Asteroid General Data

2021 RS₂

General information

Preliminary designation	2021 RS₂
Group	Apollo
Absolute magnitude	30.35
Approximate diameter (m)	2
Approximate mass (kg)	2.12·10⁴
Number of observations	41
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
09/08/2021 07:26:24 AM	Earth	0.000145	21 703

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	92.738349
a – orbit major semiaxis (astronomical units)	1.30683892
e – orbit eccentricity	0.50481168
ω – orbit ascending node-perihelion angle (degrees)	273.761215
Ω – longitude of orbit ascending node (degrees)	165.573607
i – orbit inclination to the ecliptic plane (degrees)	14.569023

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	293.879363	1.24257441	0.51905262	279.039683	167.523632	11.177894	0.59761291	1.385110
01/21/1858	283.831617	1.24122985	0.51873841	279.335787	167.226952	11.194608	0.59735626	1.382862
01/29/1887	277.018955	1.24181095	0.51873972	279.545713	166.958789	11.199017	0.59763428	1.383834
02/07/1916	261.519696	1.24289491	0.51889637	279.843900	166.646646	11.197338	0.59796125	1.385646
02/14/1945	240.201446	1.24291517	0.51879679	280.090342	166.382028	11.213364	0.59809477	1.385680
02/22/1974	217.811693	1.24291582	0.51891723	280.443166	166.107659	11.224188	0.59794539	1.385681
03/02/2003	190.801865	1.24360338	0.51894192	280.665269	165.825253	11.213329	0.59824546	1.386831
03/09/2032	332.593260	1.30622963	0.50478067	273.874047	165.508383	14.570920	0.64687016	1.492897
03/17/2061	131.138709	1.30624158	0.50474939	274.156537	165.279166	14.579376	0.64691694	1.492918
03/25/2090	285.454172	1.30736223	0.50519406	274.471361	165.004434	14.561455	0.64689060	1.494839
04/03/2119	78.938824	1.30674778	0.50491187	274.649560	164.730887	14.570351	0.64695531	1.493786
04/10/2148	239.338199	1.30295559	0.50492475	275.194017	164.459381	14.518298	0.64506106	1.487288
04/18/2177	63.794064	1.30360837	0.50488654	275.565201	164.175070	14.512563	0.64543405	1.488406

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