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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2433527991144305 1.1423e-07  
a 1.096322632402959 1.1749e-08 au
q .8295294510751983 1.1971e-07 au
i 3.370676269182228 7.9971e-06 deg
node 339.8385637651982 1.3027e-05 deg
peri 274.7266754276453 1.7773e-05 deg
M 148.5673241015045 1.1023e-05 deg
tp 2459027.467852868440
(2020-Jun-26.96785287)
1.0367e-05 TDB
period 419.2817858441239
1.15
6.7397e-06
1.845e-08
d
yr
n .8586111110818367 1.3802e-08 deg/d
Q 1.36311581373072 1.4608e-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 = .000199995 au 
 Jupiter MOID = 3.67451 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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