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117725 (2005 GU12)
Classification: Main-belt Asteroid          SPK-ID: 2117725
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07241976423728277 4.5488e-08  
a 2.316001345033992 9.4007e-09 au
q 2.148277073653401 1.0587e-07 au
i 2.643557757191711 4.5503e-06 deg
node 46.72268249651641 8.4608e-05 deg
peri 124.5406952020231 8.9204e-05 deg
M 134.7542370848845 2.7313e-05 deg
tp 2458518.611495112975
(2019-Feb-04.11149511)
9.7367e-05 TDB
period 1287.379643951755
3.52
7.8383e-06
2.146e-08
d
yr
n .2796377911452289 1.7026e-09 deg/d
Q 2.483725616414584 1.0082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      8663 days (23.72 yr)  
   first obs. used      1996-11-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:00:26  

Additional Information
 Earth MOID = 1.15466 au 
 Jupiter MOID = 2.47845 au 
 T_jup = 3.576 
[ 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 16.7   n/a MPO426743  
diameter diameter 2.776 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117725 (2005 GU12)          Discovered 2005-Apr-01 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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