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(2020 FJ4)
Classification: Apollo [NEO]          SPK-ID: 54016354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .632558898606836 0.00010277  
a 2.424610733575562 0.00064831 au
q .8909016383946918 1.1057e-05 au
i 7.428242680797497 0.00095789 deg
node 4.492222402569938 4.9094e-06 deg
peri 224.3830376051866 0.00027889 deg
M 9.098594378205517 0.0033246 deg
tp 2458965.647553794612
(2020-Apr-26.14755379)
0.0012528 TDB
period 1378.991096030613
3.78
0.55309
0.001514
d
yr
n .2610604238390297 0.00010471 deg/d
Q 3.958319828756432 0.0010584 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   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      .29324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-03 06:33:33  

Additional Information
 Earth MOID = .00155911 au 
 Jupiter MOID = 1.14027 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458932.5 (2020-Mar-24.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6363435803555293 0.00010206  
q .8936994220653832 1.1866e-05 au
tp 2458965.207235032969
(2020-Apr-25.70723503)
0.0010546 TDB
node 4.52976283418077 1.1744e-05 deg
peri 223.6732504556448 0.00044203 deg
i 7.716304597313876 0.00086979 deg
  Orbit Determination Parameters
   # obs. used (total)      67  
   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      .29324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-03 06:33:33  

Additional Information
 Jupiter MOID = 1.14027 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.04155018214373E-8 -1.204513629146305E-9 -1.066933500985358E-7 -1.143789831431987E-9 3.78091076966282E-8 8.832240468017198E-8
q -1.204513629146305E-9 1.407937015793031E-10 1.216881392182863E-8 1.290540250025677E-10 -4.667363492916208E-9 -1.011189975333077E-8
tp -1.066933500985358E-7 1.216881392182863E-8 1.112248734127164E-6 1.208653730146968E-8 -3.53801908213095E-7 -9.163519202834223E-7
node -1.143789831431987E-9 1.290540250025677E-10 1.208653730146968E-8 1.379289929864999E-10 -3.518358499977879E-9 -9.943901626299693E-9
peri 3.78091076966282E-8 -4.667363492916208E-9 -3.53801908213095E-7 -3.518358499977879E-9 1.953940048960961E-7 3.004951520045385E-7
i 8.832240468017198E-8 -1.011189975333077E-8 -9.163519202834223E-7 -9.943901626299693E-9 3.004951520045385E-7 7.565350656387101E-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 29.475   .26694 2 autocmod 2.8

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