Asteroid General Data

2004 RH₃₄₀ (276891)

General information

Preliminary designation	2004 RH₃₄₀
Number	276891
Group	Apollo
Absolute magnitude	19.53
Approximate diameter (m)	330
Approximate mass (kg)	6.58·10¹⁰
Number of observations	107
Arc length (days)	7150

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	347.203295
a – orbit major semiaxis (astronomical units)	1.29467300
e – orbit eccentricity	0.38130000
ω – orbit ascending node-perihelion angle (degrees)	335.432574
Ω – longitude of orbit ascending node (degrees)	51.534589
i – orbit inclination to the ecliptic plane (degrees)	26.109232

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	277.216819	1.29449129	0.38243253	334.354079	52.293405	26.064625	0.79943572	1.472819
01/21/1858	169.321966	1.29483248	0.38242430	334.518852	52.182000	26.071140	0.79965707	1.473401
01/29/1887	62.615490	1.29461089	0.38230825	334.646174	52.065766	26.077790	0.79967046	1.473023
02/07/1916	314.598434	1.29454774	0.38205554	334.828403	51.952877	26.084882	0.79995860	1.472915
02/14/1945	207.999498	1.29466549	0.38190332	334.966981	51.841921	26.091409	0.80022845	1.473116
02/22/1974	100.096674	1.29456010	0.38153253	335.148514	51.728916	26.097280	0.80064330	1.472936
03/02/2003	353.248487	1.29463615	0.38144924	335.288523	51.625796	26.103292	0.80079817	1.473066
03/09/2032	245.606278	1.29446833	0.38119118	335.472610	51.511933	26.113971	0.80102842	1.472780
03/17/2061	138.261681	1.29464385	0.38119573	335.651662	51.400799	26.121087	0.80113114	1.473079
03/25/2090	31.026280	1.29441847	0.38094519	335.821520	51.290084	26.130944	0.80131599	1.472694
04/03/2119	283.108216	1.29458859	0.38083384	335.986377	51.179210	26.136794	0.80156544	1.472985
04/10/2148	176.293063	1.29449333	0.38060899	336.122758	51.069195	26.144698	0.80179754	1.472822
04/18/2177	68.188743	1.29452481	0.38051140	336.291816	50.959821	26.150759	0.80194337	1.472876

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