Asteroid General Data

2021 HY₁

General information

Preliminary designation	2021 HY₁
Group	Amor
Absolute magnitude	23.87
Approximate diameter (m)	45
Approximate mass (kg)	1.64·10⁸
Number of observations	21
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	276.078844
a – orbit major semiaxis (astronomical units)	1.29627900
e – orbit eccentricity	0.15762500
ω – orbit ascending node-perihelion angle (degrees)	120.680340
Ω – longitude of orbit ascending node (degrees)	35.566493
i – orbit inclination to the ecliptic plane (degrees)	21.816274

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	297.977925	1.29620378	0.15839320	119.371303	36.403636	21.813887	1.09089392	1.475742
01/21/1858	177.106121	1.29611224	0.15835709	119.599282	36.275541	21.815447	1.09086368	1.475586
01/29/1887	56.216985	1.29618166	0.15822414	119.797037	36.155823	21.815312	1.09109443	1.475705
02/07/1916	295.199289	1.29616581	0.15805209	119.998479	36.028971	21.816290	1.09130410	1.475677
02/14/1945	174.107972	1.29611956	0.15788179	120.151426	35.908920	21.816419	1.09148589	1.475599
02/22/1974	53.466910	1.29610837	0.15784162	120.303608	35.789451	21.815276	1.09152853	1.475579
03/02/2003	292.797257	1.29610043	0.15768314	120.513313	35.667158	21.816187	1.09172725	1.475566
03/09/2032	171.748355	1.29618575	0.15755287	120.682361	35.547316	21.816000	1.09196796	1.475712
03/17/2061	50.761686	1.29618618	0.15736920	120.888470	35.424914	21.817805	1.09220639	1.475712
03/25/2090	289.801788	1.29623399	0.15727271	121.050004	35.306969	21.818744	1.09237175	1.475794
04/03/2119	168.674492	1.29617616	0.15721153	121.264732	35.180420	21.820617	1.09240232	1.475695
04/10/2148	47.803310	1.29628402	0.15709982	121.472483	35.061623	21.821357	1.09263804	1.475879
04/18/2177	287.366794	1.29621004	0.15697093	121.675687	34.935206	21.822338	1.09274274	1.475753

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