Asteroid General Data

2021 UD₄

General information

Preliminary designation	2021 UD₄
Group	Apollo
Absolute magnitude	26.44
Approximate diameter (m)	14
Approximate mass (kg)	4.70·10⁶
Number of observations	24
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	92.240541
a – orbit major semiaxis (astronomical units)	1.33588800
e – orbit eccentricity	0.30421200
ω – orbit ascending node-perihelion angle (degrees)	124.476690
Ω – longitude of orbit ascending node (degrees)	211.248177
i – orbit inclination to the ecliptic plane (degrees)	6.201377

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	29.468773	1.33463888	0.30403522	121.687168	213.424470	6.074044	0.92886165	1.541865
01/21/1858	325.997086	1.33423606	0.30392230	122.152012	213.047462	6.082922	0.92873196	1.541167
01/29/1887	262.722276	1.33475441	0.30424929	122.536957	212.770373	6.085111	0.92865632	1.542065
02/07/1916	201.804899	1.33447766	0.30417949	122.872155	212.467314	6.095854	0.92855692	1.541585
02/14/1945	140.117872	1.33413998	0.30404528	123.108510	212.204078	6.103363	0.92850102	1.541000
02/22/1974	70.336103	1.33521798	0.30423272	123.666862	211.870995	6.132223	0.92900098	1.542868
03/02/2003	0.562407	1.33495027	0.30431327	124.037300	211.525451	6.137091	0.92870718	1.542404
03/09/2032	289.307853	1.33564287	0.30410875	124.527585	211.213993	6.201805	0.92946218	1.543605
03/17/2061	221.795273	1.33482989	0.30374309	124.955901	210.842113	6.212353	0.92938453	1.542196
03/25/2090	159.442336	1.33377435	0.30306921	125.316394	210.507543	6.274071	0.92954841	1.540367
04/03/2119	100.682069	1.33407125	0.30321212	125.668279	210.188622	6.277335	0.92956468	1.540881
04/10/2148	38.363470	1.33455188	0.30310215	126.221844	209.873680	6.348985	0.93004633	1.541714
04/18/2177	330.296701	1.33681684	0.30370980	126.770361	209.555589	6.365328	0.93081246	1.545640

Detailed table...

3D animation...

Calculation on the date...

Return to objects selection