Asteroid General Data

2021 UG₄

General information

Preliminary designation	2021 UG₄
Group	Apollo
Absolute magnitude	25.70
Approximate diameter (m)	19
Approximate mass (kg)	1.31·10⁷
Number of observations	43
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	292.016594
a – orbit major semiaxis (astronomical units)	1.42208300
e – orbit eccentricity	0.31210300
ω – orbit ascending node-perihelion angle (degrees)	222.720071
Ω – longitude of orbit ascending node (degrees)	220.545700
i – orbit inclination to the ecliptic plane (degrees)	12.836130

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	83.764344	1.42166234	0.31106648	220.610745	221.836508	12.906787	0.97943084	1.695100
01/21/1858	126.561300	1.42196340	0.31114896	220.899863	221.659883	12.901256	0.97952098	1.695638
01/29/1887	170.377714	1.42125718	0.31118628	221.243180	221.475527	12.887671	0.97898145	1.694375
02/07/1916	214.875677	1.42105053	0.31117946	221.564792	221.279032	12.881330	0.97884879	1.694006
02/14/1945	258.590012	1.42163388	0.31152233	221.820452	221.090849	12.868598	0.97876318	1.695049
02/22/1974	298.807061	1.42268953	0.31203785	222.142262	220.881031	12.852564	0.97875654	1.696937
03/02/2003	336.910429	1.42229194	0.31202314	222.405043	220.724095	12.850426	0.97850395	1.696226
03/09/2032	14.310271	1.42209859	0.31237466	222.772057	220.518599	12.835741	0.97787103	1.695880
03/17/2061	54.460683	1.42278948	0.31275458	223.054150	220.311696	12.823057	0.97780555	1.697116
03/25/2090	90.645321	1.42252402	0.31264956	223.294077	220.152086	12.821470	0.97777252	1.696641
04/03/2119	127.027628	1.42349089	0.31316285	223.608879	219.931908	12.805459	0.97770643	1.698371
04/10/2148	161.354428	1.42269991	0.31295904	223.913644	219.763255	12.802186	0.97745311	1.696956
04/18/2177	197.361473	1.42320114	0.31325296	224.193355	219.555919	12.793530	0.97737917	1.697853

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