Asteroid General Data

2008 EM₉ (364877)

General information

Preliminary designation	2008 EM₉
Number	364877
Group	Apollo
Absolute magnitude	17.34
Approximate diameter (m)	900
Approximate mass (kg)	1.35·10¹²
Number of observations	391
Arc length (days)	5914

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	292.933453
a – orbit major semiaxis (astronomical units)	1.95897800
e – orbit eccentricity	0.85234800
ω – orbit ascending node-perihelion angle (degrees)	181.793854
Ω – longitude of orbit ascending node (degrees)	229.678146
i – orbit inclination to the ecliptic plane (degrees)	9.434941

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	280.304822	1.96035028	0.85250343	179.824090	230.861281	9.169630	0.28914494	2.744739
01/21/1858	127.719502	1.96137779	0.85160380	180.097810	230.671781	9.172926	0.29106102	2.746898
01/29/1887	335.098648	1.95889650	0.85286312	180.344878	230.518278	9.253718	0.28822592	2.741687
02/07/1916	181.689756	1.95908123	0.85272029	180.668060	230.329374	9.301317	0.28853291	2.742075
02/14/1945	28.251545	1.96022036	0.85182526	180.976986	230.160101	9.313280	0.29045514	2.744467
02/22/1974	235.420910	1.95976931	0.85173969	181.323359	229.957852	9.356271	0.29055600	2.743519
03/02/2003	83.981218	1.95988833	0.85168079	181.537347	229.809407	9.380306	0.29068910	2.743769
03/09/2032	291.907683	1.96019008	0.85162328	181.838189	229.648868	9.419414	0.29084658	2.744403
03/17/2061	138.230363	1.95911370	0.85237990	182.139977	229.483635	9.475909	0.28920456	2.742143
03/25/2090	343.581794	1.95910691	0.85228293	182.499973	229.274194	9.504790	0.28939354	2.742129
04/03/2119	190.305646	1.96160243	0.85092084	182.769163	229.092952	9.487867	0.29243405	2.747370
04/10/2148	37.476534	1.95994580	0.85176500	182.940691	228.984114	9.533212	0.29053257	2.743890
04/18/2177	242.466423	1.95983898	0.85179217	183.260520	228.799198	9.562268	0.29046347	2.743666

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