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(2020 FF4)
Classification: Apollo [NEO]          SPK-ID: 54016341
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04151612495344384 2.0057e-05  
a 1.028885365652928 1.5915e-05 au
q .9861700322497112 5.5502e-06 au
i 6.76115515833259 0.0023409 deg
node 181.9850584277683 0.00030579 deg
peri 58.51331129448464 0.0023664 deg
M 11.22313768994412 0.002195 deg
tp 2458988.616053109400
(2020-May-19.11605311)
0.0025184 TDB
period 381.1965066105685
1.04
0.0088448
2.422e-05
d
yr
n .9443948036170675 2.1913e-05 deg/d
Q 1.071600699056145 1.6576e-05 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      3 days  
   first obs. used      2020-03-24  
   last obs. used      2020-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .42551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:33:15  

Additional Information
 Earth MOID = .0078306 au 
 Jupiter MOID = 3.89573 au 
 T_jup = 5.940 
[ 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 27.829   .338 5 autocmod 2.8

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