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(2018 EG4)
Classification: Centaur          SPK-ID: 3801931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458185.5 (2018-Mar-08.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6660070427827501 0.026842  
a 13.14904434372084 0.81625 au
q 4.391688204940077 0.080844 au
i 17.38960890689424 0.32035 deg
node 28.99630341264011 0.82014 deg
peri 100.6349358306234 3.3567 deg
M 5.787370867046222 0.48768 deg
tp 2457905.525469616189
(2017-Jun-01.02546962)
23.068 TDB
period 17415.65094991293
47.68
1621.7
4.44
d
yr
n .02067106196807417 0.0019248 deg/d
Q 21.90640048250161 1.3599 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      9 days  
   first obs. used      2018-03-07  
   last obs. used      2018-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .39973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 14:05:14  

Additional Information
 Earth MOID = 3.46213 au 
 Jupiter MOID = .375356 au 
 T_jup = 2.659 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO439040  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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