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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738161507907584 9.8392e-05  
a 1.031625586321513 8.7085e-05 au
q .8523123978498484 3.0884e-05 au
i 9.671150357968889 0.005285 deg
node 22.24541661127372 0.00019787 deg
peri 271.011934717334 0.01667 deg
M 302.2333431060751 0.066533 deg
tp 2459061.912435080273
(2020-Jul-31.41243508)
0.078509 TDB
period 382.7203756917318
1.05
0.048461
0.0001327
d
yr
n .9406345281442965 0.00011911 deg/d
Q 1.210938774793177 0.00010222 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .46932  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-12 12:12:03  

Additional Information
 Earth MOID = .000604349 au 
 Jupiter MOID = 3.91284 au 
 T_jup = 5.908 
[ 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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