Asteroid General Data

2018 PP₉

General information

Preliminary designation	2018 PP₉
Group	Apollo
Absolute magnitude	25.99
Approximate diameter (m)	17
Approximate mass (kg)	8.75·10⁶
Number of observations	36
Arc length (days)	41

Approaches

Date	Object	r, AU	r, km
07/31/1938 06:47:31 AM	Moon	0.000650	97 168

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	299.065908
a – orbit major semiaxis (astronomical units)	1.65380687
e – orbit eccentricity	0.39009003
ω – orbit ascending node-perihelion angle (degrees)	174.146561
Ω – longitude of orbit ascending node (degrees)	125.119114
i – orbit inclination to the ecliptic plane (degrees)	2.289047

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	230.821055	1.66481042	0.39235848	172.345267	129.082002	2.807280	1.01160793	2.148067
01/21/1858	64.335820	1.65924246	0.39022663	173.370080	128.303156	2.875083	1.01176186	2.137300
01/29/1887	273.428061	1.65901795	0.39032245	173.613535	128.195747	2.879789	1.01146600	2.136866
02/07/1916	141.826403	1.64903822	0.38692766	173.091379	127.767429	3.054330	1.01097972	2.117613
02/14/1945	40.330625	1.64490241	0.38644756	171.402995	127.186091	2.541134	1.00923389	2.109652
02/22/1974	321.246091	1.64141749	0.38532418	172.350590	126.376124	2.611737	1.00893964	2.102951
03/02/2003	244.288415	1.64158879	0.38532126	172.865851	126.081280	2.617339	1.00904973	2.103280
03/09/2032	145.787792	1.65416618	0.38996718	174.133519	125.107022	2.289090	1.00909567	2.127499
03/17/2061	11.202662	1.65542709	0.39070820	174.398708	124.960795	2.290485	1.00863815	2.129932
03/25/2090	244.631979	1.64966136	0.38856045	175.691300	123.926467	2.385212	1.00866820	2.118814
04/03/2119	135.219481	1.64953296	0.38854946	175.907046	123.836134	2.388350	1.00860781	2.118567
04/10/2148	7.265056	1.65485949	0.39013329	176.600944	123.461787	2.372481	1.00924371	2.128836
04/18/2177	234.591036	1.65452328	0.39012284	176.849055	123.361833	2.375785	1.00905596	2.128188

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