Asteroid General Data

2021 SF₁

General information

Preliminary designation	2021 SF₁
Group	Apollo
Absolute magnitude	27.17
Approximate diameter (m)	10
Approximate mass (kg)	1.71·10⁶
Number of observations	56
Arc length (days)	152

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	292.250967
a – orbit major semiaxis (astronomical units)	1.17177000
e – orbit eccentricity	0.16774000
ω – orbit ascending node-perihelion angle (degrees)	213.258667
Ω – longitude of orbit ascending node (degrees)	204.282418
i – orbit inclination to the ecliptic plane (degrees)	0.794118

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	143.037478	1.17138853	0.16742469	193.638431	225.674274	1.117731	0.97526917	1.267804
01/21/1858	126.858338	1.16864371	0.16598138	194.592701	225.085499	1.126024	0.97467061	1.263350
01/29/1887	129.678262	1.16803150	0.16618712	206.220852	214.124965	0.967600	0.97391970	1.262358
02/07/1916	80.934636	1.17237896	0.16795208	205.313021	212.227564	0.911304	0.97547547	1.269412
02/14/1945	341.036161	1.17896515	0.17157365	208.972302	209.234912	0.888124	0.97668579	1.280124
02/22/1974	237.115000	1.17857658	0.17144582	210.399656	208.363680	0.889978	0.97651455	1.279491
03/02/2003	132.420794	1.17498914	0.16967365	211.438374	207.843566	0.895865	0.97562444	1.273654
03/09/2032	45.671002	1.17195374	0.16798130	213.335173	204.242249	0.794928	0.97508743	1.268722
03/17/2061	352.990596	1.17273785	0.16803176	219.458942	196.302215	0.698680	0.97568064	1.269995
03/25/2090	305.106331	1.17227952	0.16777097	244.630249	170.102523	0.598768	0.97560505	1.269251
04/03/2119	257.805010	1.17199170	0.16753746	244.773593	169.996455	0.601436	0.97563919	1.268783
04/10/2148	209.188858	1.17244379	0.16742068	253.601280	159.383493	0.553617	0.97615245	1.269517
04/18/2177	163.604187	1.17644969	0.16918225	285.214216	127.136421	0.666065	0.97741529	1.276029

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