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(2018 GY1)
Classification: Apollo [NEO]          SPK-ID: 3802438
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6341281206489077 3.0313e-06  
a 2.147634355320257 1.5106e-05 au
q .7857590177399941 9.8412e-07 au
i 13.04488351378775 4.3099e-05 deg
node 40.46850264342608 3.645e-05 deg
peri 239.4688128683854 3.5115e-05 deg
M 225.8813647753794 0.0023729 deg
tp 2459428.777802432338
(2021-Aug-02.27780243)
0.012096 TDB
period 1149.579315487535
3.15
0.012129
3.321e-05
d
yr
n .3131580354221356 3.304e-06 deg/d
Q 3.509509692900521 2.4685e-05 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      185 days  
   first obs. used      2018-04-10  
   last obs. used      2018-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .38102  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-14 04:42:05  

Additional Information
 Earth MOID = .0168056 au 
 Jupiter MOID = 1.84896 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458339.5 (2018-Aug-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6340569780120299 3.0325e-06  
q .7858110290056245 9.9132e-07 au
tp 2458279.016034572529
(2018-Jun-09.51603457)
3.3352e-05 TDB
node 40.49140773310827 3.6527e-05 deg
peri 239.4235791341919 3.5041e-05 deg
i 13.04930158753411 4.3179e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      185 days  
   first obs. used      2018-04-10  
   last obs. used      2018-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .38102  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-14 04:42:05  

Additional Information
 Jupiter MOID = 1.84896 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.195813923964204E-12 -3.003834297411067E-12 -9.554717989883543E-11 7.973187688762291E-11 7.84071889676351E-11 1.084829738625968E-10
q -3.003834297411067E-12 9.827119661523985E-13 3.132066105866753E-11 -2.591557579967876E-11 -2.581602967565521E-11 -3.536188390659861E-11
tp -9.554717989883543E-11 3.132066105866753E-11 1.112354187810353E-9 -7.104583659657307E-10 -8.696768078256578E-10 -1.092137399213454E-9
node 7.973187688762291E-11 -2.591557579967876E-11 -7.104583659657307E-10 1.334236332643985E-9 1.037171087792432E-10 4.637115138177163E-10
peri 7.84071889676351E-11 -2.581602967565521E-11 -8.696768078256578E-10 1.037171087792432E-10 1.227853764635897E-9 1.405270383398642E-9
i 1.084829738625968E-10 -3.536188390659861E-11 -1.092137399213454E-9 4.637115138177163E-10 1.405270383398642E-9 1.864405083533708E-9

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 22.1   n/a MPO450737  

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