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JPL Small-Body Database Browser
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442209 (2011 GJ77)
Classification: Main-belt Asteroid          SPK-ID: 2442209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402876807470482 4.9865e-08  
a 2.298984398744112 2.3024e-08 au
q 1.976465209370654 1.1562e-07 au
i 4.186401096778119 6.1231e-06 deg
node 46.25655803286482 0.00010257 deg
peri 225.165015799855 0.00015013 deg
M 64.02022980144667 9.2391e-05 deg
tp 2458374.078746200111
(2018-Sep-12.57874620)
0.00032744 TDB
period 1273.217100606505
3.49
1.9127e-05
5.237e-08
d
yr
n .2827483229910371 4.2476e-09 deg/d
Q 2.621503588117571 2.6254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5119 days (14.02 yr)  
   first obs. used      2004-05-13  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63058  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:21  

Additional Information
 Earth MOID = .962599 au 
 Jupiter MOID = 2.46779 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 18.1   n/a MPO450445  

442209 (2011 GJ77)          Discovered 2004-May-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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