Asteroid General Data

2021 UL

General information

Preliminary designation	2021 UL
Group	Apollo
Absolute magnitude	30.29
Approximate diameter (m)	2
Approximate mass (kg)	2.30·10⁴
Number of observations	38
Arc length (days)	2

Approaches

Date	Object	r, AU	r, km
10/16/2021 12:14:24 AM	Earth	0.000241	36 122

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	269.533193
a – orbit major semiaxis (astronomical units)	1.17234484
e – orbit eccentricity	0.31341065
ω – orbit ascending node-perihelion angle (degrees)	258.902357
Ω – longitude of orbit ascending node (degrees)	202.949285
i – orbit inclination to the ecliptic plane (degrees)	5.771157

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	183.221777	0.99462529	0.29555642	285.068532	206.347995	6.077420	0.70065740	0.991950
01/21/1858	275.324650	0.99417525	0.29562046	285.365788	206.104688	6.085515	0.70027670	0.991277
01/29/1887	2.477978	0.99472117	0.29581447	286.014864	205.236113	6.036905	0.70046825	0.992094
02/07/1916	352.481880	1.00516147	0.29477070	283.962761	204.561040	6.110750	0.70886932	1.007754
02/14/1945	274.930975	1.00598357	0.29521070	284.659055	203.826647	6.060004	0.70900645	1.008990
02/22/1974	197.977648	1.00543031	0.29521627	284.984362	203.547512	6.068485	0.70861092	1.008158
03/02/2003	118.794928	1.00581610	0.29508838	285.252885	203.313031	6.072577	0.70901146	1.008738
03/09/2032	22.845693	1.17214276	0.31350768	258.893268	202.907147	5.772350	0.80466700	1.269029
03/17/2061	327.438866	1.17411230	0.31376652	259.072532	202.544979	5.788130	0.80571517	1.272228
03/25/2090	228.806097	1.17825554	0.31477288	258.977638	202.250501	5.779406	0.80737265	1.278968
04/03/2119	117.755101	1.17789313	0.31448453	259.224901	201.933796	5.788550	0.80746396	1.278378
04/10/2148	22.555615	1.17653328	0.31410689	259.638492	201.623379	5.806366	0.80697607	1.276165
04/18/2177	319.250113	1.17145513	0.31301575	260.545980	201.350658	5.804769	0.80477123	1.267912

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