IAA RAS IAA Minor Planet Database

2020 WA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3017083000
Semi-major axis (a)1.4567930000 AU
Inclination (i)11.28045000°
Long. of Asc. Node (Ω)241.56772000°
Arg. of Perihelion (ω)186.57997000°
Mean Anomaly (M)298.54969000°
Mean Motion (n)0.5605408900°/day
Perihelion dist (q)1.01726650 AU
Aphelion dist (Q)1.89631950 AU
Orbital Period1.75831540 yr
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.400″
Uncertainty7
Orbit TypeAmor
MOID0.030348 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-11-24
Observations (17)
Date Type RA Dec Mag Band Observatory
2020-11-23 05:24:14 C 03 10 21.55 +23 10 56.6 – V G96
2020-11-23 05:31:37 C 03 10 26.94 +23 09 13.2 – V G96
2020-11-23 05:39:00 C 03 10 32.51 +23 07 28.1 – V G96
2020-11-23 05:46:23 C 03 10 37.91 +23 05 43.8 – V G96
2020-11-23 06:24:45 C 03 11 06.17 +22 56 43.7 – V I52
2020-11-23 06:27:23 C 03 11 08.10 +22 56 06.4 – V I52
2020-11-23 06:30:01 C 03 11 10.03 +22 55 29.1 – V I52
2020-11-23 07:32:30 C 03 11 56.02 +22 40 38.4 – V I52
2020-11-23 07:35:08 C 03 11 57.98 +22 40 00.7 – V I52
2020-11-23 07:37:46 C 03 11 59.95 +22 39 22.7 – V I52
2020-11-23 09:10:42 C 03 13 09.11 +22 17 01.1 – V I52
2020-11-23 09:13:20 C 03 13 11.07 +22 16 23.0 – V I52
2020-11-23 09:15:58 C 03 13 13.05 +22 15 44.2 – V I52
2020-11-24 04:34:08 C 03 28 52.56 +17 33 01.3 – V I52
2020-11-24 04:38:30 C 03 28 55.72 +17 31 56.8 – V I52
2020-11-24 04:42:50 C 03 28 58.84 +17 30 52.2 – V I52
2020-11-24 04:47:11 C 03 29 01.97 +17 29 47.5 – V I52