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(2018 GU1)
Classification: Apollo [NEO]          SPK-ID: 3802429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4162752176919718 0.00050383  
a 1.548512969213153 0.0012885 au
q .903905395855106 2.8058e-05 au
i 23.09698352610983 0.017525 deg
node 198.5477526320451 9.9603e-05 deg
peri 311.3289977204219 0.014313 deg
M 60.379273224729 0.5356 deg
tp 2458882.452694675388
(2020-Feb-02.95269468)
0.89981 TDB
period 703.8347374385951
1.93
0.87849
0.002405
d
yr
n .5114837061184517 0.00063841 deg/d
Q 2.193120542571199 0.0018249 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      7 days  
   first obs. used      2018-04-10  
   last obs. used      2018-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-18 06:25:05  

Additional Information
 Earth MOID = .00221776 au 
 Jupiter MOID = 2.9412 au 
 T_jup = 4.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458221.5 (2018-Apr-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4164363032850473 0.00050439  
q .903909400477198 2.6723e-05 au
tp 2458178.676526655793
(2018-Mar-01.17652666)
0.019232 TDB
node 198.5607876060113 0.00018614 deg
peri 311.3479579584166 0.014659 deg
i 23.10428598832485 0.017504 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      7 days  
   first obs. used      2018-04-10  
   last obs. used      2018-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-18 06:25:05  

Additional Information
 Jupiter MOID = 2.9412 au 
 T_jup = 4.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.544081519588602E-7 -1.347486757416105E-8 9.699865445056065E-6 8.504966228015381E-8 7.393363189695169E-6 8.828393569840024E-6
q -1.347486757416105E-8 7.141236261338709E-10 -5.136921893399577E-7 -4.506071337609326E-9 -3.914898768265044E-7 -4.676118195485124E-7
tp 9.699865445056065E-6 -5.136921893399577E-7 .0003698548595931429 3.252341508336801E-6 .0002819089094431773 .0003365838965914438
node 8.504966228015381E-8 -4.506071337609326E-9 3.252341508336801E-6 3.464786284732346E-8 2.473971133121537E-6 2.94177241609319E-6
peri 7.393363189695169E-6 -3.914898768265044E-7 .0002819089094431773 2.473971133121537E-6 .0002148856364541126 .0002565546293420174
i 8.828393569840024E-6 -4.676118195485124E-7 .0003365838965914438 2.94177241609319E-6 .0002565546293420174 .0003063798994842573

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 24.3   n/a MPO445229  

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