Asteroid General Data

2021 RO₁₂

General information

Preliminary designation	2021 RO₁₂
Group	Amor
Absolute magnitude	22.19
Approximate diameter (m)	97
Approximate mass (kg)	1.67·10⁹
Number of observations	12
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	277.687688
a – orbit major semiaxis (astronomical units)	1.91474300
e – orbit eccentricity	0.32897000
ω – orbit ascending node-perihelion angle (degrees)	250.555730
Ω – longitude of orbit ascending node (degrees)	174.684120
i – orbit inclination to the ecliptic plane (degrees)	29.227824

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	56.409774	1.91445123	0.32632384	249.141718	176.232597	29.307860	1.28972016	2.648909
01/21/1858	40.049907	1.91437363	0.32658958	249.368410	175.986998	29.296981	1.28915915	2.648748
01/29/1887	23.690192	1.91450413	0.32688673	249.536583	175.781320	29.289033	1.28867814	2.649019
02/07/1916	7.325401	1.91455682	0.32735696	249.761038	175.535642	29.271431	1.28781332	2.649128
02/14/1945	350.811671	1.91465894	0.32765380	249.980250	175.321483	29.261635	1.28731366	2.649340
02/22/1974	334.474658	1.91456762	0.32807841	250.184694	175.079927	29.250121	1.28643933	2.649151
03/02/2003	318.045014	1.91456907	0.32857946	250.411922	174.866030	29.237722	1.28548099	2.649154
03/09/2032	301.721489	1.91460183	0.32905745	250.649615	174.614493	29.224440	1.28458783	2.649222
03/17/2061	285.389786	1.91459048	0.32961426	250.821223	174.408849	29.213693	1.28351415	2.649198
03/25/2090	268.976560	1.91445237	0.33031094	251.057622	174.172138	29.197357	1.28208781	2.648912
04/03/2119	252.674212	1.91449448	0.33060756	251.202394	173.958796	29.191371	1.28154813	2.648999
04/10/2148	236.203501	1.91434563	0.33129542	251.392301	173.742626	29.180356	1.28013169	2.648690
04/18/2177	219.899625	1.91440637	0.33143347	251.589766	173.501926	29.174423	1.27990802	2.648816

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