2018 WA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1391486000
Semi-major axis (a)0.8723574000 AU
Inclination (i)1.81265000°
Long. of Asc. Node (Ω)233.39266000°
Arg. of Perihelion (ω)8.36551000°
Mean Anomaly (M)27.90362000°
Mean Motion (n)1.2096575300°/day
Perihelion dist (q)0.75097010 AU
Aphelion dist (Q)0.99374470 AU
Orbital Period0.81478250 yr
Physical Parameters
H (abs. magnitude)30.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.460″
Uncertainty6
Orbit TypeAtira
MOID0.001179 AU
Observations Used15
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-11-22
Observations (15)
Date Type RA Dec Mag Band Observatory
2018-11-16 01:26:00 C 23 56 06.62 +05 28 04.4 V G96
2018-11-16 01:34:18 C 23 56 02.75 +05 24 42.3 V G96
2018-11-16 01:42:35 C 23 55 58.87 +05 21 20.5 V G96
2018-11-16 01:50:52 C 23 55 54.97 +05 18 03.4 V G96
2018-11-16 03:20:17 C 23 55 03.14 +04 41 58.8 V H01
2018-11-16 03:30:10 C 23 54 58.21 +04 38 08.6 V H01
2018-11-16 03:49:59 C 23 54 48.44 +04 30 29.7 V H01
2018-11-16 03:56:43 C 23 54 45.17 +04 27 54.4 V H01
2018-11-17 03:53:55 C 23 54 38.27 -02 16 16.6 V H01
2018-11-17 04:01:15 C 23 54 35.70 -02 17 47.3 V H01
2018-11-17 04:14:51 C 23 54 30.99 -02 20 34.2 V H01
2018-11-17 04:24:21 C 23 54 27.75 -02 22 30.1 V H01
2018-11-22 03:12:49 C 23 55 12.46 -12 45 35.3 V H01
2018-11-22 03:43:38 C 23 55 07.95 -12 46 42.1 V H01
2018-11-22 04:32:49 C 23 55 01.07 -12 48 22.9 V H01