Asteroid General Data

2025 HS₁₈

General information

Preliminary designation	2025 HS₁₈
Group	Apollo
Absolute magnitude	27.35
Approximate diameter (m)	9
Approximate mass (kg)	1.34·10⁶
Number of observations	104
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	139.457645
a – orbit major semiaxis (astronomical units)	2.38081800
e – orbit eccentricity	0.58043400
ω – orbit ascending node-perihelion angle (degrees)	152.051712
Ω – longitude of orbit ascending node (degrees)	48.969463
i – orbit inclination to the ecliptic plane (degrees)	1.096994

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	315.842124	2.34529695	0.58210640	150.250390	47.596867	1.236020	0.98008458	3.591678
01/21/1858	335.804080	2.34682063	0.57990696	152.206179	46.045200	1.247997	0.98588302	3.595179
01/29/1887	352.792476	2.36097661	0.57877098	152.182406	46.129819	1.236482	0.99451187	3.627757
02/07/1916	351.892116	2.36263861	0.58539560	152.324999	46.796842	1.202110	0.97956035	3.631588
02/14/1945	337.901725	2.36303428	0.58509628	152.277128	47.486860	1.160543	0.98043172	3.632500
02/22/1974	338.162802	2.36233634	0.58475575	151.993784	47.641340	1.156002	0.98094657	3.630891
03/02/2003	327.872511	2.35850650	0.58598487	152.011043	48.203009	1.119035	0.97645739	3.622065
03/09/2032	316.057930	2.38120908	0.58028312	152.066958	49.004508	1.095287	0.99943365	3.674489
03/17/2061	292.755410	2.37462550	0.58441241	152.096069	48.859391	1.093688	0.98686490	3.659260
03/25/2090	260.857033	2.37105708	0.58360312	152.127158	49.666738	1.049918	0.98730076	3.651015
04/03/2119	245.664518	2.38195743	0.57749508	151.520968	50.493696	1.023023	1.00638874	3.676221
04/10/2148	222.143629	2.36810380	0.58470966	151.371341	50.918753	1.003202	0.98345064	3.644196
04/18/2177	190.389375	2.38436323	0.58153998	152.077354	50.476154	1.008663	0.99776068	3.681792

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