Asteroid General Data

1978 RA (2100 Ra-Shalom)

General information

Preliminary designation	1978 RA
Name	Ra-Shalom
Number	2100
Group	Aten
Absolute magnitude	16.24
Approximate diameter (m)	1 500
Approximate mass (kg)	6.19·10¹²
Number of observations	4874
Arc length (days)	18358

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	278.704344
a – orbit major semiaxis (astronomical units)	0.83203300
e – orbit eccentricity	0.43651300
ω – orbit ascending node-perihelion angle (degrees)	356.082043
Ω – longitude of orbit ascending node (degrees)	170.761422
i – orbit inclination to the ecliptic plane (degrees)	15.759251

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	118.478222	0.83200383	0.43638892	355.203741	171.873372	15.728805	0.46892657	0.758907
01/21/1858	203.943099	0.83206957	0.43636699	355.323753	171.708698	15.736435	0.46898188	0.758997
01/29/1887	289.085186	0.83207018	0.43635407	355.464723	171.554333	15.741989	0.46899297	0.758998
02/07/1916	14.550855	0.83202996	0.43654745	355.590200	171.383487	15.741814	0.46880940	0.758943
02/14/1945	99.898700	0.83206430	0.43644119	355.719657	171.219778	15.749703	0.46891716	0.758990
02/22/1974	185.037012	0.83204637	0.43653694	355.863669	171.060509	15.751415	0.46882739	0.758965
03/02/2003	270.559656	0.83198623	0.43657043	355.971739	170.901090	15.752690	0.46876564	0.758883
03/09/2032	355.754223	0.83213204	0.43643925	356.108998	170.736573	15.759805	0.46895695	0.759082
03/17/2061	81.095256	0.83200964	0.43653613	356.250511	170.571747	15.758445	0.46880737	0.758915
03/25/2090	166.656295	0.83206175	0.43654308	356.371830	170.408001	15.766426	0.46883095	0.758986
04/03/2119	251.678288	0.83208302	0.43650958	356.510425	170.256973	15.771391	0.46887082	0.759015
04/10/2148	337.215418	0.83201544	0.43664043	356.643207	170.093958	15.769832	0.46872386	0.758923
04/18/2177	62.655984	0.83209021	0.43662813	356.773351	169.924585	15.780405	0.46877621	0.759025

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