2018 WH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2729329431 ± 2.00e+00
Semi-major axis (a)1.2023016218 AU ± 3.00e+00
Inclination (i)1.92442173° ± 4.00e+00
Long. of Asc. Node (Ω)234.98061170° ± 5.00e+00
Arg. of Perihelion (ω)115.58405488° ± 6.00e+00
Mean Anomaly (M)141.04066794° ± 9.81e-03
Mean Motion (n)0.7476245500°/day ± 2.80e+00
Perihelion dist (q)0.87415400 AU ± 3.25e+00
Aphelion dist (Q)1.53045060 AU ± 4.51e+00
Orbital Period1.31831900 yr ± 4.93e+00
Physical Parameters
H (abs. magnitude)29.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.618″
Uncertainty1
Orbit TypeApollo
MOID0.000815 AU
Observations Used38
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-11-21
Observations (38)
Date Type RA Dec Mag Band Observatory
2018-11-17 05:45:13 C 03 30 00.82 +23 36 25.6 V 703
2018-11-17 06:00:35 C 03 30 28.58 +23 31 00.8 V 703
2018-11-17 06:43:36 C 03 31 36.30 +23 15 13.8 V H01
2018-11-17 06:53:47 C 03 31 53.41 +23 11 43.0 V H01
2018-11-17 06:57:46 C 03 32 07.19 +23 11 08.9 V G96
2018-11-17 07:03:58 C 03 32 10.30 +23 08 13.5 V H01
2018-11-17 07:05:51 C 03 32 20.36 +23 08 24.3 V G96
2018-11-17 07:13:54 C 03 32 33.51 +23 05 41.0 V G96
2018-11-17 07:14:09 C 03 32 26.97 +23 04 45.1 V H01
2018-11-17 07:21:57 C 03 32 46.38 +23 02 57.7 V G96
2018-11-17 20:31:22 C 03 51 31.35 +19 55 50.5 U 587
2018-11-17 20:41:52 C 03 51 38.55 +19 54 22.7 U 587
2018-11-17 20:52:22 C 03 51 45.71 +19 52 54.1 U 587
2018-11-18 00:50:26 C 03 54 03.27 +19 21 07.7 V C95
2018-11-18 00:59:54 C 03 54 16.37 +19 17 55.2 V J95
2018-11-18 01:04:16 C 03 54 18.66 +19 17 21.0 V J95
2018-11-18 01:08:12 C 03 54 12.23 +19 18 46.5 V C95
2018-11-18 01:08:42 C 03 54 20.98 +19 16 47.0 V J95
2018-11-18 01:11:06 C 03 54 07.29 +19 17 44.9 V L01
2018-11-18 01:12:57 C 03 54 08.25 +19 17 30.2 V L01
2018-11-18 01:13:09 C 03 54 23.28 +19 16 11.8 V J95
2018-11-18 01:18:21 C 03 54 11.07 +19 16 46.6 V L01
2018-11-18 01:20:34 C 03 54 12.22 +19 16 28.6 V L01
2018-11-18 01:25:59 C 03 54 21.15 +19 16 25.5 V C95
2018-11-18 07:50:51 C 03 58 49.28 +18 33 41.9 L 658
2018-11-18 07:51:42 C 03 58 49.57 +18 33 37.4 L 658
2018-11-18 07:52:33 C 03 58 49.87 +18 33 32.7 L 658
2018-11-18 07:53:23 C 03 58 50.16 +18 33 28.0 L 658
2018-11-18 07:55:04 C 03 58 50.74 +18 33 18.7 L 658
2018-11-19 05:13:23 C 04 07 10.05 +17 09 28.2 o 695
2018-11-19 05:17:38 C 04 07 10.55 +17 09 17.7 o 695
2018-11-19 05:21:52 C 04 07 11.05 +17 09 07.2 o 695
2018-11-20 07:24:27 C 04 11 50.26 +16 13 57.5 o 695
2018-11-20 07:39:44 C 04 11 50.46 +16 13 34.0 o 695
2018-11-20 07:55:19 C 04 11 50.66 +16 13 09.4 o 695
2018-11-21 11:55:45 C 04 14 32.64 +15 38 29.9 o 695
2018-11-21 12:11:33 C 04 14 33.35 +15 38 09.8 o 695
2018-11-21 12:28:13 C 04 14 34.22 +15 37 48.4 o 695