Asteroid General Data

2021 UG₉

General information

Preliminary designation	2021 UG₉
Group	Amor
Absolute magnitude	24.88
Approximate diameter (m)	28
Approximate mass (kg)	4.05·10⁷
Number of observations	22
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	271.009932
a – orbit major semiaxis (astronomical units)	1.99243300
e – orbit eccentricity	0.43805500
ω – orbit ascending node-perihelion angle (degrees)	170.777199
Ω – longitude of orbit ascending node (degrees)	207.218225
i – orbit inclination to the ecliptic plane (degrees)	9.307632

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	160.517567	1.99129500	0.43968598	167.957971	208.767857	9.187184	1.11575051	2.809985
01/21/1858	276.360309	1.99239293	0.43859152	168.303524	208.558239	9.193296	1.11854628	2.812309
01/29/1887	32.668467	1.99134265	0.43979151	168.796713	208.294584	9.229424	1.11556707	2.810086
02/07/1916	148.570122	1.99230892	0.43836714	169.173477	208.092783	9.236183	1.11894615	2.812132
02/14/1945	265.639494	1.99102431	0.43946992	169.606890	207.835407	9.267804	1.11602902	2.809412
02/22/1974	21.826183	1.99162803	0.43810836	170.022466	207.638971	9.277544	1.11907914	2.810690
03/02/2003	137.148372	1.99209120	0.43897471	170.446174	207.373620	9.300812	1.11761354	2.811671
03/09/2032	251.656031	1.99218862	0.43847109	170.954376	207.169023	9.320546	1.11867151	2.811877
03/17/2061	6.397340	1.99227884	0.43837920	171.286094	206.935168	9.335145	1.11890523	2.812068
03/25/2090	120.167455	1.99203581	0.43882570	171.840457	206.699531	9.363496	1.11787929	2.811553
04/03/2119	235.160184	1.99291461	0.43829708	172.166328	206.470168	9.372658	1.11942595	2.813414
04/10/2148	348.606058	1.99185547	0.43895325	172.695198	206.246879	9.402711	1.11752404	2.811172
04/18/2177	102.465468	1.99322575	0.43826437	172.979638	206.029148	9.406529	1.11966593	2.814073

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