Asteroid General Data

2021 RS₉

General information

Preliminary designation	2021 RS₉
Group	Amor
Absolute magnitude	22.63
Approximate diameter (m)	79
Approximate mass (kg)	9.08·10⁸
Number of observations	62
Arc length (days)	140

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	188.725031
a – orbit major semiaxis (astronomical units)	2.14326400
e – orbit eccentricity	0.51160100
ω – orbit ascending node-perihelion angle (degrees)	216.025281
Ω – longitude of orbit ascending node (degrees)	207.562582
i – orbit inclination to the ecliptic plane (degrees)	3.733679

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	159.963816	2.14200593	0.51352165	211.511852	210.472892	3.792846	1.04203952	3.134957
01/21/1858	251.758882	2.14215330	0.51203822	212.290854	209.904718	3.776850	1.04528893	3.135281
01/29/1887	345.513379	2.14081090	0.51424476	212.739402	209.673164	3.779332	1.03991011	3.132334
02/07/1916	79.357548	2.14109950	0.51165802	213.495835	209.130332	3.764446	1.04558877	3.132967
02/14/1945	175.507591	2.13921263	0.51383693	214.126868	208.853507	3.763161	1.04000618	3.128827
02/22/1974	271.538410	2.14029087	0.51201221	214.708927	208.385814	3.752220	1.04443582	3.131193
03/02/2003	4.726454	2.14058432	0.51320382	215.581929	207.969665	3.742553	1.04202828	3.131837
03/09/2032	97.015637	2.14164616	0.51311552	216.086152	207.542664	3.737838	1.04273429	3.134167
03/17/2061	191.210446	2.14058773	0.51252243	216.984858	207.079168	3.723204	1.04348849	3.131844
03/25/2090	284.415498	2.14069036	0.51297478	217.454485	206.688699	3.721777	1.04257019	3.132070
04/03/2119	21.874272	2.14088016	0.51228048	218.382057	206.149967	3.705446	1.04414904	3.132486
04/10/2148	115.357975	2.14253940	0.51150014	218.754143	205.801426	3.706176	1.04663020	3.136128
04/18/2177	209.229543	2.14240607	0.51160108	219.801154	205.189534	3.690282	1.04634880	3.135836

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