.7 u H21
2015-12-09 06:29:33 C 06 57 13.42 +32 11 02.8 u H21
2015-12-09 09:05:06 C 06 57 18.48 +32 13 41.9 q H45
2015-12-09 09:07:04 C 06 57 18.50 +32 13 44.0 q H45
2015-12-09 09:08:58 C 06 57 18.57 +32 13 46.4 q H45
2015-12-09 09:10:39 C 06 57 18.65 +32 13 47.9 q H45
2015-12-09 09:12:41 C 06 57 18.70 +32 13 49.8 q H45
2015-12-09 09:14:29 C 06 57 18.74 +32 13 51.8 q H45
2015-12-09 09:41:46 C 06 57 19.61 +32 14 18.8 q H45
2015-12-09 09:43:19 C 06 57 19.69 +32 14 20.2 q H45
2015-12-09 09:45:11 C 06 57 19.75 +32 14 23.1 q H45
2015-12-09 09:46:29 C 06 57 19.76 +32 14 23.9 q H45
2015-12-09 09:48:15 C 06 57 19.85 +32 14 25.0 q H45
2015-12-09 09:49:40 C 06 57 19.90 +32 14 27.0 q H45
2015-12-09 11:14:32 C 06 57 23.69 +32 15 58.5 L T05
2015-12-09 11:18:08 C 06 57 22.96 +32 15 58.0 u 926
2015-12-09 11:43:44 C 06 57 23.75 +32 16 24.3 u 926
2015-12-09 12:03:00 C 06 57 25.19 +32 16 48.8 L T05
2015-12-09 12:10:13 C 06 57 24.59 +32 16 50.5 u 926