Asteroid General Data

2021 AS₂

General information

Preliminary designation	2021 AS₂
Group	Apollo
Absolute magnitude	29.45
Approximate diameter (m)	3
Approximate mass (kg)	7.34·10⁴
Number of observations	20
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
01/09/2021 09:36:00 AM	Earth	0.000718	107 465

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	261.692802
a – orbit major semiaxis (astronomical units)	2.17774569
e – orbit eccentricity	0.77644390
ω – orbit ascending node-perihelion angle (degrees)	97.294732
Ω – longitude of orbit ascending node (degrees)	109.645887
i – orbit inclination to the ecliptic plane (degrees)	0.700946

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	6.989092	2.27069386	0.78338136	117.346057	86.055231	0.912112	0.49187461	3.421673
01/21/1858	161.594425	2.28412008	0.78008946	115.657056	88.049043	0.907738	0.50230209	3.452065
01/29/1887	317.279277	2.27616446	0.78321984	114.168951	89.650822	0.895649	0.49342731	3.434046
02/07/1916	134.013886	2.26820085	0.78888596	110.470752	93.660029	0.870068	0.47884903	3.416039
02/14/1945	317.030109	2.26577529	0.78763553	102.383616	102.449308	0.831179	0.48117016	3.410561
02/22/1974	129.230507	2.27691776	0.78303912	98.813570	106.336577	0.828356	0.49400207	3.435751
03/02/2003	283.477909	2.28013525	0.78188840	97.105579	108.285240	0.825960	0.49732395	3.443036
03/09/2032	154.830738	2.17791223	0.77633870	97.184562	109.782855	0.700838	0.48711469	3.214113
03/17/2061	146.069895	2.18126642	0.77439851	93.784757	113.432651	0.699800	0.49209695	3.221541
03/25/2090	135.655911	2.18957448	0.76970583	91.000131	116.467168	0.704725	0.50424624	3.239964
04/03/2119	120.939145	2.19670702	0.76875724	87.562439	120.146464	0.711672	0.50797259	3.255808
04/10/2148	92.207044	2.19913059	0.76747149	84.883295	123.033181	0.717007	0.51136056	3.261198
04/18/2177	63.632446	2.19156734	0.77139176	83.029436	125.044551	0.737409	0.50101036	3.244388

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