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(2017 GZ8)
Classification: Centaur          SPK-ID: 3774622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4784910997341648 6.5535e-06  
a 7.580923993786532 0.00011483 au
q 3.953519334998498 1.084e-05 au
i 5.513482321948671 1.1077e-05 deg
node 118.1583128118849 0.00019399 deg
peri 76.20578074807615 0.00066464 deg
M 66.34214467775634 0.0013305 deg
tp 2457795.524837219000
(2017-Feb-11.02483722)
0.0043648 TDB
period 7623.978107098264
20.87
0.17322
0.0004743
d
yr
n .04721944304441587 1.0729e-06 deg/d
Q 11.20832865257457 0.00016977 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      855 days (2.34 yr)  
   first obs. used      2015-01-10  
   last obs. used      2017-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .5802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:59:53  

Additional Information
 Earth MOID = 2.95818 au 
 Jupiter MOID = .0386061 au 
 T_jup = 2.796 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457759.5 (2017-Jan-06.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .48716797560425 6.7751e-06  
q 3.975091153954442 1.1224e-05 au
tp 2457807.602088204419
(2017-Feb-23.10208820)
0.004188 TDB
node 118.7142529738453 0.00019605 deg
peri 77.19835151792451 0.00066871 deg
i 5.489391956953464 1.0466e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      855 days (2.34 yr)  
   first obs. used      2015-01-10  
   last obs. used      2017-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .5802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:59:53  

Additional Information
 Jupiter MOID = .0386061 au 
 T_jup = 2.796 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.590195484820961E-11 7.043186969954072E-11 -2.431367512403508E-8 1.225081307507462E-10 -3.712705450028263E-9 3.585263624745106E-11
q 7.043186969954072E-11 1.259856947559956E-10 -4.622384246915874E-8 2.53466559969512E-10 -7.064055596946354E-9 6.483594983605563E-11
tp -2.431367512403508E-8 -4.622384246915874E-8 1.753906478390479E-5 -9.881553083732421E-8 2.6802817196972E-6 -2.393304946641651E-8
node 1.225081307507462E-10 2.53466559969512E-10 -9.881553083732421E-8 3.843747351090735E-8 -5.279614590169042E-8 8.052608750920734E-10
peri -3.712705450028263E-9 -7.064055596946354E-9 2.6802817196972E-6 -5.279614590169042E-8 4.471711256239814E-7 -4.327802260801327E-9
i 3.585263624745106E-11 6.483594983605563E-11 -2.393304946641651E-8 8.052608750920734E-10 -4.327802260801327E-9 1.095316057794779E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO425556  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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