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(2018 GN)
Classification: Apollo [NEO]          SPK-ID: 3802400
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7354413419781782 0.00029327  
a 2.424790393754598 0.0023723 au
q .6414992925559212 8.3542e-05 au
i 1.595332302038428 0.00053367 deg
node 25.05741976712183 0.0014414 deg
peri 255.6381459497628 0.0011657 deg
M 192.5189351386187 0.28039 deg
tp 2459642.112688370044
(2022-Mar-03.61268837)
2.0158 TDB
period 1379.144370764485
3.78
2.0239
0.005541
d
yr
n .2610314102217198 0.00038307 deg/d
Q 4.208081494953275 0.004117 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      1 day  
   first obs. used      2018-04-08  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35722  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-11 06:23:07  

Additional Information
 Earth MOID = .00272981 au 
 Jupiter MOID = .983343 au 
 T_jup = 3.071 
[ 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 26.2   n/a E2018G48  

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