Asteroid General Data

2002 RM₁₂₉ (154268)

General information

Preliminary designation	2002 RM₁₂₉
Number	154268
Group	Apollo
Absolute magnitude	18.06
Approximate diameter (m)	650
Approximate mass (kg)	5.01·10¹¹
Number of observations	345
Arc length (days)	8082

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	233.158313
a – orbit major semiaxis (astronomical units)	1.51125000
e – orbit eccentricity	0.46503100
ω – orbit ascending node-perihelion angle (degrees)	357.579876
Ω – longitude of orbit ascending node (degrees)	132.649827
i – orbit inclination to the ecliptic plane (degrees)	14.575278

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	88.904002	1.51144317	0.46542047	355.893751	133.614271	14.516385	0.80798657	1.858182
01/21/1858	311.263411	1.51151318	0.46540184	356.151695	133.476815	14.523186	0.80805216	1.858312
01/29/1887	175.645848	1.51136837	0.46536124	356.461257	133.317536	14.535145	0.80803612	1.858044
02/07/1916	38.868360	1.51110838	0.46512316	356.725313	133.166558	14.544097	0.80825687	1.857565
02/14/1945	262.661118	1.51134214	0.46522218	356.929153	133.036458	14.551844	0.80823225	1.857996
02/22/1974	127.380430	1.51093191	0.46526824	357.192618	132.885228	14.567240	0.80794329	1.857240
03/02/2003	350.458353	1.51113993	0.46514665	357.403171	132.754389	14.570258	0.80823825	1.857623
03/09/2032	214.212743	1.51117438	0.46522384	357.602652	132.616950	14.580090	0.80814003	1.857687
03/17/2061	78.032640	1.51027347	0.46461242	357.805740	132.484597	14.581747	0.80858166	1.856026
03/25/2090	302.431355	1.51129146	0.46484638	358.034514	132.348936	14.584976	0.80877310	1.857903
04/03/2119	166.150462	1.51109131	0.46475404	358.279561	132.214824	14.588453	0.80880552	1.857534
04/10/2148	29.287305	1.51131906	0.46470844	358.476458	132.091694	14.587407	0.80899634	1.857954
04/18/2177	254.168105	1.51138205	0.46474851	358.779139	131.928129	14.594247	0.80896950	1.858070

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