Asteroid General Data

2015 LR₂₁

General information

Preliminary designation	2015 LR₂₁
Group	Apollo
Absolute magnitude	26.53
Approximate diameter (m)	13
Approximate mass (kg)	4.15·10⁶
Number of observations	52
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	81.410089
a – orbit major semiaxis (astronomical units)	1.90735300
e – orbit eccentricity	0.56853100
ω – orbit ascending node-perihelion angle (degrees)	243.399876
Ω – longitude of orbit ascending node (degrees)	86.321913
i – orbit inclination to the ecliptic plane (degrees)	1.888165

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	191.451216	1.89644891	0.56613204	240.524970	88.538955	1.912288	0.82280841	2.611634
01/21/1858	230.656522	1.89695602	0.56611066	240.926799	88.317656	1.909432	0.82306900	2.612682
01/29/1887	270.516024	1.89637061	0.56641721	241.349393	87.988856	1.907488	0.82223366	2.611472
02/07/1916	311.337187	1.89627274	0.56647905	241.734430	87.772164	1.904867	0.82207396	2.611270
02/14/1945	351.547094	1.89443233	0.56696678	242.314114	87.475617	1.902884	0.82035213	2.607470
02/22/1974	37.760888	1.89399393	0.56689346	242.560851	87.275168	1.899756	0.82030117	2.606565
03/02/2003	85.032015	1.89442774	0.56666619	243.426978	86.523649	1.910496	0.82091960	2.607460
03/09/2032	109.406230	1.90760019	0.56845890	243.613583	86.216355	1.886472	0.82320788	2.634703
03/17/2061	115.268845	1.90806323	0.56866188	243.992682	86.005127	1.883321	0.82302041	2.635662
03/25/2090	121.265788	1.90871531	0.56866186	244.640371	85.539130	1.885025	0.82330172	2.637013
04/03/2119	122.385504	1.90880108	0.56888601	245.046216	85.293198	1.882161	0.82291085	2.637191
04/10/2148	122.816038	1.90873863	0.56876205	245.621785	84.989309	1.877422	0.82312054	2.637062
04/18/2177	124.774810	1.90845174	0.56879841	245.964230	84.821938	1.874869	0.82292743	2.636467

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