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357914 (2005 WQ8)
Classification: Main-belt Asteroid          SPK-ID: 2357914
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09383225899429663 7.6779e-08  
a 3.174240037307807 4.2061e-08 au
q 2.876393924017075 2.4434e-07 au
i .7124655365778838 8.9279e-06 deg
node 39.53649916031294 0.00053016 deg
peri 126.5318867762844 0.00053227 deg
M 109.8657722996705 4.4289e-05 deg
tp 2458370.097412862709
(2018-Sep-08.59741286)
0.00025451 TDB
period 2065.656360658063
5.66
4.1057e-05
1.124e-07
d
yr
n .1742787459020113 3.464e-09 deg/d
Q 3.472086150598539 4.6007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2000-12-20  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:33:46  

Additional Information
 Earth MOID = 1.88351 au 
 Jupiter MOID = 1.49871 au 
 T_jup = 3.194 
[ 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 16.6   n/a MPO437512  

357914 (2005 WQ8)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2005 WQ8 = 2002 JE148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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