Asteroid General Data

2000 PH₅ (54509 YORP)

General information

Preliminary designation	2000 PH₅
Name	YORP
Number	54509
Group	Apollo
Absolute magnitude	22.66
Approximate diameter (m)	78
Approximate mass (kg)	8.71·10⁸
Number of observations	517
Arc length (days)	1827

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	63.265466
a – orbit major semiaxis (astronomical units)	1.00591800
e – orbit eccentricity	0.22999500
ω – orbit ascending node-perihelion angle (degrees)	278.997160
Ω – longitude of orbit ascending node (degrees)	278.179995
i – orbit inclination to the ecliptic plane (degrees)	1.599236

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	196.775427	1.00610854	0.23025910	262.845240	288.761556	1.945801	0.77444289	1.009178
01/21/1858	111.923755	1.00557241	0.23033043	263.370304	288.332735	1.943360	0.77395848	1.008372
01/29/1887	26.653341	1.00650483	0.23056749	263.959983	287.857024	1.939477	0.77443754	1.009775
02/07/1916	356.683694	0.99343250	0.22965451	268.655792	285.923693	2.106268	0.76528625	0.990166
02/14/1945	102.884689	0.99418599	0.22974993	269.066207	285.601451	2.103986	0.76577182	0.991293
02/22/1974	203.618520	0.99398893	0.22983159	269.545583	285.196275	2.101645	0.76553887	0.990998
03/02/2003	296.392057	1.00004857	0.22991363	274.101791	281.886523	1.833119	0.77012378	1.000074
03/09/2032	216.888087	1.00604897	0.23021559	279.379927	277.884741	1.599735	0.77444081	1.009089
03/17/2061	135.831169	1.00545599	0.23000019	280.085399	277.291102	1.600549	0.77420092	1.008197
03/25/2090	52.164127	1.00595998	0.22990934	280.632719	276.841382	1.600155	0.77468038	1.008955
04/03/2119	85.773947	0.99094649	0.22958739	284.922783	275.913447	1.544317	0.76343768	0.986452
04/10/2148	221.829020	0.99154249	0.22977330	285.663344	275.282195	1.544614	0.76371250	0.987342
04/18/2177	359.300966	0.99228320	0.23037006	289.089926	271.742284	1.458789	0.76369086	0.988449

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