Asteroid General Data

2021 CO₉

General information

Preliminary designation	2021 CO₉
Group	Amor
Absolute magnitude	19.75
Approximate diameter (m)	300
Approximate mass (kg)	4.85·10¹⁰
Number of observations	44
Arc length (days)	2928

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	164.277549
a – orbit major semiaxis (astronomical units)	2.56936000
e – orbit eccentricity	0.49929500
ω – orbit ascending node-perihelion angle (degrees)	263.684006
Ω – longitude of orbit ascending node (degrees)	174.879522
i – orbit inclination to the ecliptic plane (degrees)	25.666035

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	196.034981	2.57266989	0.49436223	259.607132	179.679058	25.814973	1.30083906	4.126451
01/21/1858	211.438152	2.56950029	0.49684330	261.134611	178.443365	25.764821	1.29286130	4.118828
01/29/1887	224.076472	2.57377047	0.49253354	261.554914	177.819791	25.774282	1.30610219	4.129099
02/07/1916	232.925254	2.57217455	0.49498336	261.361408	177.571990	25.762166	1.29899094	4.125259
02/14/1945	247.189125	2.56816103	0.49931685	262.419005	176.668511	25.699695	1.28583495	4.115608
02/22/1974	261.522468	2.57465712	0.49439395	263.503032	175.568558	25.687433	1.30176223	4.131233
03/02/2003	269.952852	2.57640964	0.49411846	263.356874	175.329088	25.688248	1.30335809	4.135452
03/09/2032	281.930109	2.56991173	0.50046801	264.294390	174.373453	25.625612	1.28375311	4.119817
03/17/2061	297.556942	2.57201103	0.49753775	265.499450	173.326794	25.642988	1.29233846	4.124866
03/25/2090	307.409761	2.57479975	0.49572369	265.347761	173.027535	25.648103	1.29841051	4.131577
04/03/2119	317.977265	2.56913946	0.50110217	265.652499	172.528630	25.621459	1.28173811	4.117960
04/10/2148	334.040515	2.56925429	0.50080452	267.075237	171.329717	25.609348	1.28256012	4.118236
04/18/2177	345.302785	2.57606121	0.49583859	267.275141	170.742681	25.627441	1.29875064	4.134613

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