Asteroid General Data

2021 UA₄

General information

Preliminary designation	2021 UA₄
Group	Amor
Absolute magnitude	22.30
Approximate diameter (m)	92
Approximate mass (kg)	1.43·10⁹
Number of observations	28
Arc length (days)	33

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	160.849036
a – orbit major semiaxis (astronomical units)	1.53499700
e – orbit eccentricity	0.18819000
ω – orbit ascending node-perihelion angle (degrees)	251.739046
Ω – longitude of orbit ascending node (degrees)	206.735971
i – orbit inclination to the ecliptic plane (degrees)	21.750594

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	179.200900	1.53484864	0.18762689	250.412076	207.749361	21.752799	1.24686977	1.901511
01/21/1858	273.787999	1.53469159	0.18769945	250.611215	207.595660	21.754676	1.24663083	1.901220
01/29/1887	8.448491	1.53477758	0.18764893	250.776196	207.454419	21.754543	1.24677821	1.901379
02/07/1916	102.731115	1.53487820	0.18777963	251.026221	207.298581	21.754474	1.24665934	1.901566
02/14/1945	197.228324	1.53481741	0.18790625	251.149196	207.155304	21.755620	1.24641563	1.901453
02/22/1974	291.024743	1.53506356	0.18798798	251.425136	206.992256	21.750442	1.24649005	1.901911
03/02/2003	24.033953	1.53511620	0.18822366	251.607722	206.854739	21.750088	1.24617100	1.902009
03/09/2032	117.346312	1.53498998	0.18832495	251.743125	206.719334	21.750541	1.24591306	1.901774
03/17/2061	210.557945	1.53513017	0.18832974	251.954350	206.564894	21.750853	1.24601950	1.902035
03/25/2090	303.556276	1.53507691	0.18854353	252.123902	206.426193	21.752305	1.24564809	1.901936
04/03/2119	36.973488	1.53499382	0.18844379	252.302293	206.266211	21.754735	1.24573376	1.901781
04/10/2148	130.814684	1.53499862	0.18863324	252.505707	206.118269	21.753922	1.24544686	1.901790
04/18/2177	224.707479	1.53481597	0.18881806	252.695189	205.964773	21.754365	1.24501500	1.901451

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