Asteroid General Data

2021 SD₃

General information

Preliminary designation	2021 SD₃
Group	Aten
Absolute magnitude	25.03
Approximate diameter (m)	26
Approximate mass (kg)	3.30·10⁷
Number of observations	23
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	178.613829
a – orbit major semiaxis (astronomical units)	0.97685100
e – orbit eccentricity	0.16640200
ω – orbit ascending node-perihelion angle (degrees)	37.700605
Ω – longitude of orbit ascending node (degrees)	185.829393
i – orbit inclination to the ecliptic plane (degrees)	6.307431

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	3.410204	0.97761134	0.16764257	36.107346	188.970154	6.149481	0.81372206	0.966607
01/21/1858	14.674645	0.97728390	0.16722013	36.333542	188.531558	6.163460	0.81386236	0.966121
01/29/1887	28.892484	0.97725577	0.16690505	36.649081	188.042557	6.194243	0.81414685	0.966080
02/07/1916	41.615989	0.97748857	0.16718126	36.737208	187.653021	6.208916	0.81407080	0.966425
02/14/1945	46.996007	0.97798577	0.16746652	36.953992	187.246730	6.223981	0.81420589	0.967162
02/22/1974	45.230449	0.97829019	0.16737775	37.314264	186.729994	6.256571	0.81454618	0.967614
03/02/2003	46.428299	0.97763760	0.16686668	37.580423	186.244697	6.284889	0.81450246	0.966646
03/09/2032	60.160581	0.97688300	0.16636035	37.727134	185.809918	6.307094	0.81436840	0.965527
03/17/2061	79.397216	0.97711084	0.16649758	37.984411	185.351042	6.338581	0.81442425	0.965865
03/25/2090	89.826653	0.97794024	0.16695331	38.472739	184.897601	6.358087	0.81466988	0.967095
04/03/2119	90.210933	0.97810066	0.16746979	38.639060	184.490088	6.378183	0.81429835	0.967333
04/10/2148	87.890435	0.97821605	0.16738192	38.790610	184.096660	6.393229	0.81448036	0.967504
04/18/2177	85.880235	0.97812224	0.16686879	39.148802	183.643173	6.411046	0.81490416	0.967365

Detailed table...

3D animation...

Calculation on the date...

Return to search