Asteroid General Data

2021 US₅

General information

Preliminary designation	2021 US₅
Group	Apollo
Absolute magnitude	25.99
Approximate diameter (m)	17
Approximate mass (kg)	8.75·10⁶
Number of observations	34
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	332.312983
a – orbit major semiaxis (astronomical units)	1.83128800
e – orbit eccentricity	0.48872100
ω – orbit ascending node-perihelion angle (degrees)	222.902551
Ω – longitude of orbit ascending node (degrees)	225.154654
i – orbit inclination to the ecliptic plane (degrees)	17.784628

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	76.615194	1.83087741	0.48602802	219.899598	227.235151	18.103138	0.94101969	2.477362
01/21/1858	331.637903	1.83137375	0.48662712	220.460295	226.876566	18.031311	0.94017762	2.478370
01/29/1887	227.059930	1.83141751	0.48736913	220.767513	226.644972	18.004786	0.93884115	2.478459
02/07/1916	119.241736	1.83212660	0.48726496	221.279562	226.276951	17.944905	0.93939552	2.479898
02/14/1945	12.088338	1.83223853	0.48816104	221.615182	226.050213	17.912466	0.93781106	2.480125
02/22/1974	263.178856	1.83265078	0.48825104	222.071210	225.701229	17.859531	0.93785713	2.480962
03/02/2003	155.525232	1.83218724	0.48915079	222.459696	225.449386	17.826402	0.93597141	2.480021
03/09/2032	47.947317	1.83051753	0.48937542	222.957652	225.123000	17.783155	0.93470725	2.476632
03/17/2061	304.672512	1.83077016	0.48973566	223.377583	224.822306	17.738869	0.93417673	2.477145
03/25/2090	201.133674	1.83038591	0.48974630	223.791109	224.515320	17.701396	0.93396118	2.476365
04/03/2119	100.539339	1.83017562	0.49008625	224.224367	224.201088	17.656679	0.93323171	2.475938
04/10/2148	1.324377	1.82927263	0.48969226	224.616725	223.897143	17.623285	0.93349198	2.474106
04/18/2177	264.068473	1.82925087	0.49073526	225.128630	223.558108	17.572472	0.93157298	2.474062

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