Asteroid General Data

2013 RG₂₁

General information

Preliminary designation	2013 RG₂₁
Group	Apollo
Absolute magnitude	20.48
Approximate diameter (m)	210
Approximate mass (kg)	1.77·10¹⁰
Number of observations	49
Arc length (days)	3655

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	221.732229
a – orbit major semiaxis (astronomical units)	1.40745800
e – orbit eccentricity	0.67131400
ω – orbit ascending node-perihelion angle (degrees)	146.382178
Ω – longitude of orbit ascending node (degrees)	343.483301
i – orbit inclination to the ecliptic plane (degrees)	40.834071

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	77.361650	1.40737712	0.67798348	145.344884	344.497176	40.304419	0.45319868	1.669615
01/21/1858	214.888571	1.40732315	0.67697824	145.502618	344.332919	40.396254	0.45459600	1.669519
01/29/1887	352.012418	1.40743734	0.67602872	145.642086	344.200422	40.464537	0.45596928	1.669722
02/07/1916	129.164093	1.40724774	0.67492338	145.811813	344.040088	40.556902	0.45746334	1.669385
02/14/1945	267.232503	1.40721096	0.67406947	145.961184	343.897103	40.630805	0.45865302	1.669319
02/22/1974	46.283312	1.40699433	0.67336969	146.121050	343.737581	40.714416	0.45956699	1.668934
03/02/2003	184.852481	1.40729787	0.67217802	146.261273	343.599358	40.775119	0.46134318	1.669474
03/09/2032	322.427582	1.40731668	0.67124010	146.388124	343.467272	40.842436	0.46266929	1.669507
03/17/2061	99.680889	1.40741529	0.67013311	146.550558	343.315036	40.927257	0.46425970	1.669683
03/25/2090	237.360516	1.40720070	0.66917389	146.675417	343.190272	40.994233	0.46553873	1.669301
04/03/2119	15.518020	1.40726930	0.66795976	146.827559	343.045876	41.070479	0.46727003	1.669423
04/10/2148	154.430952	1.40698964	0.66705206	146.985924	342.911581	41.144233	0.46845430	1.668926
04/18/2177	294.350312	1.40704908	0.66598757	147.158692	342.758369	41.226863	0.46997189	1.669031

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