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83983 (2002 GE39)
Classification: Jupiter Trojan          SPK-ID: 2083983
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279034867153542 7.4019e-08  
a 5.194979856931988 1.743e-07 au
q 4.530523819814355 4.7285e-07 au
i 55.41923177779501 6.7176e-06 deg
node 172.9627103331729 7.4322e-06 deg
peri 220.4594245698655 3.8971e-05 deg
M 317.4940296176395 4.9332e-05 deg
tp 2459511.148032948370
(2021-Oct-23.64803295)
0.00060668 TDB
period 4324.881662687594
11.84
0.00021767
5.959e-07
d
yr
n .08323927174837117 4.1893e-09 deg/d
Q 5.859435894049621 1.966e-07 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1991-01-15  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:14:01  

Additional Information
 Earth MOID = 3.60784 au 
 Jupiter MOID = .225475 au 
 T_jup = 2.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457007.5 (2014-Dec-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262651580168725 7.3779e-08  
q 4.53834884107246 4.7258e-07 au
tp 2455202.217083797463
(2010-Jan-05.71708380)
0.00052523 TDB
node 172.9546454267653 7.4265e-06 deg
peri 221.3390112913258 3.9666e-05 deg
i 55.41820558497825 6.7205e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1991-01-15  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:14:01  

Additional Information
 Jupiter MOID = .225475 au 
 T_jup = 2.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.443388158047276E-15 -3.337689083700905E-14 -8.265009546451903E-12 -1.827543578522207E-15 -7.753328460819798E-13 9.142504424499779E-15
q -3.337689083700905E-14 2.23333906951414E-13 6.25808456301991E-11 1.98743028594679E-14 6.337174471359432E-12 -2.835110664001223E-14
tp -8.265009546451903E-12 6.25808456301991E-11 2.758644825612268E-7 1.12155563945428E-12 2.03636710384746E-8 7.740130797076362E-11
node -1.827543578522207E-15 1.98743028594679E-14 1.12155563945428E-12 5.515262715094599E-11 -3.063900671655478E-11 1.344941938189455E-11
peri -7.753328460819798E-13 6.337174471359432E-12 2.03636710384746E-8 -3.063900671655478E-11 1.573378249150348E-9 -1.376680183602789E-12
i 9.142504424499779E-15 -2.835110664001223E-14 7.740130797076362E-11 1.344941938189455E-11 -1.376680183602789E-12 4.516481518874768E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO493463  

83983 (2002 GE39)          Discovered 2002-Apr-04 by NEAT at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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