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JPL Small-Body Database Browser
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117145 (2004 PA91)
Classification: Main-belt Asteroid          SPK-ID: 2117145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968470161524133 4.5943e-08  
a 2.346547757733177 1.2362e-08 au
q 1.884636833364265 1.0979e-07 au
i 7.811535318885808 4.8771e-06 deg
node 173.8476987129982 3.547e-05 deg
peri 222.1578090454748 3.7268e-05 deg
M 9.107326671093205 1.3631e-05 deg
tp 2458567.285253896429
(2019-Mar-24.78525390)
4.958e-05 TDB
period 1312.932875817255
3.59
1.0375e-05
2.841e-08
d
yr
n .2741952818996269 2.1667e-09 deg/d
Q 2.808458682102089 1.4795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      7032 days (19.25 yr)  
   first obs. used      2000-08-02  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:00:07  

Additional Information
 Earth MOID = .898061 au 
 Jupiter MOID = 2.63899 au 
 T_jup = 3.522 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO449685  

117145 (2004 PA91)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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