Asteroid General Data

2025 ER₂

General information

Preliminary designation	2025 ER₂
Group	Aten
Absolute magnitude	27.70
Approximate diameter (m)	8
Approximate mass (kg)	8.24·10⁵
Number of observations	21
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	68.294703
a – orbit major semiaxis (astronomical units)	0.87770900
e – orbit eccentricity	0.24187300
ω – orbit ascending node-perihelion angle (degrees)	224.808669
Ω – longitude of orbit ascending node (degrees)	161.869995
i – orbit inclination to the ecliptic plane (degrees)	18.559993

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	124.555326	0.87411566	0.24635963	224.017976	162.959945	18.406202	0.65876885	0.817248
01/21/1858	297.046529	0.87461703	0.24581963	224.121425	162.758736	18.422183	0.65961899	0.817951
01/29/1887	108.434639	0.87512438	0.24514095	224.414635	162.636260	18.422110	0.66059556	0.818663
02/07/1916	261.971145	0.87576744	0.24527018	224.600556	162.499083	18.417301	0.66096780	0.819566
02/14/1945	43.930794	0.87680933	0.24557471	224.764026	162.335946	18.414312	0.66148713	0.821029
02/22/1974	148.328218	0.87917291	0.24313000	225.242760	162.173164	18.471803	0.66541960	0.824351
03/02/2003	222.952551	0.87922778	0.24293128	225.309156	161.996361	18.479554	0.66563585	0.824428
03/09/2032	306.094085	0.87746534	0.24179474	224.845944	161.842097	18.561529	0.66529883	0.821950
03/17/2061	95.971045	0.87376518	0.24119855	224.681035	161.659265	18.593972	0.66301428	0.816757
03/25/2090	290.493209	0.87404462	0.24151319	224.763692	161.514876	18.589625	0.66295131	0.817149
04/03/2119	103.400546	0.87595943	0.23931346	225.400526	161.332888	18.605176	0.66633055	0.819835
04/10/2148	248.287474	0.87566149	0.23930822	225.469101	161.208058	18.602679	0.66610850	0.819417
04/18/2177	52.803396	0.87412956	0.24055451	225.119852	161.066430	18.596380	0.66385375	0.817268

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