Asteroid General Data

2021 SN₄

General information

Preliminary designation	2021 SN₄
Group	Amor
Absolute magnitude	24.29
Approximate diameter (m)	37
Approximate mass (kg)	9.16·10⁷
Number of observations	41
Arc length (days)	1099

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	148.669595
a – orbit major semiaxis (astronomical units)	1.30801500
e – orbit eccentricity	0.17693200
ω – orbit ascending node-perihelion angle (degrees)	311.809085
Ω – longitude of orbit ascending node (degrees)	6.133231
i – orbit inclination to the ecliptic plane (degrees)	16.355976

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	353.918336	1.31260576	0.18051343	309.410199	7.285325	16.395856	1.07566280	1.503842
01/21/1858	108.538751	1.31134444	0.17941394	310.103736	7.048933	16.412640	1.07607097	1.501674
01/29/1887	218.072868	1.31313843	0.18039837	310.692895	6.851013	16.415490	1.07625039	1.504757
02/07/1916	317.557894	1.31378719	0.18072341	310.829319	6.731247	16.412768	1.07635509	1.505872
02/14/1945	54.495700	1.31389164	0.18080865	310.939416	6.611130	16.413836	1.07632867	1.506052
02/22/1974	152.612122	1.31351887	0.18041545	311.032176	6.492046	16.413200	1.07653978	1.505411
03/02/2003	258.414647	1.31178331	0.17945404	311.291849	6.328410	16.416031	1.07637850	1.502428
03/09/2032	18.552219	1.31068759	0.17820908	312.078010	6.080470	16.437147	1.07711116	1.500546
03/17/2061	134.124548	1.31266941	0.17896112	312.953199	5.843935	16.446311	1.07775263	1.503951
03/25/2090	236.338466	1.31361392	0.17956499	313.160599	5.712722	16.443351	1.07773485	1.505574
04/03/2119	333.760787	1.31391685	0.17951126	313.240157	5.601944	16.442368	1.07805398	1.506095
04/10/2148	70.665862	1.31376184	0.17934936	313.402728	5.480589	16.443954	1.07813949	1.505829
04/18/2177	171.875406	1.31256449	0.17859421	313.546242	5.341823	16.444431	1.07814807	1.503771

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