Asteroid General Data

2013 ER₈₉

General information

Preliminary designation	2013 ER₈₉
Group	Apollo
Absolute magnitude	20.19
Approximate diameter (m)	240
Approximate mass (kg)	2.64·10¹⁰
Number of observations	125
Arc length (days)	4043

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	2.075656
a – orbit major semiaxis (astronomical units)	1.69492100
e – orbit eccentricity	0.53586200
ω – orbit ascending node-perihelion angle (degrees)	283.759078
Ω – longitude of orbit ascending node (degrees)	0.849039
i – orbit inclination to the ecliptic plane (degrees)	26.989832

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	156.894453	1.69540933	0.53818131	281.581425	3.263310	26.840079	0.78297172	2.207560
01/21/1858	210.020298	1.69460671	0.53791448	281.849316	2.930993	26.859714	0.78305322	2.205992
01/29/1887	263.626562	1.69511419	0.53749327	282.216849	2.550862	26.882168	0.78400173	2.206983
02/07/1916	316.685638	1.69535677	0.53709404	282.514175	2.224598	26.900683	0.78479075	2.207457
02/14/1945	11.364740	1.69500700	0.53664267	282.860335	1.840942	26.927060	0.78539392	2.206774
02/22/1974	65.691213	1.69480132	0.53657719	283.139199	1.516874	26.946892	0.78540959	2.206372
03/02/2003	120.905255	1.69462855	0.53634107	283.475748	1.149260	26.967860	0.78572965	2.206035
03/09/2032	175.408513	1.69508871	0.53577325	283.762595	0.819009	26.988913	0.78690552	2.206934
03/17/2061	230.102627	1.69518369	0.53543068	284.108091	0.445370	27.013171	0.78753033	2.207119
03/25/2090	283.249358	1.69519769	0.53501658	284.384156	0.127559	27.039701	0.78823882	2.207146
04/03/2119	336.817615	1.69507213	0.53442288	284.612907	359.831154	27.061018	0.78918681	2.206901
04/10/2148	30.061201	1.69536827	0.53398828	284.984342	359.449279	27.088308	0.79006148	2.207480
04/18/2177	83.335256	1.69460630	0.53359434	285.256838	359.131673	27.115473	0.79037397	2.205992

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