Asteroid General Data

2021 RT₉

General information

Preliminary designation	2021 RT₉
Group	Amor
Absolute magnitude	22.97
Approximate diameter (m)	68
Approximate mass (kg)	5.67·10⁸
Number of observations	29
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	126.433847
a – orbit major semiaxis (astronomical units)	1.69403800
e – orbit eccentricity	0.37678000
ω – orbit ascending node-perihelion angle (degrees)	301.089634
Ω – longitude of orbit ascending node (degrees)	351.604421
i – orbit inclination to the ecliptic plane (degrees)	29.211083

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	111.119409	1.70188616	0.38275976	299.803751	353.001403	29.189815	1.05047262	2.220222
01/21/1858	136.374963	1.70201484	0.38242158	300.029249	352.798413	29.207610	1.05112765	2.220474
01/29/1887	161.347178	1.70192557	0.38171694	300.246356	352.587257	29.235209	1.05227175	2.220299
02/07/1916	186.804863	1.70171978	0.38111336	300.436238	352.396701	29.256359	1.05317163	2.219896
02/14/1945	212.606676	1.70188367	0.38062089	300.654868	352.176827	29.279510	1.05411119	2.220217
02/22/1974	238.127149	1.70208884	0.38003913	300.854754	351.987559	29.296117	1.05522848	2.220618
03/02/2003	263.185312	1.70217461	0.37943666	301.094039	351.766002	29.321290	1.05630717	2.220786
03/09/2032	288.390215	1.70179956	0.37900618	301.266980	351.583785	29.338789	1.05680701	2.220052
03/17/2061	314.047779	1.70178283	0.37862945	301.457413	351.380580	29.357007	1.05743773	2.220020
03/25/2090	339.900979	1.70179596	0.37777126	301.642112	351.188155	29.379683	1.05890636	2.220045
04/03/2119	5.138386	1.70202805	0.37708936	301.838865	351.007600	29.398075	1.06021138	2.220500
04/10/2148	30.126774	1.70198866	0.37644298	302.080132	350.791711	29.423182	1.06128697	2.220422
04/18/2177	55.556100	1.70186249	0.37594987	302.295440	350.604224	29.442821	1.06204751	2.220176

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