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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279035268700723 7.1871e-08  
a 5.194979842204398 1.3191e-07 au
q 4.530523598367523 4.3807e-07 au
i 55.4192342138642 6.4273e-06 deg
node 172.9627286802737 5.1289e-06 deg
peri 220.4594457554471 2.2273e-05 deg
M 317.4940070431616 2.2067e-05 deg
tp 2459511.148301976712
(2021-Oct-23.64830198)
0.0002627 TDB
period 4324.881644296255
11.84
0.00016473
4.51e-07
d
yr
n .08323927210234193 3.1705e-09 deg/d
Q 5.859436086041272 1.4879e-07 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10874 days (29.77 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:06:01  

Additional Information
 Earth MOID = 3.60784 au 
 Jupiter MOID = .225475 au 
 T_jup = 2.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457644.5 (2016-Sep-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126739915206578 7.1745e-08  
q 4.533680289803809 4.3769e-07 au
tp 2459516.831921490061
(2021-Oct-29.33192149)
0.00026601 TDB
node 172.9564632731844 5.1254e-06 deg
peri 220.8385191135493 2.2551e-05 deg
i 55.4213070065794 6.4312e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10874 days (29.77 yr)  
   first obs. used      1991-01-15  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:06:01  

Additional Information
 Jupiter MOID = .225475 au 
 T_jup = 2.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.147391605406044E-15 -3.053119863974211E-14 -8.814580234090182E-12 -7.532392584917873E-15 -3.774290320201883E-13 8.224228908178695E-15
q -3.053119863974211E-14 1.915709190213631E-13 4.309824439280918E-11 4.905329940715094E-14 1.01785794031006E-12 -4.469330373459505E-14
tp -8.814580234090182E-12 4.309824439280918E-11 7.076047900281675E-8 1.525894346298367E-11 5.606972055480733E-9 -4.784308918358334E-12
node -7.532392584917873E-15 4.905329940715094E-14 1.525894346298367E-11 2.627015080828593E-11 -1.426462573808829E-11 4.183703821699842E-12
peri -3.774290320201883E-13 1.01785794031006E-12 5.606972055480733E-9 -1.426462573808829E-11 5.085260128078415E-10 -2.42692451047833E-12
i 8.224228908178695E-15 -4.469330373459505E-14 -4.784308918358334E-12 4.183703821699842E-12 -2.42692451047833E-12 4.136007143073601E-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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