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
2016-01-10 17:06:25 C 07 20 25.52 +48 05 18.7 o C94
2016-01-10 17:11:23 C 07 20 25.68 +48 05 25.0 o C94
2016-01-10 21:38:52 C 07 20 33.28 +48 10 38.2 o C94
2016-01-10 21:42:16 C 07 20 36.21 +48 10 53.1 o Z22
2016-01-10 22:43:33 C 07 20 35.04 +48 11 57.6 o C94
2016-01-10 22:47:33 C 07 20 35.25 +48 11 59.3 o C94
2016-01-10 23:55:47 C 07 20 39.44 +48 13 37.3 o Z22
2016-01-11 01:04:09 C 07 20 41.10 +48 15 00.8 o Z22
2016-01-11 01:05:43 C 07 20 41.14 +48 15 02.7 o Z22
2016-01-11 02:11:07 C 07 20 42.69 +48 16 20.2 o Z22
2016-01-11 03:13:11 C 07 20 44.32 +48 17 33.7 o Z22
2016-01-11 07:47:18 C 07 20 54.12 +48 23 00.7 u 926
2016-01-11 08:10:26 C 07 20 54.70 +48 23 28.2 u 926
2016-01-11 08:27:15 C 07 20 55.11 +48 23 47.7 u 926
2016-01-11 09:24:59 C 07 20 56.17 +48 24 51.0 q H45
2016-01-11 09:27:08 C 07 20 56.21 +48 24 53.5 q H45
2016-01-11 09:28:46 C 07 20 56.25 +48 24 55.2 q H45
2016-01-11 09:30:12 C 07 20 56.30 +48 24 56.8 q H45
2016-01-11 09:31:42 C 07 20 56.34 +48 24 58.6 q H45
2016-01-11 09:33:13 C 07 20 56.38 +48 25 00.6 q H45
2016-01-11 10:26:22 C 07 20 58.20 +48 26 06.1 o 926
2016-01-11 10:40:00 C 07 20 58.57 +48 26 21.8 o 926
2016-01-11 10:55:01 C 07 20 59.00 +48 26 39.0 o 926
2016-01-14 05:19:10 C 07 23 20.27 +49 43 30.7 q 703
2016-01-14 05:26:23 C 07 23 20.50 +49 43 38.6 q 703
2016-01-14 05:33:37 C 07 23 20.72 +49 43 47.1 q 703
2016-01-14 05:40:51 C 07 23 20.91 +49 43 55.1 q 703
2016-01-14 06:54:50 C 07 23 22.88 +49 45 19.2 R G45
2016-01-14 06:54:57 C 07 23 22.88 +49 45 19.1 R G45
2016-01-14 06:56:50 C 07 23 22.93 +49 45 21.3 R G45
2016-01-14 07:06:35 C 07 23 23.20 +49 45 32.0 R G45
2016-01-14 07:08:08 C 07 23 23.24 +49 45 33.7 R G45
2016-01-14 07:08:14 C 07 23 23.27 +49 45 34.1 R G45
2016-01-14 07:18:22 C 07 23 23.53 +49 45 45.2 R G45
2016-01-14 07:18:28 C 07 23 23.54 +49 45 45.5 R G45
2016-01-14 07:29:23 C 07 23 23.86 +49 45 57.7 R G45
2016-01-14 07:40:21 C 07 23 24.17 +49 46 09.9 R G45
2016-01-14 07:50:23 C 07 23 24.47 +49 46 20.7 R G45
2016-01-14 08:42:37 C 07 23 25.57 +49 47 15.6 q H45
2016-01-14 08:44:44 C 07 23 25.65 +49 47 17.9 q H45
2016-01-14 08:46:46 C 07 23 25.74 +49 47 20.2 q H45
2016-01-14 08:49:11 C 07 23 25.81 +49 47 22.7 q H45
2016-01-14 08:50:33 C 07 23 25.83 +49 47 24.3 q H45
2016-01-14 08:51:52 C 07 23 25.90 +49 47 25.7 q H45
2016-01-16 08:01:08 C 07 25 14.97 +50 38 59.2 q H45
2016-01-16 08:02:26 C 07 25 15.01 +50 39 00.6 q H45
2016-01-16 08:04:01 C 07 25 15.05 +50 39 02.5 q H45
2016-01-16 08:05:52 C 07 25 15.13 +50 39 04.3 q H45
2016-01-16 08:07:28 C 07 25 15.16 +50 39 05.9 q H45
2016-01-16 08:08:55 C 07 25 15.23 +50 39 07.3 q H45