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(2018 FE4)
Classification: Apollo [NEO]          SPK-ID: 3802068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2458205.5 (2018-Mar-28.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6050861990229214 0.00086078  
a 1.646734773316375 0.003057 au
q .6503182885314975 0.00021024 au
i 19.22107309918715 0.02541 deg
node 183.7074097112265 0.00077212 deg
peri 92.43804147220941 0.014863 deg
M 335.4322580590605 0.084323 deg
tp 2458258.174042803827
(2018-May-19.67404280)
0.034115 TDB
period 771.8517825107265
2.11
2.1493
0.005884
d
yr
n .4664107904615703 0.0012988 deg/d
Q 2.643151258101252 0.0049067 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      10 days  
   first obs. used      2018-03-20  
   last obs. used      2018-03-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .57922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:24:57  

Additional Information
 Earth MOID = .00788559 au 
 Jupiter MOID = 2.78267 au 
 T_jup = 4.006 
[ 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 24.7   n/a E2018G02  

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