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117766 (2005 GJ78)
Classification: Main-belt Asteroid          SPK-ID: 2117766
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594264871166656 3.3414e-08  
a 2.645983713081437 1.4228e-08 au
q 1.959545453428808 8.392e-08 au
i 14.990932775209 3.6763e-06 deg
node 140.9025631389734 1.7608e-05 deg
peri 186.343333330283 1.9663e-05 deg
M 96.55186633195933 1.0277e-05 deg
tp 2458578.864325723068
(2019-Apr-05.36432572)
4.3056e-05 TDB
period 1572.096413111513
4.30
1.268e-05
3.472e-08
d
yr
n .2289935890684233 1.8471e-09 deg/d
Q 3.332421972734065 1.7919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      6850 days (18.75 yr)  
   first obs. used      2001-04-27  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52745  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:50:14  

Additional Information
 Earth MOID = .94838 au 
 Jupiter MOID = 2.03 au 
 T_jup = 3.297 
[ 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 15.2   n/a MPO432681  
diameter diameter 2.855 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117766 (2005 GJ78)          Discovered 2005-Apr-06 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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