Asteroid General Data

2015 ET

General information

Preliminary designation	2015 ET
Group	Apollo
Absolute magnitude	26.68
Approximate diameter (m)	12
Approximate mass (kg)	3.37·10⁶
Number of observations	99
Arc length (days)	14

Approaches

Date	Object	r, AU	r, km
03/10/2015 04:48:00 PM	Earth	0.000834	124 751

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	1.804531
a – orbit major semiaxis (astronomical units)	2.03414031
e – orbit eccentricity	0.57898519
ω – orbit ascending node-perihelion angle (degrees)	124.465790
Ω – longitude of orbit ascending node (degrees)	353.912572
i – orbit inclination to the ecliptic plane (degrees)	0.596995

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	66.731243	2.06969770	0.55974079	321.538408	157.133536	0.212910	0.91120348	2.977563
01/21/1858	341.986988	2.06557725	0.56394320	321.003880	157.665413	0.216492	0.90070900	2.968676
01/29/1887	253.844410	2.06580986	0.56723685	322.316152	156.579514	0.220617	0.89400638	2.969177
02/07/1916	178.324183	2.06058778	0.57220172	321.983508	157.035833	0.224548	0.88151590	2.957926
02/14/1945	111.607445	2.05862183	0.57516006	321.393528	157.673218	0.229811	0.87458478	2.953694
02/22/1974	46.161066	2.05839127	0.57970693	321.593142	157.379144	0.236397	0.86512758	2.953198
03/02/2003	344.434942	2.05678522	0.58151382	320.777748	158.144243	0.242411	0.86073619	2.949742
03/09/2032	321.233427	2.03359735	0.57954910	124.603432	353.752126	0.596943	0.85502784	2.900000
03/17/2061	315.682094	2.03904967	0.57638329	131.415397	346.923143	0.572924	0.86377552	2.911671
03/25/2090	298.535003	2.04164514	0.57231525	131.482710	347.074021	0.562692	0.87318049	2.917232
04/03/2119	273.056873	2.04730711	0.57270480	133.141297	346.138500	0.555598	0.87480451	2.929376
04/10/2148	242.279619	2.04362857	0.57519783	134.281962	345.408935	0.554555	0.86813785	2.921484
04/18/2177	225.451371	2.03816754	0.57970105	135.625887	344.207800	0.555814	0.85663968	2.909782

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