Asteroid General Data

2013 XS₂₁

General information

Preliminary designation	2013 XS₂₁
Group	Apollo
Absolute magnitude	29.38
Approximate diameter (m)	4
Approximate mass (kg)	8.09·10⁴
Number of observations	24
Arc length (days)	2

Approaches

Date	Object	r, AU	r, km
12/11/2013 11:31:12 PM	Earth	0.000485	72 561

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	299.744560
a – orbit major semiaxis (astronomical units)	1.91433395
e – orbit eccentricity	0.49424851
ω – orbit ascending node-perihelion angle (degrees)	341.196241
Ω – longitude of orbit ascending node (degrees)	80.370338
i – orbit inclination to the ecliptic plane (degrees)	3.079824

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	43.732581	1.94204198	0.50387508	337.406726	82.113676	1.035471	0.96349542	2.706378
01/21/1858	302.428948	1.94187589	0.50330228	337.498039	82.227918	1.030587	0.96452532	2.706031
01/29/1887	182.494855	1.95015304	0.50515177	337.781589	82.312826	1.023315	0.96502978	2.723351
02/07/1916	65.845858	1.94717829	0.50397232	338.534333	81.632215	1.036916	0.96585432	2.717122
02/14/1945	298.776992	1.95530401	0.50508349	338.906253	81.651752	1.029196	0.96771223	2.734148
02/22/1974	160.554507	1.95626869	0.50546660	338.968832	81.850197	1.023543	0.96744021	2.736172
03/02/2003	24.277231	1.95363966	0.50491835	339.259270	81.727706	1.022425	0.96721114	2.730658
03/09/2032	323.850260	1.91415585	0.49372557	341.328979	80.344223	3.078828	0.96908816	2.648296
03/17/2061	308.845476	1.91525147	0.49419024	341.638263	80.186406	3.077266	0.96875289	2.650570
03/25/2090	295.544727	1.91240942	0.49427069	342.351390	79.674561	3.099978	0.96716150	2.644673
04/03/2119	283.779583	1.91151528	0.49387483	342.815352	79.373206	3.101963	0.96746600	2.642818
04/10/2148	275.695512	1.91173469	0.49422012	343.065194	79.252723	3.101098	0.96691694	2.643273
04/18/2177	271.788572	1.91010625	0.49287238	343.733726	78.752320	3.123034	0.96866763	2.639897

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