Asteroid General Data

2026 ET₁

General information

Preliminary designation	2026 ET₁
Group	Apollo
Absolute magnitude	27.15
Approximate diameter (m)	10
Approximate mass (kg)	1.76·10⁶
Number of observations	55
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	131.265849
a – orbit major semiaxis (astronomical units)	1.37788500
e – orbit eccentricity	0.28184900
ω – orbit ascending node-perihelion angle (degrees)	148.568301
Ω – longitude of orbit ascending node (degrees)	352.738362
i – orbit inclination to the ecliptic plane (degrees)	8.994928

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	344.888240	1.37760325	0.28297624	145.871623	354.271586	8.916030	0.98777427	1.616914
01/21/1858	337.854059	1.37539481	0.28170746	146.201236	354.007765	8.934952	0.98793583	1.613027
01/29/1887	332.362025	1.37628501	0.28206849	146.506656	353.843603	8.933703	0.98807837	1.614593
02/07/1916	315.086934	1.37805468	0.28273611	146.995636	353.637019	8.936355	0.98842886	1.617709
02/14/1945	294.496869	1.37736405	0.28242937	147.269728	353.421216	8.942295	0.98835598	1.616493
02/22/1974	283.296428	1.37610041	0.28168844	147.710394	353.165619	8.973863	0.98846883	1.614269
03/02/2003	280.741561	1.37502426	0.28098042	147.978876	352.955778	8.979057	0.98866937	1.612375
03/09/2032	270.069303	1.37773900	0.28194705	148.586413	352.713606	8.994997	0.98928954	1.617153
03/17/2061	248.681316	1.37752815	0.28170232	148.898285	352.531214	8.995544	0.98947528	1.616782
03/25/2090	232.736982	1.37629480	0.28099320	149.175862	352.302439	9.008983	0.98956533	1.614611
04/03/2119	226.391481	1.37559025	0.28059160	149.482835	352.100721	9.012689	0.98961118	1.613371
04/10/2148	219.908804	1.37603167	0.28062606	149.764226	351.935155	9.010893	0.98988132	1.614148
04/18/2177	197.868832	1.37840084	0.28164952	150.252368	351.728769	9.010962	0.99017491	1.618318

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