Asteroid General Data

2015 XM₁₂₉

General information

Preliminary designation	2015 XM₁₂₉
Group	Apollo
Absolute magnitude	22.36
Approximate diameter (m)	90
Approximate mass (kg)	1.32·10⁹
Number of observations	43
Arc length (days)	593

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	43.421155
a – orbit major semiaxis (astronomical units)	1.61406300
e – orbit eccentricity	0.37393600
ω – orbit ascending node-perihelion angle (degrees)	266.569465
Ω – longitude of orbit ascending node (degrees)	255.917447
i – orbit inclination to the ecliptic plane (degrees)	22.797322

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	253.725512	1.61366298	0.37312124	264.889447	257.600463	22.813248	1.01157105	2.049840
01/21/1858	310.098459	1.61391038	0.37317676	265.152652	257.328755	22.809980	1.01163653	2.050311
01/29/1887	6.354026	1.61375616	0.37348199	265.400638	257.105861	22.806250	1.01104731	2.050017
02/07/1916	62.738425	1.61360969	0.37378325	265.651637	256.850856	22.802573	1.01046942	2.049738
02/14/1945	118.800491	1.61384776	0.37372001	265.883707	256.609021	22.801662	1.01072057	2.050192
02/22/1974	174.482639	1.61380535	0.37366176	266.133210	256.367774	22.795511	1.01078799	2.050111
03/02/2003	229.812085	1.61398934	0.37391379	266.392094	256.113038	22.798426	1.01049646	2.050461
03/09/2032	284.646336	1.61404312	0.37390108	266.586446	255.893101	22.798947	1.01055066	2.050564
03/17/2061	338.911183	1.61435335	0.37396495	266.883534	255.611316	22.797054	1.01064178	2.051155
03/25/2090	32.299256	1.61449113	0.37401691	267.135775	255.391125	22.794943	1.01064414	2.051418
04/03/2119	85.491456	1.61446153	0.37409410	267.434429	255.109917	22.794951	1.01050099	2.051361
04/10/2148	138.455471	1.61437130	0.37433595	267.639282	254.886075	22.792790	1.01005408	2.051189
04/18/2177	191.610306	1.61439670	0.37438828	267.895346	254.627553	22.787530	1.00998550	2.051238

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