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129763 (1999 GD11)
Classification: Main-belt Asteroid          SPK-ID: 2129763
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011990854882408 3.5447e-08  
a 2.28801782323412 1.0687e-08 au
q 2.056472511942031 8.1407e-08 au
i 5.194681204417926 5.055e-06 deg
node 188.0113257663032 4.1673e-05 deg
peri 303.3093680047709 4.8298e-05 deg
M 87.67251013266753 2.3678e-05 deg
tp 2458692.643397756359
(2019-Jul-28.14339776)
8.289e-05 TDB
period 1264.117756409658
3.46
8.8565e-06
2.425e-08
d
yr
n .2847835956536759 1.9952e-09 deg/d
Q 2.519563134526208 1.1768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:54  

Additional Information
 Earth MOID = 1.0759 au 
 Jupiter MOID = 2.51422 au 
 T_jup = 3.588 
[ 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 16.5   n/a MPO453776  

129763 (1999 GD11)          Discovered 1999-Apr-11 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 GD11 = 2004 TO38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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