Asteroid General Data

2021 RW₉

General information

Preliminary designation	2021 RW₉
Group	Apollo
Absolute magnitude	20.95
Approximate diameter (m)	170
Approximate mass (kg)	9.24·10⁹
Number of observations	18
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	227.271289
a – orbit major semiaxis (astronomical units)	1.21394200
e – orbit eccentricity	0.71100000
ω – orbit ascending node-perihelion angle (degrees)	126.181900
Ω – longitude of orbit ascending node (degrees)	8.859310
i – orbit inclination to the ecliptic plane (degrees)	63.371139

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	60.467474	1.24503761	0.72401686	125.401605	9.722641	63.525080	0.34360939	1.389231
01/21/1858	20.805227	1.24506669	0.72264707	125.371859	9.615220	63.580790	0.34532289	1.389279
01/29/1887	341.961329	1.24497111	0.72149917	125.366413	9.504255	63.637659	0.34672549	1.389119
02/07/1916	304.005254	1.24491084	0.72014023	125.344950	9.397542	63.694132	0.34840046	1.389018
02/14/1945	267.118877	1.24481232	0.71900721	125.328018	9.290288	63.747246	0.34978328	1.388853
02/22/1974	231.193036	1.24460034	0.71775347	125.310175	9.189260	63.797002	0.35128412	1.388499
03/02/2003	195.164521	1.24463094	0.71648289	125.281567	9.083400	63.849494	0.35287416	1.388550
03/09/2032	158.762602	1.24472020	0.71522814	125.254184	8.991732	63.889555	0.35446129	1.388699
03/17/2061	121.083243	1.24488750	0.71393522	125.221239	8.884256	63.941728	0.35611847	1.388979
03/25/2090	81.995997	1.24509108	0.71269277	125.194890	8.786023	63.986464	0.35772367	1.389320
04/03/2119	42.389776	1.24520680	0.71134648	125.160889	8.682785	64.036835	0.35943332	1.389514
04/10/2148	2.386442	1.24506203	0.71017199	125.153192	8.578380	64.091391	0.36085386	1.389271
04/18/2177	322.757141	1.24498567	0.70879956	125.124871	8.476458	64.144536	0.36254038	1.389144

Detailed table...

3D animation...

Calculation on the date...

Return to search