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
2013-12-20 01:00:02 C 01 57 59.133 +00 02 38.39 V W84
2013-12-20 01:00:44 C 01 57 59.323 +00 02 37.51 V W84
2013-12-20 01:01:26 C 01 57 59.518 +00 02 36.62 V W84
2013-12-20 01:02:09 C 01 57 59.706 +00 02 35.74 V W84
2018-11-28 08:25:29 C 04 30 30.63 +32 11 28.2 V G96
2018-11-28 08:32:59 C 04 30 32.26 +32 10 24.2 V G96
2018-11-28 08:40:27 C 04 30 33.85 +32 09 20.2 V G96
2018-11-28 08:47:55 C 04 30 35.45 +32 08 16.2 V G96
2018-11-29 07:19:48 C 04 35 44.71 +29 00 02.0 V G96
2018-11-29 07:27:14 C 04 35 46.10 +28 59 01.2 V G96
2018-11-29 07:34:42 C 04 35 47.54 +28 57 59.2 V G96
2018-11-29 07:42:08 C 04 35 48.93 +28 56 58.7 V G96
2018-11-29 09:46:05 C 04 36 12.37 +28 39 57.9 V I52
2018-11-29 09:46:18 C 04 36 12.43 +28 39 56.2 V I52
2018-11-29 09:46:32 C 04 36 12.48 +28 39 54.3 V I52
2018-11-29 09:46:45 C 04 36 12.53 +28 39 52.6 V I52
2018-11-29 11:44:34 C 04 36 38.71 +28 24 15.5 V T05
2018-11-29 12:10:14 C 04 36 43.40 +28 20 44.7 V T05
2018-11-29 12:16:48 C 04 36 44.60 +28 19 50.8 V T05
2018-11-29 12:38:45 C 04 36 48.68 +28 16 51.0 V T05
2018-11-29 18:46:07 C 04 38 03.43 +27 26 53.0 r P93
2018-11-29 18:48:56 C 04 38 04.00 +27 26 29.8 r P93
2018-11-29 18:51:46 C 04 38 04.50 +27 26 06.6 r P93
2018-11-29 18:54:36 C 04 38 05.11 +27 25 43.4 r P93
2018-11-29 18:57:26 C 04 38 05.62 +27 25 20.4 r P93
2018-11-29 20:26:46 C 04 38 30.85 +27 13 17.6 t L04
2018-11-29 20:31:35 C 04 38 31.74 +27 12 39.3 t L04
2018-11-29 20:35:36 C 04 38 32.47 +27 12 07.5 t L04
2018-11-29 20:45:55 C 04 38 35.41 +27 10 45.9 18.3 V 104
2018-11-29 20:50:14 C 04 38 36.20 +27 10 11.6 18.3 V 104
2018-11-29 20:54:32 C 04 38 36.98 +27 09 37.5 18.6 V 104
2018-11-29 21:05:32 C 04 38 38.74 +27 08 09.1 V L01
2018-11-29 21:06:17 C 04 38 38.86 +27 08 03.6 V L01
2018-11-29 21:07:02 C 04 38 38.99 +27 07 57.7 V L01
2018-11-29 21:08:31 C 04 38 39.28 +27 07 45.9 V L01
2018-11-29 21:38:22 C 04 38 45.25 +27 03 33.9 V Z99
2018-11-29 21:42:10 C 04 38 45.98 +27 03 04.4 V Z99
2018-11-29 21:45:59 C 04 38 46.72 +27 02 34.3 V Z99
2018-11-29 21:47:11 C 04 38 46.69 +27 02 37.9 V K38
2018-11-29 22:07:33 C 04 38 50.37 +26 59 55.6 V K38
2018-11-29 22:13:28 C 04 38 49.68 +26 59 04.6 q 585
2018-11-29 22:14:47 C 04 38 49.93 +26 58 53.7 q 585
2018-11-29 22:15:16 C 04 38 50.01 +26 58 50.0 q 585
2018-11-29 22:16:13 C 04 38 50.19 +26 58 42.4 q 585
2018-11-29 22:17:10 C 04 38 50.36 +26 58 34.7 q 585
2018-11-30 05:37:54 C 04 40 11.94 +26 00 38.7 U G40
2018-11-30 05:47:36 C 04 40 13.64 +25 59 21.1 U G40
2018-11-30 05:57:34 C 04 40 15.50 +25 58 01.5 U G40
2018-11-30 06:18:35 C 04 40 19.45 +25 55 13.4 U G40
2018-11-30 16:04:21 C 04 42 14.38 +24 39 41.8 r P93