Asteroid General Data

2015 KX₁₂₁

General information

Preliminary designation	2015 KX₁₂₁
Group	Apollo
Absolute magnitude	21.33
Approximate diameter (m)	140
Approximate mass (kg)	5.47·10⁹
Number of observations	72
Arc length (days)	5633

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	256.427330
a – orbit major semiaxis (astronomical units)	1.37512200
e – orbit eccentricity	0.26353200
ω – orbit ascending node-perihelion angle (degrees)	139.113382
Ω – longitude of orbit ascending node (degrees)	238.159534
i – orbit inclination to the ecliptic plane (degrees)	18.556752

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	44.392859	1.37491260	0.26485976	137.712225	239.167836	18.494198	1.01075358	1.612179
01/21/1858	44.797233	1.37516813	0.26481444	137.907487	239.023719	18.501251	1.01100375	1.612628
01/29/1887	44.419909	1.37501279	0.26461528	138.094034	238.869205	18.510755	1.01116340	1.612355
02/07/1916	43.931626	1.37509490	0.26432702	138.319642	238.721652	18.521854	1.01162016	1.612500
02/14/1945	42.639432	1.37519500	0.26417589	138.511825	238.575713	18.528870	1.01190164	1.612676
02/22/1974	42.461274	1.37484370	0.26368961	138.724297	238.424817	18.540184	1.01231171	1.612058
03/02/2003	40.346241	1.37503569	0.26353802	138.958093	238.275918	18.550188	1.01266150	1.612395
03/09/2032	38.424402	1.37554913	0.26349952	139.249553	238.120208	18.561905	1.01309260	1.613299
03/17/2061	34.818375	1.37548279	0.26333868	139.446255	237.978468	18.570604	1.01326497	1.613182
03/25/2090	30.761180	1.37584449	0.26339813	139.703933	237.826363	18.581327	1.01344962	1.613818
04/03/2119	26.662315	1.37550634	0.26309198	139.893781	237.682409	18.590920	1.01362166	1.613223
04/10/2148	22.899334	1.37549902	0.26305165	140.101174	237.533334	18.599698	1.01367174	1.613210
04/18/2177	20.019385	1.37509895	0.26260123	140.320499	237.384825	18.611349	1.01399627	1.612507

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