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117742 (2005 GW31)
Classification: Main-belt Asteroid          SPK-ID: 2117742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401228381341728 4.2851e-08  
a 2.412746607381639 1.6007e-08 au
q 2.074665705056727 1.0268e-07 au
i 6.174176693380567 5.6268e-06 deg
node 195.0823313122337 3.75e-05 deg
peri 140.2239519257458 4.4599e-05 deg
M 242.7061058062139 3.0122e-05 deg
tp 2459446.504152052254
(2021-Aug-20.00415205)
0.00011792 TDB
period 1368.881951123058
3.75
1.3623e-05
3.73e-08
d
yr
n .2629883458574707 2.6172e-09 deg/d
Q 2.75082750970655 1.825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      10438 days (28.58 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:14:28  

Additional Information
 Earth MOID = 1.06985 au 
 Jupiter MOID = 2.62894 au 
 T_jup = 3.497 
[ 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 15.8   n/a MPO264144  

117742 (2005 GW31)          Discovered 2005-Apr-04 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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