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JPL Small-Body Database Browser
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(2008 PK9)
Classification: Apollo [NEO]          SPK-ID: 3423763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2454687.5 (2008-Aug-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7246237962246074 0.013838  
a 1.637142854629858 0.062804 au
q .4508301843459798 0.0062124 au
i 27.40092085463768 0.70497 deg
node 318.4873489077081 0.039415 deg
peri 108.0273893593064 0.39365 deg
M 335.664584047276 1.6957 deg
tp 2454739.220720394661
(2008-Sep-29.72072039)
0.6308 TDB
period 765.1177764230414
2.09
44.027
0.1205
d
yr
n .4705157965130747 0.027075 deg/d
Q 2.823455524913737 0.10831 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   first obs. used      2008-08-08  
   last obs. used      2008-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .27693  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:06  

Additional Information
 Earth MOID = .00523279 au 
 Jupiter MOID = 3.03506 au 
 T_jup = 3.865 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.2   n/a MPO141933  

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