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295329 (2008 HG2)
Classification: Jupiter Trojan          SPK-ID: 2295329
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0449759524478279 8.3748e-08  
a 5.200413748788658 1.9282e-07 au
q 4.966520187314108 5.4838e-07 au
i 10.26489426135393 7.9382e-06 deg
node 68.71838818029678 3.4281e-05 deg
peri 166.2167599415742 8.2806e-05 deg
M 350.9688286106049 7.2959e-05 deg
tp 2459109.166794689497
(2020-Sep-16.66679469)
0.00087534 TDB
period 4331.669104868928
11.86
0.00024091
6.596e-07
d
yr
n .08310884125367496 4.6221e-09 deg/d
Q 5.434307310263208 2.0149e-07 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-10-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:41:32  

Additional Information
 Earth MOID = 3.95556 au 
 Jupiter MOID = .369336 au 
 T_jup = 2.966 
[ 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 13.0   n/a MPO437320  

295329 (2008 HG2)          Discovered 2008-Apr-24 by Andrushivka at Andrushivka
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 HG2 = 2007 GM14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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