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(2018 GD2)
Classification: Apollo [NEO]          SPK-ID: 3802441
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1737221281043529 9.2825e-05  
a 1.030605957601275 4.4842e-05 au
q .8515668974097567 5.8842e-05 au
i 9.67430520323391 0.005468 deg
node 22.20337880128558 0.00030239 deg
peri 270.6697188184029 0.029434 deg
M 130.8250441748354 0.073469 deg
tp 2459061.624450892355
(2020-Jul-31.12445089)
0.068929 TDB
period 382.1531113869783
1.05
0.024941
6.828e-05
d
yr
n .9420307967490406 6.1482e-05 deg/d
Q 1.209645017792793 5.2632e-05 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      1 day  
   first obs. used      2018-04-11  
   last obs. used      2018-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .47094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:26:54  

Additional Information
 Earth MOID = .000164078 au 
 Jupiter MOID = 3.91175 au 
 T_jup = 5.913 
[ 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 29.4   n/a MPO445231  

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