Asteroid General Data

2012 PP₂₈ (668949)

General information

Preliminary designation	2012 PP₂₈
Number	668949
Group	Apollo
Absolute magnitude	19.27
Approximate diameter (m)	370
Approximate mass (kg)	9.42·10¹⁰
Number of observations	185
Arc length (days)	4214

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	346.137815
a – orbit major semiaxis (astronomical units)	1.99006000
e – orbit eccentricity	0.60631800
ω – orbit ascending node-perihelion angle (degrees)	133.669144
Ω – longitude of orbit ascending node (degrees)	254.053696
i – orbit inclination to the ecliptic plane (degrees)	5.671907

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	231.988745	1.99511970	0.60721485	127.104212	259.599938	5.405585	0.78365339	2.818085
01/21/1858	339.641461	1.99439121	0.60747319	128.316157	258.609535	5.423741	0.78285202	2.816541
01/29/1887	94.413689	1.99173631	0.60744331	128.943677	257.966026	5.446262	0.78186941	2.810919
02/07/1916	210.152538	1.99072231	0.60704823	130.200361	256.952499	5.509567	0.78225786	2.808773
02/14/1945	329.876034	1.99126151	0.60661292	130.805561	256.377691	5.530766	0.78333655	2.809914
02/22/1974	86.615873	1.99045454	0.60692249	132.035249	255.377347	5.591909	0.78240292	2.808206
03/02/2003	207.597454	1.98980552	0.60560770	132.738708	254.781826	5.622091	0.78476397	2.806833
03/09/2032	328.365077	1.99047138	0.60658985	133.838431	253.864801	5.682420	0.78307165	2.808242
03/17/2061	90.231941	1.98956430	0.60531842	134.615108	253.242693	5.719379	0.78524437	2.806323
03/25/2090	213.510503	1.98980851	0.60642975	135.573637	252.415696	5.768219	0.78312943	2.806839
04/03/2119	334.477039	1.99006850	0.60562578	136.493331	251.714801	5.823205	0.78483171	2.807389
04/10/2148	94.249054	1.99028787	0.60666621	137.200782	251.075003	5.849406	0.78284747	2.807854
04/18/2177	212.295259	1.99040773	0.60587673	138.249704	250.277887	5.915345	0.78446601	2.808107

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