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
2016-02-15 02:33:08 C 08 17 41.71 +56 33 26.6 R G45
2016-02-15 02:33:14 C 08 17 41.77 +56 33 26.7 R G45
2016-02-15 02:40:22 C 08 17 42.42 +56 33 26.0 R G45
2016-02-15 02:40:45 C 08 17 42.49 +56 33 25.9 R G45
2016-02-15 02:47:38 C 08 17 43.14 +56 33 25.1 R G45
2016-02-15 02:47:44 C 08 17 43.18 +56 33 25.2 R G45
2016-02-15 02:48:02 C 08 17 43.23 +56 33 25.1 R G45
2016-02-15 02:55:01 C 08 17 43.92 +56 33 24.5 R G45
2016-02-15 02:55:07 C 08 17 43.94 +56 33 24.3 R G45
2016-02-15 02:55:24 C 08 17 43.96 +56 33 24.2 R G45
2016-02-16 07:01:23 C 08 20 41.94 +56 28 28.7 q H45
2016-02-16 07:03:00 C 08 20 42.05 +56 28 28.2 q H45
2016-02-16 07:04:24 C 08 20 42.17 +56 28 28.0 q H45
2016-02-16 07:05:55 C 08 20 42.32 +56 28 27.5 q H45
2016-02-16 07:07:29 C 08 20 42.48 +56 28 26.7 q H45
2016-02-16 07:09:46 C 08 20 42.70 +56 28 26.6 q H45
2016-02-17 04:45:09 C 08 23 05.22 +56 23 42.6 q 703
2016-02-17 04:52:25 C 08 23 05.97 +56 23 41.6 q 703
2016-02-17 04:59:40 C 08 23 06.61 +56 23 40.2 q 703
2016-02-17 05:06:56 C 08 23 07.35 +56 23 38.2 q 703
2016-02-18 00:18:20 C 08 25 14.38 +56 18 33.9 q I15
2016-02-18 00:34:50 C 08 25 16.16 +56 18 30.2 q I15
2016-02-18 00:43:05 C 08 25 17.01 +56 18 28.0 q I15
2016-02-18 02:28:12 C 08 25 28.95 +56 18 00.4 R G45
2016-02-18 02:28:24 C 08 25 28.88 +56 17 59.7 R G45
2016-02-18 02:35:28 C 08 25 29.68 +56 17 58.2 R G45
2016-02-18 02:35:40 C 08 25 29.72 +56 17 58.3 R G45
2016-02-18 02:42:45 C 08 25 30.47 +56 17 56.4 R G45
2016-02-18 02:50:31 C 08 25 31.27 +56 17 54.7 R G45
2016-02-18 02:50:42 C 08 25 31.29 +56 17 54.4 R G45
2016-02-18 02:58:28 C 08 25 32.05 +56 17 52.9 R G45
2016-02-18 06:28:03 C 08 25 52.96 +56 16 55.6 q H45
2016-02-18 06:30:16 C 08 25 53.10 +56 16 54.4 q H45
2016-02-18 06:31:37 C 08 25 53.28 +56 16 54.3 q H45
2016-02-18 06:33:17 C 08 25 53.46 +56 16 53.5 q H45
2016-02-18 06:35:25 C 08 25 53.71 +56 16 53.0 q H45
2016-02-18 06:37:54 C 08 25 53.90 +56 16 52.4 q H45
2016-02-19 07:32:08 C 08 28 39.24 +56 09 08.7 q H45
2016-02-19 07:33:51 C 08 28 39.45 +56 09 07.9 q H45
2016-02-19 07:35:46 C 08 28 39.58 +56 09 07.8 q H45
2016-02-19 07:37:04 C 08 28 39.73 +56 09 06.9 q H45
2016-02-19 07:39:10 C 08 28 39.95 +56 09 06.4 q H45
2016-02-19 07:41:15 C 08 28 40.25 +56 09 06.1 q H45
2016-02-21 23:29:34 C 08 35 51.46 +55 44 29.5 t K65
2016-02-21 23:49:41 C 08 35 53.67 +55 44 20.5 t K65
2016-02-22 00:11:42 C 08 35 56.03 +55 44 10.3 t K65
2016-02-22 08:50:49 C 08 36 56.014 +55 40 26.87 L F51
2016-02-22 09:11:45 C 08 36 58.186 +55 40 17.26 L F51
2016-02-26 06:36:26 C 08 47 38.34 +54 50 27.6 q 703
2016-02-26 06:47:21 C 08 47 39.48 +54 50 21.2 q 703