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
2018-12-05 08:02:07 C 04 58 33.92 +12 13 44.5 V I52
2018-12-05 08:03:55 C 04 58 34.06 +12 13 34.5 V I52
2018-12-06 10:57:25 C 05 01 29.50 +09 48 43.1 V T05
2018-12-06 10:58:52 C 05 01 29.60 +09 48 35.1 V T05
2018-12-06 11:09:30 C 05 01 30.46 +09 47 40.4 V T05
2018-12-06 11:11:39 C 05 01 30.65 +09 47 29.6 V T05
2018-12-06 11:22:18 C 05 01 31.56 +09 46 34.3 V T05
2018-12-06 11:23:40 C 05 01 31.68 +09 46 26.8 V T05
2018-12-07 06:37:58 C 05 03 26.77 +08 10 00.6 19.2 q H21
2018-12-07 06:45:41 C 05 03 27.38 +08 09 23.1 19.0 q H21
2018-12-07 06:53:23 C 05 03 28.00 +08 08 45.8 19.1 q H21
2018-12-09 03:20:07 C 05 07 28.24 +04 49 35.4 V I52
2018-12-09 03:20:28 C 05 07 28.26 +04 49 33.9 V I52
2018-12-09 03:21:49 C 05 07 28.35 +04 49 28.1 V I52
2018-12-10 04:52:25 C 05 09 27.17 +03 08 15.1 V I52
2018-12-10 04:55:03 C 05 09 27.33 +03 08 05.1 V I52
2018-12-10 04:57:42 C 05 09 27.49 +03 07 54.7 V I52
2018-12-10 04:58:18 C 05 09 27.53 +03 07 52.9 V I52
2018-12-10 07:04:06 C 05 09 35.13 +02 59 58.7 V 703
2018-12-10 07:11:35 C 05 09 35.52 +02 59 29.8 V 703
2018-12-10 07:19:06 C 05 09 35.98 +02 59 01.3 V 703
2018-12-13 05:21:27 C 05 14 18.37 -00 54 07.7 V I52
2018-12-13 05:26:05 C 05 14 18.57 -00 54 21.7 V I52
2018-12-13 05:30:42 C 05 14 18.82 -00 54 34.8 V I52
2018-12-14 06:30:29 C 05 15 44.88 -02 04 30.1 V G96
2018-12-14 06:39:12 C 05 15 45.25 -02 04 53.6 V G96
2018-12-14 06:47:57 C 05 15 45.64 -02 05 17.1 V G96
2018-12-14 06:56:44 C 05 15 46.03 -02 05 40.4 V G96
2018-12-15 09:31:12 C 05 17 12.408 -03 13 05.27 U F51
2018-12-15 09:51:14 C 05 17 13.165 -03 13 53.86 U F51
2018-12-15 10:31:23 C 05 17 14.666 -03 15 30.72 U F51
2018-12-28 03:20:32 C 05 29 07.69 -10 27 33.5 u 807
2018-12-28 03:29:45 C 05 29 07.85 -10 27 40.2 u 807
2018-12-28 03:38:44 C 05 29 08.06 -10 27 46.3 u 807
2019-01-03 09:03:30 C 05 33 38.298 -11 38 56.12 U F51
2019-01-03 09:21:32 C 05 33 38.691 -11 39 01.01 U F51
2019-01-03 09:39:35 C 05 33 39.079 -11 39 06.35 U F51
2019-01-04 04:21:51 C 05 34 12.78 -11 44 00.3 u H21
2019-01-04 04:41:43 C 05 34 13.24 -11 44 04.4 u H21
2019-01-04 04:59:50 C 05 34 13.65 -11 44 09.2 u H21
2019-01-05 03:43:09 C 05 34 54.84 -11 48 55.2 u H21
2019-01-05 04:00:42 C 05 34 55.25 -11 48 58.6 u H21
2019-01-06 03:39:03 C 05 35 37.96 -11 52 48.4 u H21
2019-01-06 03:47:48 C 05 35 38.18 -11 52 49.4 u H21
2019-01-06 04:04:27 C 05 35 38.58 -11 52 52.0 u H21
2023-11-06 10:50:35 C 08 39 12.618 +40 49 07.28 V I52
2023-11-06 10:58:22 C 08 39 12.812 +40 48 37.04 V I52
2023-11-06 11:06:11 C 08 39 12.802 +40 48 07.81 V I52
2023-11-06 11:14:00 C 08 39 12.902 +40 47 38.98 V I52
2023-11-17 14:26:15 C 08 40 00.243 +23 53 49.21 V T12