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(2018 FO4)
Classification: Apollo [NEO]          SPK-ID: 3802083
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2333634135858723 0.0003514  
a 1.229811239976649 0.00045922 au
q .9428182909494236 8.2777e-05 au
i 4.464249383567955 0.0056182 deg
node 355.0096592372735 0.00089194 deg
peri 241.4527939082424 0.0080561 deg
M 327.8308503842152 0.38205 deg
tp 2459245.013648663151
(2021-Jan-30.51364866)
0.55359 TDB
period 498.1453880543723
1.36
0.27902
0.0007639
d
yr
n .7226805840882465 0.00040479 deg/d
Q 1.516804189003874 0.00056639 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      2 days  
   first obs. used      2018-03-21  
   last obs. used      2018-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:25:00  

Additional Information
 Earth MOID = .0193096 au 
 Jupiter MOID = 3.48417 au 
 T_jup = 5.174 
[ 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 27.5   n/a MPO439056  

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