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(2011 ES4)
Classification: Apollo [NEO]          SPK-ID: 3558279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .24328729609512 1.1419e-07  
a 1.096346962834208 1.1771e-08 au
q .8296196746641767 1.1963e-07 au
i 3.37069486472107 7.9973e-06 deg
node 339.8329572115514 1.3023e-05 deg
peri 274.7389745736727 1.7778e-05 deg
M 316.8375752674414 1.3538e-05 deg
tp 2459446.771724909907
(2021-Aug-20.27172491)
1.6532e-05 TDB
period 419.2957434551797
1.15
6.7527e-06
1.849e-08
d
yr
n .8585825294419712 1.3827e-08 deg/d
Q 1.36307425100424 1.4635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      3489 days (9.55 yr)  
   first obs. used      2011-02-23  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:52:34  

Additional Information
 Earth MOID = .000459588 au 
 Jupiter MOID = 3.67336 au 
 T_jup = 5.635 
[ 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 25.9   n/a E2020-SD9  

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