2018 WH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4300034814 ± 8.95e-08
Semi-major axis (a)1.8348073380 AU ± 4.17e-09
Inclination (i)15.95959423° ± 9.41e-06
Long. of Asc. Node (Ω)249.23606311° ± 2.45e-06
Arg. of Perihelion (ω)150.88162796° ± 3.95e-05
Mean Anomaly (M)300.50151831° ± 1.38e-05
Mean Motion (n)0.3965761330°/day ± 1.35e-09
Perihelion dist (q)1.04583379 AU ± 1.64e-07
Aphelion dist (Q)2.62378088 AU ± 1.64e-07
Orbital Period2.48533939 yr ± 8.47e-09
Physical Parameters
H (abs. magnitude)22.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.255″
Uncertainty0
Orbit TypeAmor
MOID0.088215 AU
Observations Used146
Oppositions6
Arc Total2013-2023
First Observation Used2013-12-20
Last Observation Used2023-12-12
Observations (155)
Date Type RA Dec Mag Band Observatory
2018-11-30 16:14:19 C 04 42 16.04 +24 38 24.8 r P93
2018-11-30 16:17:40 C 04 42 16.57 +24 37 58.9 r P93
2018-11-30 20:10:48 C 04 43 03.95 +24 07 39.4 V Z99
2018-11-30 20:14:52 C 04 43 04.62 +24 07 09.1 V Z99
2018-11-30 20:18:55 C 04 43 05.35 +24 06 38.5 V Z99
2018-11-30 20:23:08 C 04 43 05.27 +24 06 20.1 o K88
2018-11-30 20:34:32 C 04 43 07.24 +24 04 54.0 o K88
2018-11-30 20:41:31 C 04 43 08.46 +24 04 01.1 o K88
2018-11-30 20:44:00 C 04 43 09.64 +24 03 29.6 V Z99
2018-11-30 20:45:12 C 04 43 10.01 +24 03 23.8 V J69
2018-11-30 20:47:03 C 04 43 10.10 +24 03 07.1 V Z99
2018-11-30 20:48:28 C 04 43 10.55 +24 02 59.1 V J69
2018-11-30 20:50:05 C 04 43 10.62 +24 02 44.4 V Z99
2018-11-30 20:54:59 C 04 43 11.65 +24 02 09.8 V J69
2018-11-30 20:58:14 C 04 43 12.23 +24 01 45.1 V J69
2018-11-30 21:01:30 C 04 43 12.81 +24 01 20.5 V J69
2018-11-30 21:07:20 C 04 43 13.40 +24 00 39.3 q C23
2018-11-30 21:09:25 C 04 43 13.78 +24 00 22.6 q C23
2018-11-30 21:11:30 C 04 43 14.09 +24 00 06.0 q C23
2018-11-30 21:13:34 C 04 43 14.42 +23 59 52.7 q C23
2018-11-30 21:15:40 C 04 43 14.83 +23 59 33.3 q C23
2018-11-30 21:17:44 C 04 43 15.11 +23 59 22.1 q C23
2018-11-30 21:19:48 C 04 43 15.57 +23 59 04.7 q C23
2018-11-30 22:19:46 C 04 43 25.62 +23 51 31.5 V Z80
2018-11-30 22:24:46 C 04 43 26.45 +23 50 54.4 V Z80
2018-11-30 22:29:51 C 04 43 27.27 +23 50 15.7 V Z80
2018-11-30 22:34:51 C 04 43 28.09 +23 49 38.2 V Z80
2018-11-30 22:39:51 C 04 43 28.92 +23 49 00.3 V Z80
2018-12-01 00:17:59 C 04 43 44.19 +23 36 50.7 V C95
2018-12-01 00:23:16 C 04 43 45.04 +23 36 11.1 V C95
2018-12-01 00:28:32 C 04 43 45.82 +23 35 31.7 V C95
2018-12-01 00:34:04 C 04 43 46.73 +23 34 49.9 V C95
2018-12-01 00:39:05 C 04 43 47.51 +23 34 11.4 V C95
2018-12-01 00:44:22 C 04 43 48.34 +23 33 31.6 V C95
2018-12-01 00:49:38 C 04 43 49.18 +23 32 51.9 V C95
2018-12-01 00:55:58 C 04 43 50.17 +23 32 04.1 V C95
2018-12-03 10:54:28 C 04 52 54.25 +16 46 47.9 V T05
2018-12-03 11:00:12 C 04 52 54.90 +16 46 10.3 V T05
2018-12-03 11:17:38 C 04 52 56.88 +16 44 18.0 V T05
2018-12-03 11:32:11 C 04 52 58.54 +16 42 43.8 V T05
2018-12-04 05:36:28 C 04 55 25.37 +14 48 54.4 V I52
2018-12-04 05:36:54 C 04 55 25.42 +14 48 51.9 V I52
2018-12-04 05:37:20 C 04 55 25.47 +14 48 49.1 V I52
2018-12-04 05:37:46 C 04 55 25.53 +14 48 46.4 V I52
2018-12-04 06:26:41 C 04 55 30.82 +14 43 49.3 V G96
2018-12-04 06:34:07 C 04 55 31.60 +14 43 04.0 V G96
2018-12-04 06:41:34 C 04 55 32.40 +14 42 18.9 V G96
2018-12-04 06:49:01 C 04 55 33.20 +14 41 33.5 V G96
2018-12-05 07:58:31 C 04 58 33.56 +12 14 05.1 V I52
2018-12-05 08:00:19 C 04 58 33.76 +12 13 55.0 V I52