Asteroid General Data

2021 RP₁₂

General information

Preliminary designation	2021 RP₁₂
Group	Apollo
Absolute magnitude	24.57
Approximate diameter (m)	32
Approximate mass (kg)	6.22·10⁷
Number of observations	50
Arc length (days)	22

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	110.587700
a – orbit major semiaxis (astronomical units)	1.64074400
e – orbit eccentricity	0.45181200
ω – orbit ascending node-perihelion angle (degrees)	227.535237
Ω – longitude of orbit ascending node (degrees)	190.845638
i – orbit inclination to the ecliptic plane (degrees)	6.928441

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	163.832884	1.61521397	0.44617646	226.408764	192.818628	6.816935	0.89454352	2.052796
01/21/1858	215.585314	1.61397137	0.44582348	226.797403	192.565532	6.812228	0.89442503	2.050427
01/29/1887	268.935159	1.61393289	0.44603298	227.153386	192.288629	6.807137	0.89406559	2.050354
02/07/1916	331.059807	1.61148959	0.44505382	227.671620	191.954248	6.806660	0.89429000	2.045700
02/14/1945	31.041752	1.63255596	0.44942557	226.764577	191.676829	6.976849	0.89884357	2.085944
02/22/1974	359.487034	1.63253242	0.44939339	227.175259	191.375507	6.967969	0.89888313	2.085899
03/02/2003	328.023285	1.63250999	0.44943919	227.590218	191.104542	6.963317	0.89879603	2.085856
03/09/2032	291.165234	1.63475581	0.44997735	227.899619	190.815546	6.947324	0.89915272	2.090162
03/17/2061	263.360602	1.63089929	0.44917422	228.424609	190.563804	6.953351	0.89834137	2.082770
03/25/2090	243.334893	1.62975111	0.44900619	228.892007	190.276236	6.949966	0.89798278	2.080571
04/03/2119	223.383710	1.63108097	0.44932979	229.225420	189.956159	6.939976	0.89818770	2.083118
04/10/2148	197.044727	1.63280498	0.44998179	229.508540	189.696643	6.926401	0.89807247	2.086422
04/18/2177	164.111072	1.63283311	0.44972371	229.942799	189.376364	6.919961	0.89850935	2.086476

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