Asteroid General Data

2017 ER₂₂ (844707)

General information

Preliminary designation	2017 ER₂₂
Number	844707
Group	Apollo
Absolute magnitude	19.52
Approximate diameter (m)	330
Approximate mass (kg)	6.67·10¹⁰
Number of observations	153
Arc length (days)	3023

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	8.900221
a – orbit major semiaxis (astronomical units)	1.55065800
e – orbit eccentricity	0.46536400
ω – orbit ascending node-perihelion angle (degrees)	25.562123
Ω – longitude of orbit ascending node (degrees)	57.430957
i – orbit inclination to the ecliptic plane (degrees)	23.896117

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	237.912673	1.55057729	0.46363758	23.984508	58.454308	24.096933	0.83167139	1.930815
01/21/1858	248.131998	1.55050242	0.46367323	24.225770	58.294787	24.062236	0.83157596	1.930675
01/29/1887	258.689116	1.55052327	0.46392559	24.430426	58.156424	24.037349	0.83119585	1.930714
02/07/1916	268.528148	1.55066890	0.46431613	24.683442	57.999026	24.004621	0.83066832	1.930986
02/14/1945	278.999459	1.55059899	0.46436156	24.908562	57.856429	23.976348	0.83056042	1.930856
02/22/1974	289.051893	1.55098967	0.46483644	25.149347	57.698792	23.943447	0.83003315	1.931586
03/02/2003	299.072801	1.55065175	0.46512040	25.382067	57.556304	23.920036	0.82941199	1.930954
03/09/2032	309.576331	1.55065048	0.46553607	25.631903	57.401128	23.887566	0.82876675	1.930952
03/17/2061	319.140019	1.55056714	0.46588699	25.852133	57.251723	23.863567	0.82817809	1.930796
03/25/2090	329.713162	1.55064162	0.46636696	26.036914	57.110857	23.841014	0.82747360	1.930936
04/03/2119	339.492757	1.55085416	0.46655836	26.293618	56.943100	23.804709	0.82729019	1.931333
04/10/2148	349.289803	1.55065197	0.46664898	26.499794	56.799245	23.777659	0.82704180	1.930955
04/18/2177	359.753719	1.55066170	0.46690780	26.748971	56.631819	23.743931	0.82664565	1.930973

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