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
2016-03-18 21:33:46 C 09 44 11.99 +46 40 44.7 c A53
2016-03-27 03:44:13 C 10 03 13.82 +42 32 07.2 u H21
2016-03-27 03:47:19 C 10 03 14.08 +42 32 03.4 u H21
2016-03-27 03:50:26 C 10 03 14.34 +42 31 59.0 u H21
2016-03-29 04:35:08 C 10 07 40.63 +41 28 21.3 q H45
2016-03-29 04:36:55 C 10 07 40.78 +41 28 18.6 q H45
2016-03-29 04:38:42 C 10 07 40.94 +41 28 16.5 q H45
2016-03-29 04:40:02 C 10 07 41.01 +41 28 14.7 q H45
2016-03-29 04:41:25 C 10 07 41.16 +41 28 12.7 q H45
2016-03-29 04:42:49 C 10 07 41.26 +41 28 11.1 q H45
2016-04-01 04:55:17 C 10 14 06.12 +39 52 47.8 q H45
2016-04-01 04:57:46 C 10 14 06.31 +39 52 44.9 q H45
2016-04-01 04:59:14 C 10 14 06.49 +39 52 43.5 q H45
2016-04-01 05:01:11 C 10 14 06.63 +39 52 39.4 q H45
2016-04-01 05:03:01 C 10 14 06.73 +39 52 37.3 q H45
2016-04-01 05:04:35 C 10 14 06.84 +39 52 35.7 q H45
2016-04-02 05:07:03 C 10 16 12.85 +39 20 38.4 q 703
2016-04-02 05:18:31 C 10 16 13.72 +39 20 23.3 q 703
2016-04-02 05:29:15 C 10 16 14.58 +39 20 08.7 q 703
2016-04-02 05:39:06 C 10 16 15.55 +39 19 55.4 q 703
2016-04-04 05:53:38 C 10 20 23.82 +38 15 32.3 q H45
2016-04-04 05:55:32 C 10 20 24.08 +38 15 28.3 q H45
2016-04-04 05:57:12 C 10 20 24.14 +38 15 26.7 q H45
2016-04-04 05:58:50 C 10 20 24.27 +38 15 23.8 q H45
2016-04-04 06:00:32 C 10 20 24.43 +38 15 22.2 q H45
2016-04-04 06:02:15 C 10 20 24.53 +38 15 19.7 q H45
2016-04-07 04:58:44 C 10 26 22.71 +36 40 24.4 q H45
2016-04-07 05:00:52 C 10 26 22.85 +36 40 21.3 q H45
2016-04-07 05:02:28 C 10 26 23.02 +36 40 20.2 q H45
2016-04-07 05:04:05 C 10 26 23.07 +36 40 17.0 q H45
2016-04-07 05:05:40 C 10 26 23.23 +36 40 15.7 q H45
2016-04-07 05:07:12 C 10 26 23.30 +36 40 12.9 q H45
2016-05-11 04:20:17 C 11 27 24.00 +19 41 07.5 q I52
2016-05-11 04:27:05 C 11 27 24.48 +19 40 59.4 q I52
2016-05-11 04:34:06 C 11 27 24.94 +19 40 52.2 q I52
2016-05-11 04:41:20 C 11 27 25.41 +19 40 43.7 q I52
2016-06-05 04:37:28 C 12 07 52.70 +09 39 32.6 q G96
2016-06-05 04:48:28 C 12 07 53.44 +09 39 23.5 q G96
2016-06-05 04:53:58 C 12 07 53.76 +09 39 18.9 q G96
2022-06-06 09:21:17 C 16 20 43.722 -22 06 01.64 V F52
2022-06-06 09:31:33 C 16 20 43.246 -22 06 01.63 V F52
2022-06-06 09:41:46 C 16 20 42.750 -22 06 02.44 V F52
2022-06-06 09:51:59 C 16 20 42.276 -22 06 02.46 V F52
2022-06-06 12:29:15 C 16 20 34.786 -22 06 07.40 V F52