Asteroid General Data

2020 RA₈₁

General information

Preliminary designation	2020 RA₈₁
Group	Amor
Absolute magnitude	19.83
Approximate diameter (m)	290
Approximate mass (kg)	4.34·10¹⁰
Number of observations	35
Arc length (days)	3807

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	53.369499
a – orbit major semiaxis (astronomical units)	2.87533500
e – orbit eccentricity	0.56795700
ω – orbit ascending node-perihelion angle (degrees)	274.273000
Ω – longitude of orbit ascending node (degrees)	171.273161
i – orbit inclination to the ecliptic plane (degrees)	20.414474

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	238.005691	2.87951708	0.56434245	265.523316	180.928531	20.326170	1.25448336	4.886300
01/21/1858	214.858383	2.87624100	0.56702926	266.251007	180.028991	20.319820	1.24532819	4.877963
01/29/1887	196.876422	2.86964003	0.56925479	268.163530	178.099570	20.323862	1.23608369	4.861180
02/07/1916	178.981748	2.87698890	0.56658070	269.494211	176.542506	20.316262	1.24694253	4.879866
02/14/1945	156.263999	2.87511975	0.56771988	270.303667	175.629735	20.322155	1.24285712	4.875111
02/22/1974	138.939170	2.86903221	0.57011278	272.012537	173.793175	20.364986	1.23336027	4.859636
03/02/2003	120.390029	2.87570601	0.56750310	273.576503	172.128180	20.394624	1.24373394	4.876602
03/09/2032	97.565858	2.87698595	0.56707733	274.236398	171.260700	20.407787	1.24551245	4.879858
03/17/2061	81.044895	2.86976275	0.57065965	275.904034	169.504667	20.489371	1.23210495	4.861492
03/25/2090	61.391641	2.87781182	0.56646139	277.531603	167.778196	20.558113	1.24764252	4.881960
04/03/2119	38.252318	2.88048267	0.56584303	278.083629	166.912728	20.584240	1.25058162	4.888758
04/10/2148	22.288412	2.87181138	0.56898230	279.795134	165.247422	20.704431	1.23780155	4.866699
04/18/2177	1.485640	2.88610661	0.56166231	281.556271	163.222624	20.818709	1.26508931	4.903082

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