Asteroid General Data

2021 RB₁₅

General information

Preliminary designation	2021 RB₁₅
Group	Amor
Absolute magnitude	19.61
Approximate diameter (m)	320
Approximate mass (kg)	5.89·10¹⁰
Number of observations	44
Arc length (days)	74

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	320.343189
a – orbit major semiaxis (astronomical units)	1.98215300
e – orbit eccentricity	0.40866400
ω – orbit ascending node-perihelion angle (degrees)	294.151570
Ω – longitude of orbit ascending node (degrees)	6.880407
i – orbit inclination to the ecliptic plane (degrees)	22.015456

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	1.449569	1.98281992	0.41106102	291.362954	9.275428	21.852938	1.16775995	2.792065
01/21/1858	143.021874	1.98255735	0.41149071	291.730556	8.940876	21.863249	1.16675342	2.791510
01/29/1887	284.233216	1.98292843	0.41053080	292.219980	8.544716	21.899525	1.16887523	2.792294
02/07/1916	66.116069	1.98280324	0.41021706	292.506564	8.268453	21.913168	1.16942352	2.792030
02/14/1945	207.407891	1.98267311	0.41013851	292.984434	7.858550	21.938770	1.16950251	2.791755
02/22/1974	348.645787	1.98290968	0.40920617	293.366561	7.553794	21.966235	1.17149081	2.792255
03/02/2003	130.029482	1.98291704	0.40941481	293.659228	7.224593	21.975013	1.17108143	2.792270
03/09/2032	270.758340	1.98274483	0.40860016	294.188149	6.839674	22.015019	1.17259498	2.791906
03/17/2061	52.016608	1.98316455	0.40792553	294.367066	6.589677	22.024459	1.17418110	2.792793
03/25/2090	191.867852	1.98318183	0.40784717	294.918286	6.170583	22.055939	1.17434673	2.792829
04/03/2119	332.423878	1.98353560	0.40659476	295.235194	5.894577	22.083519	1.17704041	2.793577
04/10/2148	112.937424	1.98344492	0.40650877	295.661166	5.521241	22.106748	1.17715717	2.793385
04/18/2177	252.685365	1.98358902	0.40600814	296.125533	5.179124	22.139764	1.17823573	2.793690

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