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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6055482893002386 0.0006493  
a 2.17536575044081 0.0033055 au
q .8580767416590478 0.00010861 au
i 7.169665884814851 0.0055119 deg
node 22.98911841759794 0.00024242 deg
peri 229.1357265368816 0.0025228 deg
M 228.5690656118235 0.51798 deg
tp 2459428.350408973914
(2021-Aug-01.85040897)
2.6614 TDB
period 1171.917006811336
3.21
2.6711
0.007313
d
yr
n .3071889885611629 0.00070016 deg/d
Q 3.492654759222573 0.0053071 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-13 06:28:59  

Additional Information
 Earth MOID = .005397 au 
 Jupiter MOID = 1.62932 au 
 T_jup = 3.413 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458218.5 (2018-Apr-10.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6052324199407102 0.00065047  
q .8567564055355329 0.00011007 au
tp 2458256.462916640271
(2018-May-17.96291664)
0.0094847 TDB
node 23.01884072861624 0.00025864 deg
peri 229.2318610181211 0.0020587 deg
i 7.165918739471921 0.0055439 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-13 06:28:59  

Additional Information
 Jupiter MOID = 1.62932 au 
 T_jup = 3.413 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.231090762132774E-7 -7.15932891239408E-8 -6.169009604612742E-6 -1.673339584023017E-7 1.333549625040169E-6 3.606124120110403E-6
q -7.15932891239408E-8 1.211540102077852E-8 1.043710997657986E-6 2.828697750945832E-8 -2.258579684774456E-7 -6.10179924641267E-7
tp -6.169009604612742E-6 1.043710997657986E-6 8.995917842071285E-5 2.442635989552782E-6 -1.942137006032276E-5 -5.257837300449698E-5
node -1.673339584023017E-7 2.828697750945832E-8 2.442635989552782E-6 6.689666798243674E-8 -5.229923747417287E-7 -1.426380150129647E-6
peri 1.333549625040169E-6 -2.258579684774456E-7 -1.942137006032276E-5 -5.229923747417287E-7 4.238308151430908E-6 1.136521838904759E-5
i 3.606124120110403E-6 -6.10179924641267E-7 -5.257837300449698E-5 -1.426380150129647E-6 1.136521838904759E-5 3.073497351613098E-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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