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(2020 FW4)
Classification: Apollo [NEO, PHA]          SPK-ID: 54016360
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6952011355447886 0.00043384  
a 2.293861547348207 0.0028659 au
q .6991663948492078 0.00012163 au
i 5.135670315718831 0.0019524 deg
node 50.23868629379066 0.0061662 deg
peri 222.5716938896199 0.0053043 deg
M 58.9729705439932 0.10755 deg
tp 2458992.626210953507
(2020-May-23.12621095)
0.010477 TDB
period 1268.963787417014
3.47
2.3781
0.006511
d
yr
n .2836960389017743 0.00053167 deg/d
Q 3.888556699847207 0.0048583 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      18 days  
   first obs. used      2020-03-23  
   last obs. used      2020-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-22 06:33:16  

Additional Information
 Earth MOID = .0472096 au 
 Jupiter MOID = 1.2887 au 
 T_jup = 3.219 
[ 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 21.7   .36346 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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