Asteroid General Data

2023 ER

General information

Preliminary designation	2023 ER
Group	Apollo
Absolute magnitude	24.10
Approximate diameter (m)	40
Approximate mass (kg)	1.19·10⁸
Number of observations	31
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	192.197752
a – orbit major semiaxis (astronomical units)	1.03325000
e – orbit eccentricity	0.32886400
ω – orbit ascending node-perihelion angle (degrees)	78.018731
Ω – longitude of orbit ascending node (degrees)	348.608881
i – orbit inclination to the ecliptic plane (degrees)	17.412335

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	103.182225	1.03696196	0.32926168	77.420464	349.815094	17.446909	0.69553012	1.055954
01/21/1858	277.033537	1.03676582	0.32912027	77.592734	349.638277	17.444314	0.69554517	1.055654
01/29/1887	94.567574	1.03664502	0.32901677	77.759177	349.463958	17.444381	0.69557142	1.055470
02/07/1916	269.900297	1.03670408	0.32909498	77.887959	349.284114	17.443935	0.69552997	1.055560
02/14/1945	90.286993	1.03612910	0.32877797	78.046181	349.118874	17.445668	0.69547268	1.054682
02/22/1974	272.947040	1.03724894	0.32868779	78.445802	348.933871	17.426700	0.69631788	1.056392
03/02/2003	80.023069	1.03757726	0.32872016	78.602008	348.760255	17.429176	0.69650469	1.056894
03/09/2032	269.121632	1.03310869	0.32889008	78.063519	348.579323	17.414239	0.69332950	1.050073
03/17/2061	127.618985	1.03428813	0.32891842	78.378573	348.410033	17.406412	0.69409171	1.051872
03/25/2090	343.833507	1.03394201	0.32892810	78.470650	348.229192	17.404206	0.69384942	1.051344
04/03/2119	207.408956	1.03304035	0.32895078	78.421990	348.060710	17.402146	0.69322093	1.049969
04/10/2148	85.177729	1.03243855	0.32883645	78.429647	347.872687	17.403346	0.69293512	1.049052
04/18/2177	317.588888	1.03388046	0.32900078	78.824059	347.691319	17.385643	0.69373298	1.051250

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