Asteroid General Data

2003 MO (401998)

General information

Preliminary designation	2003 MO
Number	401998
Group	Apollo
Absolute magnitude	18.42
Approximate diameter (m)	550
Approximate mass (kg)	3.05·10¹¹
Number of observations	308
Arc length (days)	8065

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	131.085068
a – orbit major semiaxis (astronomical units)	1.96921300
e – orbit eccentricity	0.87589300
ω – orbit ascending node-perihelion angle (degrees)	164.663699
Ω – longitude of orbit ascending node (degrees)	240.058786
i – orbit inclination to the ecliptic plane (degrees)	21.460538

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	283.396580	1.96876862	0.88016224	161.704499	242.477989	19.583778	0.23593283	2.762439
01/21/1858	107.983911	1.96878437	0.87985544	162.011329	242.217093	19.767388	0.23653874	2.762472
01/29/1887	290.067584	1.96670238	0.88014751	162.608537	241.704247	20.177777	0.23571418	2.758091
02/07/1916	111.883818	1.96803612	0.87882650	163.127715	241.286373	20.486721	0.23847383	2.760897
02/14/1945	296.493817	1.96859287	0.87771064	163.379317	241.087088	20.620294	0.24073796	2.762069
02/22/1974	120.349958	1.96844903	0.87749254	163.904668	240.646943	20.993627	0.24114968	2.761766
03/02/2003	301.990143	1.96776645	0.87720675	164.411811	240.255983	21.337973	0.24162843	2.760330
03/09/2032	123.919115	1.96778479	0.87625308	164.911967	239.862204	21.669186	0.24350731	2.760368
03/17/2061	308.767274	1.96856363	0.87565076	165.155145	239.667585	21.821719	0.24478939	2.762007
03/25/2090	132.385228	1.96736183	0.87594646	165.649813	239.287589	22.214783	0.24405819	2.759478
04/03/2119	313.944979	1.96757280	0.87502573	166.070546	238.952016	22.504120	0.24589597	2.759922
04/10/2148	136.862974	1.97046357	0.87380112	166.375091	238.709326	22.653197	0.24867029	2.766007
04/18/2177	320.868214	1.96797124	0.87359315	166.729577	238.452080	22.948491	0.24876505	2.760761

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