Asteroid General Data

2021 MC₂

General information

Preliminary designation	2021 MC₂
Group	Apollo
Absolute magnitude	19.99
Approximate diameter (m)	270
Approximate mass (kg)	3.48·10¹⁰
Number of observations	24
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	316.971856
a – orbit major semiaxis (astronomical units)	1.89539100
e – orbit eccentricity	0.76993200
ω – orbit ascending node-perihelion angle (degrees)	155.013233
Ω – longitude of orbit ascending node (degrees)	258.138258
i – orbit inclination to the ecliptic plane (degrees)	58.126445

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	44.311859	1.89474088	0.78630870	154.061416	259.064957	57.054548	0.40488964	2.608107
01/21/1858	88.452666	1.89546406	0.78350395	154.195180	258.928363	57.185936	0.41036048	2.609600
01/29/1887	132.422589	1.89543872	0.78117240	154.328240	258.793128	57.326786	0.41477430	2.609548
02/07/1916	176.553295	1.89538500	0.77882833	154.466485	258.643415	57.519742	0.41920547	2.609437
02/14/1945	220.327195	1.89535022	0.77651025	154.601113	258.530524	57.649653	0.42359134	2.609365
02/22/1974	264.224471	1.89475213	0.77395231	154.775122	258.359448	57.885445	0.42830433	2.608130
03/02/2003	308.532507	1.89513684	0.77187915	154.909608	258.239335	58.016669	0.43232022	2.608924
03/09/2032	352.284874	1.89555846	0.76874827	155.066593	258.098974	58.160168	0.43835117	2.609795
03/17/2061	36.077803	1.89495435	0.76684788	155.203939	257.962527	58.336923	0.44181263	2.608547
03/25/2090	80.222281	1.89486539	0.76488376	155.334256	257.840662	58.499037	0.44551362	2.608364
04/03/2119	124.111403	1.89560306	0.76204352	155.469842	257.721290	58.605461	0.45107103	2.609887
04/10/2148	168.022764	1.89547054	0.75970577	155.602517	257.596882	58.734904	0.45547064	2.609613
04/18/2177	211.935347	1.89546518	0.75737677	155.735067	257.475625	58.888173	0.45988388	2.609602

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