Asteroid General Data

1999 RR₂₈ (152770)

General information

Preliminary designation	1999 RR₂₈
Number	152770
Group	Apollo
Absolute magnitude	18.41
Approximate diameter (m)	550
Approximate mass (kg)	3.09·10¹¹
Number of observations	707
Arc length (days)	13198

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	139.854713
a – orbit major semiaxis (astronomical units)	1.87865800
e – orbit eccentricity	0.65422800
ω – orbit ascending node-perihelion angle (degrees)	284.628743
Ω – longitude of orbit ascending node (degrees)	178.125047
i – orbit inclination to the ecliptic plane (degrees)	7.142921

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	173.973253	1.87726909	0.65454663	277.260122	184.722300	7.006133	0.64850893	2.572115
01/21/1858	275.938232	1.87613300	0.65381054	278.388908	183.665791	7.030839	0.64949748	2.569781
01/29/1887	20.978705	1.87646766	0.65403315	279.417835	182.749226	7.048280	0.64919560	2.570468
02/07/1916	126.639840	1.87618934	0.65348211	280.643612	181.618154	7.070177	0.65013318	2.569896
02/14/1945	233.599771	1.87443416	0.65408620	281.705674	180.713541	7.074815	0.64839265	2.566291
02/22/1974	342.406251	1.87568470	0.65351051	283.004938	179.568003	7.108746	0.64990504	2.568860
03/02/2003	87.224999	1.87641792	0.65458445	283.855887	178.809535	7.124752	0.64814393	2.570366
03/09/2032	185.198740	1.87971466	0.65398578	284.963597	177.841998	7.144880	0.65040801	2.577143
03/17/2061	283.545634	1.87776133	0.65458887	286.020139	176.921912	7.184123	0.64859966	2.573127
03/25/2090	24.615946	1.87705958	0.65356464	286.881545	176.153021	7.198873	0.65027981	2.571685
04/03/2119	130.045872	1.87540362	0.65379014	288.207486	175.010912	7.235111	0.64928323	2.568282
04/10/2148	238.398287	1.87478722	0.65282120	289.106521	174.241453	7.267196	0.65088639	2.567016
04/18/2177	345.003318	1.87697592	0.65333708	290.319649	173.187350	7.301308	0.65067795	2.571513

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