Asteroid General Data

2021 UH₁

General information

Preliminary designation	2021 UH₁
Group	Apollo
Absolute magnitude	31.64
Approximate diameter (m)	1
Approximate mass (kg)	3.56·10³
Number of observations	15
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
10/27/2021 07:12:00 AM	Earth	0.000480	71 865

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	119.243358
a – orbit major semiaxis (astronomical units)	1.27403352
e – orbit eccentricity	0.26115261
ω – orbit ascending node-perihelion angle (degrees)	222.886884
Ω – longitude of orbit ascending node (degrees)	212.617041
i – orbit inclination to the ecliptic plane (degrees)	1.835256

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	40.080882	1.30182094	0.26196262	210.350784	216.271517	4.518991	0.96079251	1.485346
01/21/1858	237.299153	1.30125796	0.26162960	210.594974	216.105014	4.520412	0.96081035	1.484382
01/29/1887	64.903434	1.30280002	0.26241396	211.034437	215.495345	4.490051	0.96092710	1.487021
02/07/1916	250.211664	1.30286325	0.26221417	211.295998	215.339410	4.492328	0.96123404	1.487130
02/14/1945	70.380480	1.30089289	0.26136506	212.387688	214.491568	4.482656	0.96088494	1.483757
02/22/1974	273.467781	1.30074626	0.26144380	212.597336	214.328432	4.483189	0.96067422	1.483507
03/02/2003	123.754044	1.29860756	0.26064672	213.448251	213.772644	4.484736	0.96012976	1.479849
03/09/2032	49.849345	1.27435611	0.26135884	222.960303	212.577102	1.835605	0.94129187	1.438589
03/17/2061	111.697246	1.27449056	0.26134726	223.332686	212.027844	1.828180	0.94140595	1.438817
03/25/2090	159.369516	1.27652552	0.26219369	224.536504	210.712408	1.819982	0.94182857	1.442264
04/03/2119	243.083337	1.27287862	0.26069181	225.394704	210.041719	1.801443	0.94104959	1.436088
04/10/2148	323.190896	1.27202793	0.26043059	226.523617	208.691056	1.785627	0.94075294	1.434649
04/18/2177	46.760773	1.27249305	0.26038111	226.767576	208.167762	1.776346	0.94115989	1.435436

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