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
2015-11-22 11:03:27 C 06 40 18.36 +26 32 20.7 R G45
2015-11-22 11:12:37 C 06 40 18.79 +26 32 26.7 R G45
2015-11-22 11:21:39 C 06 40 19.18 +26 32 32.6 R G45
2015-11-22 11:30:02 C 06 40 19.53 +26 32 37.7 R G45
2015-11-23 08:12:16 C 06 41 18.70 +26 46 41.3 t H01
2015-11-23 08:18:18 C 06 41 18.97 +26 46 45.5 t H01
2015-11-23 08:31:33 C 06 41 19.55 +26 46 54.7 t H01
2015-11-23 08:41:00 C 06 41 19.96 +26 47 01.2 t H01
2015-11-23 08:59:39 C 06 41 20.61 +26 47 13.3 q H36
2015-11-23 09:17:40 C 06 41 21.40 +26 47 25.4 q H36
2015-11-23 09:35:42 C 06 41 22.20 +26 47 37.8 q H36
2015-11-23 09:53:44 C 06 41 22.97 +26 47 50.1 q H36
2015-11-23 10:09:31 C 06 41 23.68 +26 48 01.1 q H36
2015-11-24 06:31:58 C 06 42 21.42 +27 02 12.0 u 926
2015-11-24 06:54:14 C 06 42 22.38 +27 02 28.1 u 926
2015-11-24 07:14:13 C 06 42 23.24 +27 02 43.0 u 926
2015-11-24 08:02:47 C 06 42 25.31 +27 03 17.2 t H01
2015-11-24 08:07:16 C 06 42 25.50 +27 03 20.4 t H01
2015-11-24 08:22:58 C 06 42 26.17 +27 03 31.6 t H01
2015-11-24 08:35:12 C 06 42 26.70 +27 03 40.3 t H01
2015-11-30 02:03:01 C 06 48 32.87 +28 48 28.8 q B74
2015-11-30 02:09:04 C 06 48 33.11 +28 48 33.5 q B74
2015-11-30 02:17:57 C 06 48 33.49 +28 48 40.7 q B74
2015-11-30 08:26:57 C 06 48 49.42 +28 53 46.8 u 926
2015-11-30 08:47:17 C 06 48 50.15 +28 54 03.7 u 926
2015-11-30 09:13:25 C 06 48 51.24 +28 54 25.9 u 926
2015-12-01 11:18:28 C 06 49 56.38 +29 16 17.8 u 926
2015-12-01 11:42:42 C 06 49 57.30 +29 16 37.8 u 926
2015-12-01 12:01:54 C 06 49 58.05 +29 16 53.9 u 926
2015-12-02 04:25:37 C 06 50 38.74 +29 30 54.3 q 204
2015-12-02 04:35:17 C 06 50 39.11 +29 31 02.6 q 204
2015-12-02 04:55:44 C 06 50 39.91 +29 31 20.2 q 204
2015-12-02 08:37:57 C 06 50 49.49 +29 34 35.9 u H21
2015-12-02 08:40:57 C 06 50 49.59 +29 34 38.4 u H21
2015-12-02 08:43:19 C 06 50 49.68 +29 34 40.5 u H21
2015-12-02 10:49:42 C 06 50 54.58 +29 36 32.7 u 926
2015-12-02 11:09:46 C 06 50 55.47 +29 36 49.6 u 926
2015-12-02 11:32:05 C 06 50 56.22 +29 37 08.7 u 926
2015-12-03 09:10:54 C 06 51 49.46 +29 56 13.4 R G45
2015-12-03 09:17:21 C 06 51 49.69 +29 56 19.2 R G45
2015-12-03 09:26:18 C 06 51 49.75 +29 56 25.2 u H21
2015-12-03 09:30:29 C 06 51 49.89 +29 56 28.6 u H21
2015-12-03 09:32:17 C 06 51 50.22 +29 56 32.7 R G45
2015-12-03 09:34:40 C 06 51 50.06 +29 56 32.5 u H21
2015-12-03 09:38:51 C 06 51 50.22 +29 56 36.2 u H21
2015-12-03 09:40:35 C 06 51 50.51 +29 56 39.9 R G45
2015-12-03 09:43:02 C 06 51 50.36 +29 56 39.9 u H21
2015-12-03 09:46:39 C 06 51 50.49 +29 56 43.0 u H21
2015-12-03 09:50:25 C 06 51 50.63 +29 56 46.6 u H21
2015-12-03 10:30:08 C 06 51 52.38 +29 57 24.5 o 926