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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6953810297691609 0.00049081  
a 2.294913658665519 0.0032455 au
q .6990742354713777 0.00013771 au
i 5.13632217877557 0.0022043 deg
node 50.24064113822174 0.0070346 deg
peri 222.5698866324403 0.0060542 deg
M 2.230816606702491 0.0013725 deg
tp 2458992.631185251495
(2020-May-23.13118525)
0.011851 TDB
period 1269.836929199273
3.48
2.6938
0.007375
d
yr
n .2835009690787673 0.0006014 deg/d
Q 3.890753081859661 0.0055024 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   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      .38329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-10 06:27:03  

Additional Information
 Earth MOID = .0471309 au 
 Jupiter MOID = 1.28725 au 
 T_jup = 3.218 
[ 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 21.701   .36816 17 autocmod 2.8

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