Asteroid General Data

1998 WT₇ (415711)

General information

Preliminary designation	1998 WT₇
Number	415711
Group	Amor
Absolute magnitude	19.01
Approximate diameter (m)	420
Approximate mass (kg)	1.35·10¹¹
Number of observations	562
Arc length (days)	9811

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	138.360891
a – orbit major semiaxis (astronomical units)	1.15187100
e – orbit eccentricity	0.10997500
ω – orbit ascending node-perihelion angle (degrees)	235.929537
Ω – longitude of orbit ascending node (degrees)	248.254060
i – orbit inclination to the ecliptic plane (degrees)	40.698753

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	176.826771	1.15179590	0.10892260	235.656498	248.747791	40.704068	1.02633930	1.236129
01/21/1858	347.536271	1.15196215	0.10906390	235.630710	248.673639	40.702399	1.02632466	1.236397
01/29/1887	158.350742	1.15181701	0.10926029	235.796523	248.601806	40.701460	1.02596915	1.236163
02/07/1916	329.389183	1.15189858	0.10937256	235.779736	248.527337	40.700196	1.02591248	1.236295
02/14/1945	140.255051	1.15185552	0.10958203	235.818586	248.456597	40.699501	1.02563286	1.236225
02/22/1974	311.147484	1.15193757	0.10974494	235.884059	248.383766	40.698565	1.02551825	1.236357
03/02/2003	122.035315	1.15192186	0.10987172	235.934570	248.311889	40.698616	1.02535822	1.236332
03/09/2032	292.911516	1.15185969	0.11005622	235.930691	248.242286	40.700190	1.02509036	1.236232
03/17/2061	103.990301	1.15180798	0.11013947	236.002562	248.167316	40.699786	1.02494846	1.236149
03/25/2090	274.352562	1.15195659	0.11035697	236.006019	248.092793	40.700644	1.02483015	1.236388
04/03/2119	85.245930	1.15180587	0.11036320	236.112036	248.018337	40.700329	1.02468889	1.236145
04/10/2148	256.682786	1.15183969	0.11071243	236.092582	247.947402	40.698203	1.02431672	1.236200
04/18/2177	66.642240	1.15190787	0.11083521	236.192725	247.871591	40.696736	1.02423592	1.236310

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