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117143 (2004 PE90)
Classification: Main-belt Asteroid          SPK-ID: 2117143
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511214108119952 5.6296e-08  
a 2.370457050463901 1.4247e-08 au
q 2.012230236728555 1.3178e-07 au
i 6.234629182464227 6.2384e-06 deg
node 1.438009598637321 4.1037e-05 deg
peri 345.6741114012926 4.3832e-05 deg
M 126.450275552723 1.8621e-05 deg
tp 2458532.265033486631
(2019-Feb-17.76503349)
6.6707e-05 TDB
period 1333.050380538954
3.65
1.2018e-05
3.29e-08
d
yr
n .2700573101029022 2.4346e-09 deg/d
Q 2.728683864199246 1.64e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:43:29  

Additional Information
 Earth MOID = 1.00633 au 
 Jupiter MOID = 2.68243 au 
 T_jup = 3.522 
[ 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 15.9   n/a MPO348189  

117143 (2004 PE90)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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