Asteroid General Data

2021 CN

General information

Preliminary designation	2021 CN
Group	Apollo
Absolute magnitude	26.27
Approximate diameter (m)	15
Approximate mass (kg)	5.94·10⁶
Number of observations	21
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	169.722272
a – orbit major semiaxis (astronomical units)	1.74389500
e – orbit eccentricity	0.44239600
ω – orbit ascending node-perihelion angle (degrees)	146.315532
Ω – longitude of orbit ascending node (degrees)	314.945223
i – orbit inclination to the ecliptic plane (degrees)	10.663698

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	195.561848	1.74449202	0.44449937	143.355894	316.805293	10.502353	0.96906642	2.304115
01/21/1858	51.294405	1.74369081	0.44320486	143.803938	316.536948	10.533927	0.97087857	2.302528
01/29/1887	267.108569	1.74398974	0.44348897	144.201468	316.288252	10.551533	0.97054952	2.303120
02/07/1916	125.248927	1.74263901	0.44258784	144.625324	315.973204	10.574219	0.97136818	2.300444
02/14/1945	347.858239	1.74124834	0.44191592	145.058723	315.705176	10.606755	0.97176298	2.297691
02/22/1974	216.129202	1.74069694	0.44201516	145.452123	315.408666	10.630293	0.97128250	2.296600
03/02/2003	84.085817	1.74182198	0.44187774	145.854164	315.177215	10.639595	0.97214962	2.298827
03/09/2032	305.712311	1.74327925	0.44280478	146.440771	314.870111	10.672823	0.97134687	2.301712
03/17/2061	161.910577	1.74429805	0.44225840	146.723689	314.647552	10.678121	0.97286758	2.303730
03/25/2090	18.217389	1.74350760	0.44164631	147.085469	314.411193	10.695391	0.97349389	2.302165
04/03/2119	231.303928	1.74478488	0.44224054	147.663153	314.103957	10.730179	0.97317027	2.304695
04/10/2148	84.712665	1.74477059	0.44148618	147.985549	313.881756	10.739300	0.97447848	2.304667
04/18/2177	293.720395	1.74579385	0.44166747	148.464093	313.623536	10.761940	0.97473350	2.306694

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