Asteroid General Data

2025 ST₄

General information

Preliminary designation	2025 ST₄
Group	Apollo
Absolute magnitude	28.95
Approximate diameter (m)	4
Approximate mass (kg)	1.47·10⁵
Number of observations	28
Arc length (days)	2

Approaches

Date	Object	r, AU	r, km
09/22/2025 07:55:12 PM	Earth	0.000582	87 017

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	192.954658
a – orbit major semiaxis (astronomical units)	1.60871975
e – orbit eccentricity	0.45363109
ω – orbit ascending node-perihelion angle (degrees)	126.721565
Ω – longitude of orbit ascending node (degrees)	179.924979
i – orbit inclination to the ecliptic plane (degrees)	6.496947

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	188.845356	1.68140011	0.47474100	125.067838	182.774452	5.004001	0.88317054	2.180255
01/21/1858	330.061650	1.66913100	0.47149476	125.125771	182.349176	5.116591	0.88214448	2.156434
01/29/1887	134.034014	1.66929857	0.47174241	125.657203	181.930074	5.131733	0.88181964	2.156759
02/07/1916	299.903024	1.66854094	0.47148127	126.138699	181.538360	5.143286	0.88185514	2.155291
02/14/1945	138.380188	1.66034606	0.46985072	126.359304	181.115253	5.201208	0.88023126	2.139432
02/22/1974	340.542689	1.66037986	0.46975976	126.777288	180.752636	5.216385	0.88040022	2.139498
03/02/2003	183.126999	1.66101897	0.46974356	127.356789	180.292356	5.226324	0.88076601	2.140733
03/09/2032	79.094080	1.60870676	0.45369730	126.761038	179.893769	6.499753	0.87884085	2.040403
03/17/2061	159.628635	1.60911193	0.45376141	127.163304	179.602743	6.512441	0.87895904	2.041174
03/25/2090	236.243201	1.61034780	0.45416660	127.708754	179.229102	6.525452	0.87898161	2.043526
04/03/2119	307.088926	1.61064167	0.45401504	128.075120	178.967602	6.538619	0.87938613	2.044085
04/10/2148	17.831504	1.61060436	0.45402239	128.579338	178.587202	6.556586	0.87935393	2.044014
04/18/2177	90.198302	1.60977161	0.45402973	128.946067	178.253517	6.571921	0.87888744	2.042429

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