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117720 (2005 GB8)
Classification: Main-belt Asteroid          SPK-ID: 2117720
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744237375561517 4.6039e-08  
a 2.624472271129199 2.1017e-08 au
q 2.166702008486362 1.2073e-07 au
i 3.950471681761777 5.4095e-06 deg
node 196.2248887227875 7.1052e-05 deg
peri 282.0735233911454 7.2471e-05 deg
M 265.9466856487252 1.9531e-05 deg
tp 2459406.226162492969
(2021-Jul-10.72616249)
8.7368e-05 TDB
period 1552.96407686338
4.25
1.8654e-05
5.107e-08
d
yr
n .2318147633698744 2.7846e-09 deg/d
Q 3.082242533772035 2.4683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      1999-12-14  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58648  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:02:09  

Additional Information
 Earth MOID = 1.1869 au 
 Jupiter MOID = 2.02723 au 
 T_jup = 3.378 
[ 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 16.2   n/a MPO453648  

117720 (2005 GB8)          Discovered 2005-Apr-02 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 GB8 = 2003 WN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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