Asteroid General Data

2021 RA₁

General information

Preliminary designation	2021 RA₁
Group	Apollo
Absolute magnitude	25.46
Approximate diameter (m)	21
Approximate mass (kg)	1.82·10⁷
Number of observations	67
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	219.603246
a – orbit major semiaxis (astronomical units)	2.15303300
e – orbit eccentricity	0.53083200
ω – orbit ascending node-perihelion angle (degrees)	337.251489
Ω – longitude of orbit ascending node (degrees)	341.158051
i – orbit inclination to the ecliptic plane (degrees)	10.036123

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	17.849350	2.15213393	0.53049219	332.837657	343.793891	9.734197	1.01044369	3.157218
01/21/1858	86.117733	2.15251086	0.53049271	333.668274	343.402654	9.781336	1.01061955	3.158047
01/29/1887	148.939576	2.15180189	0.53190196	334.372010	342.919059	9.848062	1.00725424	3.156487
02/07/1916	215.522490	2.15410665	0.52922628	334.807966	342.696121	9.850893	1.01409681	3.161560
02/14/1945	282.655207	2.15505627	0.53049420	335.639951	342.218877	9.907410	1.01181142	3.163651
02/22/1974	347.805810	2.15229010	0.53004108	335.940955	341.928207	9.934637	1.01148794	3.157562
03/02/2003	57.064344	2.15169561	0.53049075	336.677282	341.538615	9.984026	1.01024100	3.156253
03/09/2032	124.543427	2.15180710	0.53107556	337.288273	341.127508	10.035766	1.00903494	3.156499
03/17/2061	192.922372	2.15177676	0.52941476	337.879077	340.824972	10.054248	1.01259438	3.156432
03/25/2090	263.373948	2.14849497	0.52990311	338.629425	340.419626	10.129021	1.01000081	3.149214
04/03/2119	337.519726	2.15077584	0.52773247	338.886619	340.225934	10.116410	1.01574160	3.154230
04/10/2148	54.222482	2.15129087	0.52842328	339.775050	339.783312	10.167785	1.01449868	3.155363
04/18/2177	126.686914	2.14942389	0.52924424	340.037679	339.506532	10.186318	1.01185367	3.151256

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