Asteroid General Data

2021 AN₄

General information

Preliminary designation	2021 AN₄
Group	Apollo
Absolute magnitude	27.44
Approximate diameter (m)	9
Approximate mass (kg)	1.18·10⁶
Number of observations	23
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	69.605440
a – orbit major semiaxis (astronomical units)	1.46395000
e – orbit eccentricity	0.30746600
ω – orbit ascending node-perihelion angle (degrees)	208.849279
Ω – longitude of orbit ascending node (degrees)	270.826367
i – orbit inclination to the ecliptic plane (degrees)	1.043870

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	186.267732	1.46281622	0.30719822	201.547168	276.116204	1.094968	1.01344168	1.769234
01/21/1858	327.974980	1.46392103	0.30746183	202.870395	275.204923	1.078369	1.01382120	1.771239
01/29/1887	104.703172	1.46356070	0.30735663	203.507187	274.743971	1.077617	1.01372562	1.770585
02/07/1916	247.696588	1.46208609	0.30664555	204.667673	273.972579	1.065171	1.01374390	1.767910
02/14/1945	40.543775	1.46135772	0.30637118	205.207182	273.585925	1.064533	1.01363983	1.766589
02/22/1974	187.806024	1.46372681	0.30740185	206.483660	272.643501	1.051052	1.01377448	1.770886
03/02/2003	324.762987	1.46371671	0.30744417	207.090969	272.199841	1.049780	1.01370555	1.770868
03/09/2032	102.328664	1.46415969	0.30749910	208.892809	270.775578	1.044074	1.01393190	1.771672
03/17/2061	238.110413	1.46321059	0.30705414	209.552888	270.317763	1.042946	1.01392572	1.769949
03/25/2090	24.051257	1.46059392	0.30585283	210.584807	269.587138	1.036005	1.01386714	1.765204
04/03/2119	181.321705	1.46144262	0.30626610	212.182292	268.409009	1.019683	1.01385229	1.766743
04/10/2148	334.906538	1.46135788	0.30607232	212.676294	268.036899	1.018931	1.01407668	1.766589
04/18/2177	127.962133	1.46174898	0.30633462	214.323458	266.815433	1.002430	1.01396466	1.767298

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