IAA RAS IAA Minor Planet Database

2019 WH4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6049320000
Semi-major axis (a)2.5112688000 AU
Inclination (i)3.53214000°
Long. of Asc. Node (Ω)243.40932000°
Arg. of Perihelion (ω)197.27505000°
Mean Anomaly (M)177.81977000°
Mean Motion (n)0.2476647900°/day
Perihelion dist (q)0.99212190 AU
Aphelion dist (Q)4.03041570 AU
Orbital Period3.97960350 yr
Physical Parameters
H (abs. magnitude)27.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.420″
Uncertainty4
Orbit TypeApollo
MOID0.013460 AU
Observations Used18
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2019-12-02
Observations (18)
Date Type RA Dec Mag Band Observatory
2019-11-25 06:00:36 C 01 09 49.990 +12 09 33.22 – V F52
2019-11-25 06:33:08 C 01 10 04.517 +12 08 53.40 – V F52
2019-11-25 06:49:41 C 01 10 11.871 +12 08 32.82 – V F52
2019-11-29 08:42:00 C 02 42 04.065 +07 34 12.32 – U F51
2019-11-29 08:58:23 C 02 42 28.661 +07 32 40.51 – U F51
2019-11-29 09:14:45 C 02 42 53.411 +07 31 07.91 – U F51
2019-11-29 20:22:00 C 03 02 35.70 +06 18 40.4 – V J95
2019-11-29 20:25:22 C 03 02 41.76 +06 18 17.5 – V J95
2019-11-29 20:33:17 C 03 02 56.09 +06 17 24.5 – V J95
2019-11-29 20:39:57 C 03 03 08.16 +06 16 39.0 – V J95
2019-11-29 22:24:43 C 03 06 14.10 +06 04 40.8 – V 033
2019-11-29 22:25:32 C 03 06 15.61 +06 04 35.0 – V 033
2019-11-29 22:26:21 C 03 06 17.07 +06 04 29.2 – V 033
2019-11-29 22:27:08 C 03 06 18.57 +06 04 23.7 – V 033
2019-11-29 22:27:58 C 03 06 20.06 +06 04 18.0 – V 033
2019-12-02 03:02:52 C 05 17 19.29 -02 28 09.2 – V J95
2019-12-02 03:12:43 C 05 17 47.04 -02 30 01.6 – V J95
2019-12-02 03:21:37 C 05 18 12.12 -02 31 42.9 – V J95