Asteroid General Data

2011 KN₉

General information

Preliminary designation	2011 KN₉
Group	Amor
Absolute magnitude	18.55
Approximate diameter (m)	520
Approximate mass (kg)	2.55·10¹¹
Number of observations	299
Arc length (days)	11346

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	145.649007
a – orbit major semiaxis (astronomical units)	2.27347500
e – orbit eccentricity	0.48157800
ω – orbit ascending node-perihelion angle (degrees)	98.819284
Ω – longitude of orbit ascending node (degrees)	218.470883
i – orbit inclination to the ecliptic plane (degrees)	19.275241

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	244.927560	2.27107197	0.48274989	94.338571	222.833118	19.171472	1.17471223	3.422528
01/21/1858	56.018075	2.27227389	0.48225718	95.044875	222.208192	19.184307	1.17645348	3.425245
01/29/1887	227.332007	2.27097451	0.48277625	95.600869	221.566219	19.199367	1.17460196	3.422307
02/07/1916	37.741488	2.27137705	0.48271071	96.232367	220.964447	19.218900	1.17495901	3.423217
02/14/1945	208.462535	2.27286183	0.48154830	96.858373	220.315716	19.230127	1.17836907	3.426574
02/22/1974	19.151154	2.27144787	0.48172700	97.450144	219.716174	19.261168	1.17723010	3.423377
03/02/2003	190.032494	2.27350152	0.48166107	98.377184	218.898980	19.256322	1.17844435	3.428021
03/09/2032	0.921508	2.27198720	0.48191919	99.155153	218.195987	19.308472	1.17707297	3.424597
03/17/2061	171.291273	2.27169285	0.48184222	99.807575	217.558527	19.327149	1.17709531	3.423931
03/25/2090	342.237561	2.27154493	0.48185129	100.336839	216.970338	19.358033	1.17699808	3.423597
04/03/2119	152.855362	2.27049082	0.48206833	100.962617	216.379966	19.385723	1.17595910	3.421214
04/10/2148	323.792806	2.27246149	0.48072153	101.555473	215.739689	19.417469	1.18004032	3.425669
04/18/2177	134.745666	2.27108485	0.48136028	102.229931	215.140522	19.446440	1.17787481	3.422557

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