Asteroid General Data

2021 OA₁

General information

Preliminary designation	2021 OA₁
Group	Amor
Absolute magnitude	24.30
Approximate diameter (m)	37
Approximate mass (kg)	9.03·10⁷
Number of observations	76
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	101.382445
a – orbit major semiaxis (astronomical units)	1.70453400
e – orbit eccentricity	0.38523300
ω – orbit ascending node-perihelion angle (degrees)	197.989982
Ω – longitude of orbit ascending node (degrees)	131.388327
i – orbit inclination to the ecliptic plane (degrees)	6.631966

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	195.201059	1.70463318	0.38492653	195.486358	132.655681	6.656051	1.04847465	2.225600
01/21/1858	205.572630	1.70628553	0.38545070	195.872353	132.453244	6.644679	1.04859657	2.228836
01/29/1887	214.760854	1.70483899	0.38513084	196.245563	132.288792	6.646972	1.04825293	2.226003
02/07/1916	224.869427	1.70602932	0.38538859	196.553322	132.118858	6.644683	1.04854509	2.228334
02/14/1945	238.367359	1.70618423	0.38551559	197.015711	131.890517	6.638375	1.04842361	2.228638
02/22/1974	247.440814	1.70509518	0.38542010	197.308364	131.736109	6.639773	1.04791722	2.226504
03/02/2003	257.462450	1.70612326	0.38615883	197.665595	131.552572	6.636526	1.04728870	2.228518
03/09/2032	266.861191	1.70438639	0.38534414	198.076891	131.359219	6.631937	1.04761108	2.225116
03/17/2061	278.881980	1.70519469	0.38565334	198.335166	131.199039	6.630565	1.04758066	2.226699
03/25/2090	292.241739	1.70454245	0.38529928	198.697104	131.031319	6.630145	1.04778347	2.225422
04/03/2119	300.387472	1.70631420	0.38584391	199.094871	130.824176	6.617659	1.04794327	2.228892
04/10/2148	310.319629	1.70656515	0.38603246	199.494468	130.625220	6.613999	1.04777560	2.229384
04/18/2177	318.994680	1.70492941	0.38569090	199.933281	130.434769	6.607932	1.04735365	2.226180

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