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90747 (1993 PP2)
Classification: Main-belt Asteroid          SPK-ID: 2090747
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478981946591897 4.2357e-08  
a 3.112150915120726 1.8198e-08 au
q 2.651869413267425 1.2785e-07 au
i 16.18473644379268 4.7693e-06 deg
node 146.2226005884839 1.476e-05 deg
peri 20.12961930522584 2.0742e-05 deg
M 119.6629689057587 1.5016e-05 deg
tp 2458333.928604442019
(2018-Aug-03.42860444)
8.275e-05 TDB
period 2005.346387401266
5.49
1.7589e-05
4.816e-08
d
yr
n .1795201079782157 1.5746e-09 deg/d
Q 3.572432416974026 2.0889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      9846 days (26.96 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:01  

Additional Information
 Earth MOID = 1.66604 au 
 Jupiter MOID = 1.43682 au 
 T_jup = 3.141 
[ 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 14.1   n/a MPO348069  

90747 (1993 PP2)          Discovered 1993-Aug-15 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1993 PP2 = 2000 WA125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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