Asteroid General Data

2011 ET₂₉ (855525)

General information

Preliminary designation	2011 ET₂₉
Number	855525
Group	Amor
Absolute magnitude	18.98
Approximate diameter (m)	420
Approximate mass (kg)	1.41·10¹¹
Number of observations	217
Arc length (days)	4195

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	58.937646
a – orbit major semiaxis (astronomical units)	2.37216500
e – orbit eccentricity	0.47655100
ω – orbit ascending node-perihelion angle (degrees)	227.024673
Ω – longitude of orbit ascending node (degrees)	8.374149
i – orbit inclination to the ecliptic plane (degrees)	11.444111

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	345.665446	2.36711629	0.47529070	219.118258	13.849067	12.263833	1.24204793	3.641917
01/21/1858	329.819211	2.36521852	0.47806691	220.486064	13.019745	12.123733	1.23448582	3.637538
01/29/1887	315.889463	2.37119671	0.47399257	221.851263	12.098121	11.966769	1.24726708	3.651338
02/07/1916	303.680808	2.36678988	0.47799278	222.027796	11.806095	11.946394	1.23548141	3.641163
02/14/1945	285.412550	2.36663402	0.47867779	223.718406	10.747507	11.777899	1.23377887	3.640804
02/22/1974	273.106924	2.37097654	0.47568739	224.003951	10.339654	11.735151	1.24313291	3.650829
03/02/2003	256.577448	2.36654862	0.47949822	225.351235	9.438424	11.603173	1.23179278	3.640607
03/09/2032	238.612317	2.37223097	0.47681033	227.076738	8.346930	11.438339	1.24112674	3.653727
03/17/2061	225.802127	2.37158994	0.47770473	227.342211	7.935069	11.394483	1.23867020	3.652246
03/25/2090	206.547452	2.36804851	0.48130233	228.966049	6.880163	11.261910	1.22830126	3.644068
04/03/2119	190.568232	2.37544856	0.47820430	230.058626	6.046786	11.132868	1.23949884	3.661163
04/10/2148	176.531558	2.36772516	0.48190815	230.725276	5.398079	11.096762	1.22669912	3.643322
04/18/2177	157.259967	2.36960137	0.48189376	232.580390	4.153789	10.944151	1.22770526	3.647653

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