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(2018 GB2)
Classification: Apollo [NEO]          SPK-ID: 3802439
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.


Orbital Elements at Epoch 2458222.5 (2018-Apr-14.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3537509274752916 0.0008174  
a 1.431366468887832 0.0017475 au
q .9250192529617287 4.1028e-05 au
i 20.68444185627408 0.028813 deg
node 37.34145459701316 0.0032342 deg
peri 233.4114668186197 0.027799 deg
M 327.4685546159827 0.080931 deg
tp 2458279.023044282521
(2018-Jun-09.52304428)
0.037111 TDB
period 625.4962145550626
1.71
1.1454
0.003136
d
yr
n .5755430514572828 0.001054 deg/d
Q 1.937713684813936 0.0023656 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      11 days  
   first obs. used      2018-04-10  
   last obs. used      2018-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .39014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:26:54  

Additional Information
 Earth MOID = .0224804 au 
 Jupiter MOID = 3.23865 au 
 T_jup = 4.553 
[ show covariance matrix ]

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 22.9   n/a MPO445230  

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