Asteroid General Data

2021 CD₉

General information

Preliminary designation	2021 CD₉
Group	Apollo
Absolute magnitude	25.65
Approximate diameter (m)	20
Approximate mass (kg)	1.40·10⁷
Number of observations	18
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	39.111990
a – orbit major semiaxis (astronomical units)	1.50561400
e – orbit eccentricity	0.38966400
ω – orbit ascending node-perihelion angle (degrees)	338.472418
Ω – longitude of orbit ascending node (degrees)	100.491477
i – orbit inclination to the ecliptic plane (degrees)	3.278931

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	308.046398	1.50683354	0.39054047	335.932121	102.693038	3.348592	0.91835406	1.849688
01/21/1858	200.102118	1.50493264	0.38959596	336.032839	102.509098	3.340821	0.91861696	1.846189
01/29/1887	105.695525	1.50325564	0.38884002	336.135164	102.365780	3.341574	0.91872968	1.843104
02/07/1916	23.142852	1.50115766	0.38814597	336.475360	101.997478	3.341965	0.91848937	1.839247
02/14/1945	302.902126	1.50084531	0.38803855	336.742763	101.856313	3.343255	0.91845947	1.838673
02/22/1974	216.193222	1.50435646	0.38932778	337.460075	101.291153	3.304810	0.91866870	1.845129
03/02/2003	121.520884	1.50351774	0.38900376	337.648627	101.110861	3.307778	0.91864369	1.843586
03/09/2032	26.074752	1.50553517	0.38985997	338.532819	100.471908	3.279660	0.91858728	1.847298
03/17/2061	281.354664	1.50492145	0.38942001	339.116426	100.072094	3.283613	0.91887493	1.846169
03/25/2090	179.945690	1.50465119	0.38924968	339.662422	99.628455	3.294423	0.91896620	1.845671
04/03/2119	82.037384	1.50455888	0.38917504	340.249525	99.205113	3.300307	0.91902212	1.845501
04/10/2148	344.261995	1.50478433	0.38934083	340.853466	98.660457	3.245999	0.91891035	1.845916
04/18/2177	248.492041	1.50312203	0.38881930	341.041387	98.455853	3.233633	0.91867918	1.842858

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