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(2007 PF28)
Classification: Apollo [NEO, PHA]          SPK-ID: 3381449
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8020302464525473 0.00050888  
a 2.148726792309758 0.0043433 AU
q .4253829135143714 0.00023359 AU
i 5.889846660173101 0.003273 deg
node 180.1855138654878 0.0049292 deg
peri 261.1926100765839 0.0034082 deg
M 270.202285833245 1.9115 deg
tp 2456687.467693010428
(2014-Jan-29.96769301)		 6.9786 JED
period 1150.456561643758
3.15		 3.4882
0.00955		 d
yr
n .3129192461518376 0.00094877 deg/d
Q 3.872070671105145 0.0078268 AU
   Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      14 days  
   first obs. used      2007-08-15  
   last obs. used      2007-08-29  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      7  
   fit RMS      .51054  
   data source      ORB  
   producer      Otto Matic  
   solution date      2011-Sep-14 20:19:01  

Additional Information
 Earth MOID = .0142193 AU 
 T_jup = 3.185 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.266 mag .48689 19 autocmod 2.5a
rotation period rot_per 22.1 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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