Asteroid General Data

2009 UN

General information

Preliminary designation	2009 UN
Group	Amor
Absolute magnitude	21.36
Approximate diameter (m)	140
Approximate mass (kg)	5.25·10⁹
Number of observations	49
Arc length (days)	83

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	188.177339
a – orbit major semiaxis (astronomical units)	2.83741700
e – orbit eccentricity	0.58785000
ω – orbit ascending node-perihelion angle (degrees)	7.122269
Ω – longitude of orbit ascending node (degrees)	34.716345
i – orbit inclination to the ecliptic plane (degrees)	2.359275

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	288.680868	2.81703781	0.59666387	4.407433	37.011540	2.621459	1.13621313	4.728132
01/21/1858	342.172772	2.80179423	0.60321612	4.937952	36.661880	2.598295	1.11170680	4.689807
01/29/1887	47.874566	2.79841151	0.60486664	5.143486	36.430283	2.577450	1.10574574	4.681316
02/07/1916	111.390965	2.81615492	0.59874916	5.533356	36.067276	2.523680	1.12998454	4.725910
02/14/1945	162.403812	2.82292703	0.59431281	5.966673	35.678338	2.474252	1.14522534	4.742967
02/22/1974	198.082726	2.83133924	0.59053546	6.412505	35.307828	2.423735	1.15933301	4.764183
03/02/2003	220.877715	2.83890345	0.58722653	6.818943	35.004756	2.384814	1.17182404	4.783288
03/09/2032	240.469955	2.84355311	0.58524403	7.105338	34.715979	2.350215	1.17938064	4.795044
03/17/2061	270.336310	2.83367410	0.58846627	7.873359	34.047951	2.332643	1.16615247	4.770078
03/25/2090	315.459934	2.80934449	0.59995834	8.690853	33.438650	2.292142	1.12385483	4.708777
04/03/2119	15.336691	2.80078933	0.60334425	9.004164	33.141408	2.271881	1.11094919	4.687284
04/10/2148	77.430271	2.80681312	0.60207775	9.265126	32.893874	2.245510	1.11689338	4.702414
04/18/2177	128.454309	2.82852927	0.59331338	9.851229	32.356143	2.179034	1.15032500	4.757093

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