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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04142128645198828 1.9908e-05  
a 1.028073072722158 1.646e-05 au
q .9854889634833579 4.8797e-06 au
i 6.759019866329129 0.0023445 deg
node 181.848473596434 0.00044214 deg
peri 57.34110898425507 0.002012 deg
M 201.579872136376 0.0047081 deg
tp 2459368.049162745164
(2021-Jun-02.54916275)
0.0088395 TDB
period 380.7451704633352
1.04
0.0091442
2.504e-05
d
yr
n .9455142912565639 2.2708e-05 deg/d
Q 1.070657181960959 1.7142e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .42551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:21:07  

Additional Information
 Earth MOID = .00610755 au 
 Jupiter MOID = 3.89488 au 
 T_jup = 5.943 
[ 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 27.9   .338 E2020-QF4 autocmod 2.8

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