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(2011 TA4)
Classification: Amor [NEO]          SPK-ID: 3581505
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6495514299197657 8.3959e-05  
a 3.093856963231975 0.00072848 au
q 1.084237748797422 4.4645e-06 au
i 19.68991549151487 0.0015329 deg
node 11.71730859342753 0.00036562 deg
peri 20.75492488841628 0.00044927 deg
M 208.6347166466611 0.20283 deg
tp 2459836.242621970592
(2022-Sep-13.74262197)
1.4151 TDB
period 1987.690553897256
5.44
0.70203
0.001922
d
yr
n .1811147108860328 6.3968e-05 deg/d
Q 5.103476177666528 0.0012017 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      70 days  
   first obs. used      2011-10-03  
   last obs. used      2011-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3414  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:33  

Additional Information
 Earth MOID = .106966 au 
 Jupiter MOID = .665227 au 
 T_jup = 2.786 
[ 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 20.6   n/a MPO218113  

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