Asteroid General Data

2021 UU

General information

Preliminary designation	2021 UU
Group	Apollo
Absolute magnitude	26.58
Approximate diameter (m)	13
Approximate mass (kg)	3.87·10⁶
Number of observations	92
Arc length (days)	17

Approaches

Date	Object	r, AU	r, km
10/23/2100 08:24:00 AM	Earth	0.000973	145 611
10/23/2100 04:14:53 PM	Moon	0.000902	134 983

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	53.743525
a – orbit major semiaxis (astronomical units)	1.75556326
e – orbit eccentricity	0.49283048
ω – orbit ascending node-perihelion angle (degrees)	315.048240
Ω – longitude of orbit ascending node (degrees)	26.037981
i – orbit inclination to the ecliptic plane (degrees)	0.426418

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	88.403747	1.74008215	0.48909738	304.211957	35.510496	0.486849	0.88901253	2.295383
01/21/1858	318.867171	1.74108330	0.48914621	303.981551	35.830071	0.481959	0.88943900	2.297365
01/29/1887	192.722272	1.73908581	0.48920362	303.812756	36.193457	0.476021	0.88831873	2.293412
02/07/1916	69.031430	1.73851495	0.48906448	303.613317	36.512358	0.470753	0.88826904	2.292283
02/14/1945	298.684905	1.74196125	0.48994044	303.484538	36.989457	0.466087	0.88850398	2.299103
02/22/1974	148.953229	1.74762233	0.49116111	315.104192	25.468977	0.442817	0.88925820	2.310319
03/02/2003	350.359257	1.74756775	0.49131802	314.846786	25.801569	0.436237	0.88895622	2.310211
03/09/2032	181.275988	1.75477881	0.49271870	314.924300	26.192648	0.424346	0.89016648	2.324525
03/17/2061	354.236472	1.75345065	0.49260485	316.910395	24.310831	0.416660	0.88969235	2.321886
03/25/2090	174.906833	1.75303834	0.49282124	316.634852	24.727022	0.409278	0.88910381	2.321067
04/03/2119	138.704493	1.71791432	0.48434934	216.221341	121.213435	0.289221	0.88584364	2.251660
04/10/2148	93.060506	1.71796307	0.48430118	215.154932	122.255904	0.295726	0.88595153	2.251756
04/18/2177	59.932846	1.71483617	0.48377149	215.038990	122.289221	0.299610	0.88524733	2.245611

Detailed table...

3D animation...

Calculation on the date...

Return to search