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(2011 TB4)
Classification: Apollo [NEO]          SPK-ID: 3581506
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4558069810396322 8.4111e-07  
a 1.306959140852348 1.2291e-08 au
q .7112380405182878 1.0952e-06 au
i 6.728079724131073 3.5419e-05 deg
node 11.50758445582302 1.1948e-05 deg
peri 90.9440628177294 0.00013139 deg
M 241.563248565017 2.6258e-05 deg
tp 2459180.045873700425
(2020-Nov-26.54587370)
4.2298e-05 TDB
period 545.7471076250837
1.49
7.6987e-06
2.108e-08
d
yr
n .6596461895448323 9.3054e-09 deg/d
Q 1.902680241186408 1.7894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      1103 days (3.02 yr)  
   first obs. used      2011-10-03  
   last obs. used      2014-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31918  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:33  

Additional Information
 Earth MOID = .00730085 au 
 Jupiter MOID = 3.28253 au 
 T_jup = 4.867 
[ 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 25.4   n/a E2014T55  

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