2018 WD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5174357000
Semi-major axis (a)2.0318300000 AU
Inclination (i)2.82095000°
Long. of Asc. Node (Ω)250.84719000°
Arg. of Perihelion (ω)199.61206000°
Mean Anomaly (M)140.33110000°
Mean Motion (n)0.3403086800°/day
Perihelion dist (q)0.98048860 AU
Aphelion dist (Q)3.08317140 AU
Orbital Period2.89621670 yr
Physical Parameters
H (abs. magnitude)26.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.950″
Uncertainty5
Orbit TypeApollo
MOID0.006555 AU
Observations Used72
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-12-05
Observations (72)
Date Type RA Dec Mag Band Observatory
2018-12-01 09:35:00 C 02 31 27.48 +23 00 18.4 V T08
2018-12-01 09:43:46 C 02 31 37.50 +23 00 26.0 V T08
2018-12-01 09:44:27 C 02 31 38.26 +23 00 25.9 V T08
2018-12-02 04:59:34 C 03 01 41.25 +23 15 26.2 q H45
2018-12-02 05:01:08 C 03 01 43.90 +23 15 26.4 q H45
2018-12-02 05:01:45 C 03 01 45.04 +23 15 26.6 q H45
2018-12-02 05:02:26 C 03 01 46.23 +23 15 26.6 q H45
2018-12-02 05:03:14 C 03 01 47.46 +23 15 26.6 q H45
2018-12-02 05:04:11 C 03 01 49.20 +23 15 26.5 q H45
2018-12-02 05:05:20 C 03 01 51.01 +23 15 27.5 q H45
2018-12-02 05:07:20 C 03 01 54.55 +23 15 27.6 q H45
2018-12-03 10:28:18 C 04 16 55.22 +22 27 02.9 V T05
2018-12-03 10:43:52 C 04 17 44.32 +22 25 35.9 V T05
2018-12-03 10:44:31 C 04 17 46.45 +22 25 32.2 V T05
2018-12-03 11:03:02 C 04 18 45.26 +22 23 45.2 V T05
2018-12-03 23:50:31 C 05 07 44.36 +20 29 20.5 V J69
2018-12-03 23:54:06 C 05 07 58.69 +20 28 38.9 V J69
2018-12-03 23:57:40 C 05 08 13.02 +20 27 57.9 V J69
2018-12-04 00:01:14 C 05 08 27.39 +20 27 16.2 V J69
2018-12-05 03:24:35 C 07 12 56.44 +11 47 23.1 V 204
2018-12-05 03:27:38 C 07 13 09.64 +11 46 08.3 V 204
2018-12-05 03:30:55 C 07 13 23.82 +11 44 47.5 V 204