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(2018 GG)
Classification: Apollo [NEO]          SPK-ID: 3802394
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 .6054216282457071 0.00060588  
a 2.175233707595583 0.0030907 au
q .8583001745281186 9.844e-05 au
i 7.169031794683153 0.0051397 deg
node 22.97597954841912 0.00028312 deg
peri 229.1498834747304 0.0023895 deg
M 290.0139206366718 0.61491 deg
tp 2459428.306692045943
(2021-Aug-01.80669205)
2.4871 TDB
period 1171.810306886716
3.21
2.4974
0.006838
d
yr
n .3072169598477537 0.00065476 deg/d
Q 3.492167240663047 0.0049618 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5 days  
   first obs. used      2018-04-06  
   last obs. used      2018-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:26:45  

Additional Information
 Earth MOID = .00550467 au 
 Jupiter MOID = 1.62886 au 
 T_jup = 3.413 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458218.5 (2018-Apr-10.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6052081528910319 0.00060778  
q .8567606984683273 0.00010286 au
tp 2458256.463251509129
(2018-May-17.96325151)
0.0088611 TDB
node 23.01884442265965 0.00024141 deg
peri 229.2317556684295 0.0019267 deg
i 7.165719308879322 0.0051796 deg
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5 days  
   first obs. used      2018-04-06  
   last obs. used      2018-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:26:45  

Additional Information
 Jupiter MOID = 1.62886 au 
 T_jup = 3.413 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.693992773327613E-7 -6.251515248600723E-8 -5.38517710772099E-6 -1.458378929168013E-7 1.165616839845837E-6 3.148039987073135E-6
q -6.251515248600723E-8 1.058096077329022E-8 9.11229789318924E-7 2.465437375882579E-8 -1.974676735546794E-7 -5.327536473185994E-7
tp -5.38517710772099E-6 9.11229789318924E-7 7.851966207847489E-5 2.128850751112238E-6 -1.697120423687978E-5 -4.589316083599097E-5
node -1.458378929168013E-7 2.465437375882579E-8 2.128850751112238E-6 5.827700102993894E-8 -4.558979397151576E-7 -1.243041770016549E-6
peri 1.165616839845837E-6 -1.974676735546794E-7 -1.697120423687978E-5 -4.558979397151576E-7 3.712240226987126E-6 9.932943321010917E-6
i 3.148039987073135E-6 -5.327536473185994E-7 -4.589316083599097E-5 -1.243041770016549E-6 9.932943321010917E-6 2.682803024086811E-5

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 24.7   n/a MPO445222  

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