Asteroid General Data

2021 CH₂

General information

Preliminary designation	2021 CH₂
Group	Apollo
Absolute magnitude	21.77
Approximate diameter (m)	120
Approximate mass (kg)	2.98·10⁹
Number of observations	143
Arc length (days)	227

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	127.706984
a – orbit major semiaxis (astronomical units)	1.13862100
e – orbit eccentricity	0.12565800
ω – orbit ascending node-perihelion angle (degrees)	292.429432
Ω – longitude of orbit ascending node (degrees)	319.352542
i – orbit inclination to the ecliptic plane (degrees)	19.919295

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	262.723325	1.13893942	0.12639710	291.305005	320.292030	19.915261	0.99498078	1.215490
01/21/1858	216.606304	1.13914839	0.12649419	291.520999	320.152904	19.913408	0.99505274	1.215825
01/29/1887	172.973791	1.13869395	0.12607950	291.550484	320.016013	19.916160	0.99512799	1.215098
02/07/1916	129.072983	1.13921005	0.12616190	291.883763	319.877196	19.916314	0.99548514	1.215924
02/14/1945	82.984245	1.13870217	0.12596877	291.925650	319.743071	19.916837	0.99526125	1.215111
02/22/1974	40.562668	1.13861654	0.12572169	292.105898	319.607499	19.920354	0.99546775	1.214974
03/02/2003	354.127982	1.13926820	0.12596734	292.408051	319.469928	19.919310	0.99575761	1.216017
03/09/2032	309.871822	1.13872474	0.12565032	292.461034	319.333335	19.919790	0.99564361	1.215147
03/17/2061	265.868282	1.13915590	0.12561093	292.795398	319.182628	19.922370	0.99606547	1.215837
03/25/2090	219.919299	1.13898910	0.12551076	292.836864	319.056355	19.920073	0.99603371	1.215570
04/03/2119	177.415956	1.13896660	0.12525745	293.106351	318.905208	19.923611	0.99630255	1.215534
04/10/2148	131.641190	1.13895286	0.12527377	293.236894	318.782352	19.922786	0.99627193	1.215512
04/18/2177	86.812022	1.13879308	0.12514501	293.318309	318.652820	19.922705	0.99627881	1.215256

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