Asteroid General Data

2021 RM₂

General information

Preliminary designation	2021 RM₂
Group	Apollo
Absolute magnitude	19.84
Approximate diameter (m)	290
Approximate mass (kg)	4.28·10¹⁰
Number of observations	59
Arc length (days)	1070

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	255.580112
a – orbit major semiaxis (astronomical units)	1.96599300
e – orbit eccentricity	0.63295200
ω – orbit ascending node-perihelion angle (degrees)	343.250598
Ω – longitude of orbit ascending node (degrees)	145.429186
i – orbit inclination to the ecliptic plane (degrees)	16.000129

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	22.517470	1.96689918	0.63509880	340.177795	147.339864	15.429561	0.71772387	2.758505
01/21/1858	211.011444	1.96652662	0.63418191	340.667660	147.025215	15.518343	0.71939101	2.757721
01/29/1887	40.670275	1.96652973	0.63472726	340.951106	146.797112	15.576902	0.71831970	2.757728
02/07/1916	224.935865	1.96651675	0.63496395	341.515558	146.469404	15.696005	0.71784951	2.757700
02/14/1945	50.335586	1.96641062	0.63380087	342.023236	146.193050	15.769988	0.72009786	2.757477
02/22/1974	238.222241	1.96892434	0.63251710	342.437550	145.915788	15.847116	0.72354602	2.762766
03/02/2003	64.462313	1.96739332	0.63349586	342.743807	145.680324	15.910434	0.72105780	2.759544
03/09/2032	250.908659	1.96489252	0.63348346	343.295399	145.373181	16.019024	0.72016562	2.754285
03/17/2061	79.342290	1.96621778	0.63202348	343.734789	145.132581	16.081948	0.72352198	2.757072
03/25/2090	267.720523	1.96742898	0.63127840	343.971095	144.938954	16.115118	0.72543355	2.759620
04/03/2119	96.895346	1.96607805	0.63104696	344.477924	144.644397	16.209863	0.72539047	2.756778
04/10/2148	285.684819	1.96552047	0.63102652	344.977808	144.407295	16.298863	0.72522494	2.755605
04/18/2177	114.889481	1.96437488	0.63005779	345.478324	144.126621	16.382240	0.72670519	2.753196

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