Asteroid General Data

2021 OC₁

General information

Preliminary designation	2021 OC₁
Group	Aten
Absolute magnitude	26.91
Approximate diameter (m)	11
Approximate mass (kg)	2.45·10⁶
Number of observations	22
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	91.211407
a – orbit major semiaxis (astronomical units)	0.75050600
e – orbit eccentricity	0.44817200
ω – orbit ascending node-perihelion angle (degrees)	204.297340
Ω – longitude of orbit ascending node (degrees)	304.272042
i – orbit inclination to the ecliptic plane (degrees)	9.839995

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	192.669230	0.74406556	0.45592438	201.443780	306.531158	9.566566	0.40482793	0.641826
01/21/1858	289.118550	0.74318643	0.45522853	201.493567	306.142233	9.865549	0.40486676	0.640689
01/29/1887	35.182164	0.74307719	0.45550089	201.721280	305.858964	9.841479	0.40460487	0.640548
02/07/1916	126.345728	0.74374768	0.45495439	202.110485	305.525031	9.837481	0.40537641	0.641415
02/14/1945	209.226317	0.74356103	0.45519992	202.352489	305.218239	9.814570	0.40509211	0.641173
02/22/1974	267.943828	0.74658228	0.45182892	203.104490	304.892785	9.882967	0.40925482	0.645085
03/02/2003	280.404284	0.74597467	0.45255853	203.288371	304.576338	9.848806	0.40837747	0.644298
03/09/2032	243.273359	0.75049094	0.44817677	204.309637	304.258655	9.839270	0.41413834	0.650158
03/17/2061	92.018682	0.75119220	0.44757441	204.709883	303.935705	9.824187	0.41497779	0.651069
03/25/2090	97.957068	0.74455570	0.45640571	204.079286	303.565027	9.333826	0.40473623	0.642460
04/03/2119	176.395419	0.74397987	0.45709794	204.287946	303.215442	9.292612	0.40390821	0.641715
04/10/2148	275.118307	0.74253951	0.45927550	204.391833	302.870026	9.143928	0.40150930	0.639853
04/18/2177	56.937752	0.74271412	0.45937711	204.730142	302.514574	9.092700	0.40152825	0.640078

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