Asteroid General Data

2025 ST₂₀

General information

Preliminary designation	2025 ST₂₀
Group	Apollo
Absolute magnitude	21.61
Approximate diameter (m)	130
Approximate mass (kg)	3.71·10⁹
Number of observations	47
Arc length (days)	77

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	108.033451
a – orbit major semiaxis (astronomical units)	2.21030000
e – orbit eccentricity	0.54449200
ω – orbit ascending node-perihelion angle (degrees)	325.177020
Ω – longitude of orbit ascending node (degrees)	38.697409
i – orbit inclination to the ecliptic plane (degrees)	7.899484

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	50.890234	2.20821806	0.54535783	320.732432	41.661611	7.691154	1.00394904	3.281433
01/21/1858	355.557598	2.20643379	0.54642957	321.225254	41.251268	7.715396	1.00077313	3.277457
01/29/1887	299.590762	2.20758173	0.54579451	322.093202	40.733930	7.756848	1.00269575	3.280015
02/07/1916	242.472050	2.20917532	0.54642807	322.513929	40.372932	7.779989	1.00201992	3.283567
02/14/1945	179.956865	2.21252201	0.54558986	323.367228	39.836559	7.822551	1.00539244	3.291031
02/22/1974	116.082808	2.21224346	0.54629548	323.870046	39.487602	7.845872	1.00370486	3.290410
03/02/2003	50.483610	2.21248199	0.54449091	324.460207	39.158406	7.866145	1.00780565	3.290942
03/09/2032	348.356058	2.20977288	0.54525217	325.188106	38.624475	7.908506	1.00488942	3.284899
03/17/2061	288.753086	2.20978364	0.54380613	325.851653	38.263943	7.935600	1.00808975	3.284923
03/25/2090	231.485465	2.20839275	0.54472347	326.549369	37.795049	7.973811	1.00542938	3.281822
04/03/2119	174.085445	2.20904246	0.54390341	327.189356	37.436300	7.997865	1.00753674	3.283271
04/10/2148	116.017174	2.20844902	0.54506895	327.830097	37.011689	8.033442	1.00469204	3.281948
04/18/2177	55.620529	2.21096037	0.54451052	328.427097	36.656942	8.054953	1.00706918	3.287548

Detailed table...

3D animation...

Calculation on the date...

Return to search