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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401590370717791 4.9783e-08  
a 2.299560635294042 2.3061e-08 au
q 1.97725643096306 1.1551e-07 au
i 4.18572872736961 6.1219e-06 deg
node 46.25571009205682 0.00010259 deg
peri 225.273759286273 0.00015022 deg
M 176.982604096174 9.2185e-05 deg
tp 2458374.327766764129
(2018-Sep-12.82776676)
0.00032796 TDB
period 1273.695825169445
3.49
1.916e-05
5.246e-08
d
yr
n .2826420507047731 4.2517e-09 deg/d
Q 2.621864839625023 2.6293e-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 = .963845 au 
 Jupiter MOID = 2.46809 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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