Asteroid General Data

2021 EY₁

General information

Preliminary designation	2021 EY₁
Group	Aten
Absolute magnitude	26.66
Approximate diameter (m)	12
Approximate mass (kg)	3.47·10⁶
Number of observations	29
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	134.255428
a – orbit major semiaxis (astronomical units)	0.99545300
e – orbit eccentricity	0.45524600
ω – orbit ascending node-perihelion angle (degrees)	121.503557
Ω – longitude of orbit ascending node (degrees)	165.957003
i – orbit inclination to the ecliptic plane (degrees)	6.024516

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	298.832841	1.00342428	0.45417431	118.949100	167.886670	6.160037	0.54769476	1.005142
01/21/1858	252.786414	1.00221393	0.45421242	119.249436	167.742230	6.182260	0.54699591	1.003324
01/29/1887	313.748256	0.99519370	0.45449624	120.188416	167.535288	6.176057	0.54288191	0.992801
02/07/1916	33.329240	0.99575569	0.45450065	120.340884	167.365784	6.182040	0.54318408	0.993642
02/14/1945	106.932592	0.99582683	0.45473484	120.523640	167.171068	6.188892	0.54298968	0.993748
02/22/1974	174.098939	0.99670813	0.45489484	121.175019	166.618928	6.168218	0.54331075	0.995068
03/02/2003	248.480166	0.99536375	0.45489569	121.302833	166.275355	6.174085	0.54257707	0.993055
03/09/2032	319.151778	0.99533094	0.45530303	121.558318	165.929134	6.026521	0.54215374	0.993006
03/17/2061	38.346147	0.99583317	0.45531847	121.715199	165.771250	6.032827	0.54241193	0.993758
03/25/2090	108.279949	0.99592249	0.45524608	121.874796	165.602049	6.039606	0.54253268	0.993891
04/03/2119	183.098456	0.99556826	0.45534402	122.064269	165.438856	6.047098	0.54224221	0.993361
04/10/2148	255.838984	0.99554897	0.45547966	122.627395	164.785490	6.028929	0.54209667	0.993332
04/18/2177	327.636370	0.99746740	0.45539696	122.569929	164.555654	6.031990	0.54322378	0.996205

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