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117137 (2004 PF81)
Classification: Main-belt Asteroid          SPK-ID: 2117137
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09650097362683716 5.0681e-08  
a 2.805356515848028 2.485e-08 au
q 2.534636880698301 1.4503e-07 au
i 3.381684003205175 5.1188e-06 deg
node 107.6965894828498 8.1568e-05 deg
peri 245.2497707294605 8.5802e-05 deg
M 110.6855716315148 2.6897e-05 deg
tp 2458472.821949031509
(2018-Dec-20.32194903)		 0.00012798 TDB
period 1716.249873841457
4.70		 2.2804e-05
6.243e-08		 d
yr
n .2097596658196497 2.7871e-09 deg/d
Q 3.076076150997754 2.7248e-08 au
   Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7027 days (19.24 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:29  

Additional Information
 Earth MOID = 1.53138 au 
 Jupiter MOID = 2.31648 au 
 T_jup = 3.314 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO453642  

117137 (2004 PF81)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2004 PF81 = 2001 BO82 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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