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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6952746208540964 0.00043442  
a 2.294210672750823 0.0028708 au
q .699104217094573 0.00012184 au
i 5.13584520962762 0.0019556 deg
node 50.23909611873521 0.0061709 deg
peri 222.5712016586819 0.0053135 deg
M 2.231114840597759 0.0012111 deg
tp 2458992.633749094060
(2020-May-23.13374909)
0.010495 TDB
period 1269.25350260304
3.48
2.3824
0.006523
d
yr
n .2836312834762294 0.00053238 deg/d
Q 3.889317128407073 0.0048668 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   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      .38556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-11 06:08:38  

Additional Information
 Earth MOID = .0471243 au 
 Jupiter MOID = 1.28863 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458938.5 (2020-Mar-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6952659584003922 0.0004344  
q .6990436288498287 0.00012174 au
tp 2458992.638456434117
(2020-May-23.13845643)
0.010505 TDB
node 50.2879007899115 0.0061036 deg
peri 222.5337228579489 0.0052658 deg
i 5.128744976655366 0.0019646 deg
  Orbit Determination Parameters
   # obs. used (total)      295  
   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      .38556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-11 06:08:38  

Additional Information
 Jupiter MOID = 1.28863 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.886999548319362E-7 -5.288475970179325E-8 -4.563273702090343E-6 2.64948401114934E-6 -2.285676431533255E-6 8.533579182247905E-7
q -5.288475970179325E-8 1.482160589248215E-8 1.278887651521595E-6 -7.425885153361306E-7 6.405998876339584E-7 -2.39157176198601E-7
tp -4.563273702090343E-6 1.278887651521595E-6 .0001103526320801563 -6.406927721837221E-5 5.527262157762901E-5 -2.063667224907278E-5
node 2.64948401114934E-6 -7.425885153361306E-7 -6.406927721837221E-5 3.725345283519907E-5 -3.21382771833931E-5 1.197681492267719E-5
peri -2.285676431533255E-6 6.405998876339584E-7 5.527262157762901E-5 -3.21382771833931E-5 2.772849566837556E-5 -1.033209580036249E-5
i 8.533579182247905E-7 -2.39157176198601E-7 -2.063667224907278E-5 1.197681492267719E-5 -1.033209580036249E-5 3.859627939911931E-6

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 21.699   .36566 18 autocmod 2.8

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