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(2018 GW)
Classification: Amor [NEO]          SPK-ID: 3802408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458219.5 (2018-Apr-11.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3989786202454812 0.0013394  
a 1.696758512114101 0.0038379 au
q 1.019788142061041 3.4064e-05 au
i 3.328850451341851 0.0084561 deg
node 30.66584167891578 0.0029207 deg
peri 219.5319362357781 0.0068345 deg
M 339.7676434510522 0.070804 deg
tp 2458264.870383564417
(2018-May-26.37038356)
0.0048437 TDB
period 807.2879718027458
2.21
2.739
0.007499
d
yr
n .4459375248662358 0.001513 deg/d
Q 2.37372888216716 0.0053692 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      34 days  
   first obs. used      2018-04-08  
   last obs. used      2018-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .23921  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-13 06:25:05  

Additional Information
 Earth MOID = .0306859 au 
 Jupiter MOID = 2.67684 au 
 T_jup = 4.112 
[ 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 25.3   n/a MPO450736  

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