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JPL Small-Body Database Browser
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(2011 ES4)
Classification: Apollo [NEO]          SPK-ID: 3558279
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422019189500303 0.00076488  
a 1.090313140104579 0.00039142 au
q .8262372053148167 0.00053774 au
i 3.368704185419636 0.010688 deg
node 339.892409537922 0.0067686 deg
peri 273.5456249491004 0.035631 deg
M 337.7591154311357 1.8495 deg
tp 2459026.190635734238
(2020-Jun-25.69063573)
2.1502 TDB
period 415.8390749113099
1.14
0.22393
0.0006131
d
yr
n .8657195095886088 0.00046618 deg/d
Q 1.354389074894341 0.00048622 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      4 days  
   first obs. used      2011-03-02  
   last obs. used      2011-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-11 04:51:56  

Additional Information
 Earth MOID = .000665648 au 
 Jupiter MOID = 3.68114 au 
 T_jup = 5.659 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455624.5 (2011-Mar-04.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421356138135856 0.00077285  
q .8254210427340671 0.00047605 au
tp 2455698.667507008638
(2011-May-17.16750701)
0.038071 TDB
node 340.0944302196164 0.0031339 deg
peri 273.5307141693868 0.012788 deg
i 3.390781404848171 0.01064 deg
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      4 days  
   first obs. used      2011-03-02  
   last obs. used      2011-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-11 04:51:56  

Additional Information
 Jupiter MOID = 3.68114 au 
 T_jup = 5.659 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.972959421395896E-7 -3.677375021866149E-7 -2.931150638597834E-5 -2.421311440907685E-6 9.116308578389378E-6 8.21789886350565E-6
q -3.677375021866149E-7 2.266266684577116E-7 1.799690508491368E-5 1.491605380823589E-6 -5.686118930421373E-6 -5.064805683570669E-6
tp -2.931150638597834E-5 1.799690508491368E-5 .001449419326776296 .0001186266526967608 -.0004309986226600177 -.000402099542312973
node -2.421311440907685E-6 1.491605380823589E-6 .0001186266526967608 9.821349132996076E-6 -3.724921070880088E-5 -3.333227737459021E-5
peri 9.116308578389378E-6 -5.686118930421373E-6 -.0004309986226600177 -3.724921070880088E-5 .0001635225420845602 .0001271829161256842
i 8.21789886350565E-6 -5.064805683570669E-6 -.000402099542312973 -3.333227737459021E-5 .0001271829161256842 .0001131997415890477

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 25.4   n/a E2020-AB4  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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