Asteroid General Data

2011 AO₄

General information

Preliminary designation	2011 AO₄
Group	Amor
Absolute magnitude	21.34
Approximate diameter (m)	140
Approximate mass (kg)	5.39·10⁹
Number of observations	35
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	95.288776
a – orbit major semiaxis (astronomical units)	1.67669900
e – orbit eccentricity	0.33953400
ω – orbit ascending node-perihelion angle (degrees)	332.869010
Ω – longitude of orbit ascending node (degrees)	93.398853
i – orbit inclination to the ecliptic plane (degrees)	31.793013

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	110.628690	1.67783198	0.34317999	331.233458	94.287639	31.689897	1.10203361	2.173318
01/21/1858	237.772635	1.67789779	0.34267051	331.518072	94.149818	31.710703	1.10293170	2.173446
01/29/1887	4.746651	1.67774332	0.34211270	331.700589	94.026731	31.722651	1.10376602	2.173146
02/07/1916	131.847202	1.67799199	0.34160176	331.981847	93.886390	31.741163	1.10478697	2.173629
02/14/1945	258.784617	1.67774041	0.34112581	332.190407	93.767256	31.757630	1.10541984	2.173140
02/22/1974	25.664484	1.67803529	0.34052334	332.471539	93.628594	31.774373	1.10662511	2.173713
03/02/2003	152.643194	1.67758337	0.34015704	332.685141	93.501770	31.793503	1.10694157	2.172835
03/09/2032	279.560353	1.67801367	0.33956956	332.953540	93.367078	31.811373	1.10821130	2.173671
03/17/2061	46.821687	1.67778137	0.33937081	333.175816	93.237324	31.827319	1.10839134	2.173220
03/25/2090	173.657572	1.67816962	0.33876519	333.397295	93.103237	31.842603	1.10966416	2.173974
04/03/2119	300.754177	1.67765657	0.33843670	333.666713	92.975322	31.860364	1.10987601	2.172977
04/10/2148	67.540288	1.67784304	0.33785189	333.850955	92.854592	31.869162	1.11098060	2.173340
04/18/2177	194.694248	1.67785583	0.33741227	334.129463	92.714235	31.887928	1.11172669	2.173365

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