2005 WH4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4905967983 ± 1.02e-07
Semi-major axis (a)2.2247746862 AU ± 6.11e-09
Inclination (i)22.14091378° ± 2.34e-05
Long. of Asc. Node (Ω)72.84379539° ± 6.62e-06
Arg. of Perihelion (ω)17.44877970° ± 8.08e-05
Mean Anomaly (M)359.64239339° ± 2.76e-05
Mean Motion (n)0.2970183113°/day ± 1.22e-09
Perihelion dist (q)1.13330735 AU ± 2.26e-07
Aphelion dist (Q)3.31624202 AU ± 2.26e-07
Orbital Period3.31840242 yr ± 1.37e-08
Physical Parameters
H (abs. magnitude)20.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.402″
Uncertainty0
Orbit TypeAmor
MOID0.160241 AU
Observations Used122
Oppositions14
Arc Total2005-2025
First Observation Used2005-11-26
Last Observation Used2025-11-15
Observations (124)
Date Type RA Dec Mag Band Observatory
2015-11-13 03:25:49 C 07 34 01.92 +09 12 10.0 q J95
2015-11-20 10:09:11 C 08 09 32.79 +16 45 26.2 u H21
2015-11-20 10:15:27 C 08 09 34.12 +16 45 43.7 u H21
2015-11-20 10:32:11 C 08 09 37.65 +16 46 31.3 u H21
2015-11-21 10:24:24 C 08 14 54.96 +17 54 52.5 R G45
2015-11-21 10:31:40 C 08 14 56.70 +17 55 13.3 q 703
2015-11-21 10:32:16 C 08 14 56.69 +17 55 14.9 R G45
2015-11-21 10:32:21 C 08 14 56.72 +17 55 15.6 R G45
2015-11-21 10:39:50 C 08 14 58.25 +17 55 36.4 R G45
2015-11-21 10:41:05 C 08 14 58.65 +17 55 40.4 q 703
2015-11-21 10:47:03 C 08 14 59.88 +17 55 58.6 R G45
2015-11-21 10:48:13 C 08 15 00.11 +17 56 01.1 R G45
2015-11-21 10:50:30 C 08 15 00.73 +17 56 07.3 q 703
2015-11-21 10:59:55 C 08 15 02.84 +17 56 36.1 q 703
2015-11-22 10:07:16 C 08 20 16.25 +19 03 56.1 q G96
2015-11-22 10:13:56 C 08 20 17.73 +19 04 15.7 q G96
2015-11-22 10:20:34 C 08 20 19.19 +19 04 34.8 q G96
2015-11-22 10:27:12 C 08 20 20.66 +19 04 54.8 q G96
2025-11-02 21:34:22 C 08 51 11.092 +16 27 13.25 W O18
2025-11-02 22:05:46 C 08 51 17.479 +16 27 44.57 W O18
2025-11-15 12:02:12 C 09 55 16.738 +21 15 16.49 V G96
2025-11-15 12:09:05 C 09 55 18.185 +21 15 22.90 V G96
2025-11-15 12:15:58 C 09 55 19.682 +21 15 28.80 V G96
2025-11-15 12:22:51 C 09 55 21.119 +21 15 35.03 V G96