Asteroid General Data

2021 WH

General information

Preliminary designation	2021 WH
Group	Apollo
Absolute magnitude	25.21
Approximate diameter (m)	24
Approximate mass (kg)	2.57·10⁷
Number of observations	87
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	114.558974
a – orbit major semiaxis (astronomical units)	2.42033800
e – orbit eccentricity	0.76696400
ω – orbit ascending node-perihelion angle (degrees)	271.828996
Ω – longitude of orbit ascending node (degrees)	58.386626
i – orbit inclination to the ecliptic plane (degrees)	6.384408

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	323.567737	2.38838802	0.76959201	247.596241	81.160551	6.880587	0.55030369	3.691118
01/21/1858	263.113912	2.40137426	0.76302376	251.245502	77.834353	6.722012	0.56906863	3.721263
01/29/1887	208.466446	2.38704256	0.76995670	254.550186	74.726075	6.634994	0.54912314	3.688000
02/07/1916	147.868447	2.40152960	0.76398364	259.051707	70.542325	6.504702	0.56680028	3.721624
02/14/1945	92.519372	2.38550039	0.77038099	261.956820	67.802414	6.474523	0.54775625	3.684426
02/22/1974	34.345999	2.39917058	0.76503428	267.318586	62.761958	6.395140	0.56372285	3.716142
03/02/2003	345.903635	2.38212004	0.77004877	269.568488	60.518067	6.466357	0.54777144	3.676597
03/09/2032	277.220646	2.41602700	0.76716008	276.285080	54.181461	6.427122	0.56254755	3.755375
03/17/2061	192.801532	2.40050877	0.77317372	278.785427	51.788342	6.470935	0.54449849	3.719252
03/25/2090	111.704276	2.41776899	0.76560076	282.005139	48.778169	6.494254	0.56672321	3.759437
04/03/2119	18.569114	2.40491240	0.77220106	287.939585	43.215256	6.660507	0.54783651	3.729490
04/10/2148	305.812188	2.40886691	0.76912723	289.152593	42.048589	6.673929	0.55614177	3.738693
04/18/2177	211.777430	2.40841129	0.77010034	295.816406	35.888346	6.935608	0.55369294	3.737632

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