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JPL Small-Body Database Browser
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(2020 FJ4)
Classification: Apollo [NEO]          SPK-ID: 54016354
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6325526926637476 0.00010299  
a 2.424571708798933 0.00064964 au
q .890902345841824 1.1099e-05 au
i 7.428186355998786 0.00095911 deg
node 4.492222321572356 4.9286e-06 deg
peri 224.3830234738258 0.00028388 deg
M 9.098795718148793 0.0033319 deg
tp 2458965.647624010549
(2020-Apr-26.14762401)
0.0012541 TDB
period 1378.95780330312
3.78
0.55421
0.001517
d
yr
n .2610667267248246 0.00010492 deg/d
Q 3.958241071756042 0.0010606 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      1 day  
   first obs. used      2020-03-24  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .30621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-25 07:42:14  

Additional Information
 Earth MOID = .00155909 au 
 Jupiter MOID = 1.14034 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458932.5 (2020-Mar-24.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6363374171499497 0.00010228  
q .8937001770979445 1.1907e-05 au
tp 2458965.207293507462
(2020-Apr-25.70729351)
0.0010557 TDB
node 4.529763650883952 1.1814e-05 deg
peri 223.6732196662036 0.00044695 deg
i 7.716253199870748 0.00087095 deg
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      1 day  
   first obs. used      2020-03-24  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .30621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-25 07:42:14  

Additional Information
 Jupiter MOID = 1.14034 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.046059488973954E-8 -1.211166733372489E-9 -1.070086446011746E-7 -1.152340695281375E-9 3.824587123922622E-8 8.862426541328884E-8
q -1.211166733372489E-9 1.417785809727357E-10 1.221493079968457E-8 1.303246640889279E-10 -4.732487851408594E-9 -1.015633800477187E-8
tp -1.070086446011746E-7 1.221493079968457E-8 1.114501357864023E-6 1.2145245559645E-8 -3.567730230108037E-7 -9.184768317496698E-7
node -1.152340695281375E-9 1.303246640889279E-10 1.2145245559645E-8 1.395746535608087E-10 -3.603038528056361E-9 -1.000082181202352E-8
peri 3.824587123922622E-8 -4.732487851408594E-9 -3.567730230108037E-7 -3.603038528056361E-9 1.997661091140909E-7 3.033962502517561E-7
i 8.862426541328884E-8 -1.015633800477187E-8 -9.184768317496698E-7 -1.000082181202352E-8 3.033962502517561E-7 7.585546631980182E-7

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 29.462   .26321 1 autocmod 2.8

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