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249236 (2008 GE122)
Classification: Jupiter Trojan          SPK-ID: 2249236
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 .1320032933743625 6.9369e-08  
a 5.206266270763942 2.2787e-07 au
q 4.519021976839241 4.7238e-07 au
i 12.60613821119392 1.0378e-05 deg
node 188.6800233554506 3.3928e-05 deg
peri 78.3965436825698 5.8897e-05 deg
M 289.0650085122726 5.554e-05 deg
tp 2459455.460422678738
(2021-Aug-28.96042268)
0.00070786 TDB
period 4338.983422837179
11.88
0.00028486
7.799e-07
d
yr
n .08296874288692323 5.447e-09 deg/d
Q 5.893510564688643 2.5795e-07 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      8429 days (23.08 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:43:41  

Additional Information
 Earth MOID = 3.5328 au 
 Jupiter MOID = .313192 au 
 T_jup = 2.935 
[ 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 13.5   n/a MPO437158  
diameter diameter 9.091 km 1.051 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.085   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249236 (2008 GE122)          Discovered 2008-Apr-13 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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