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12732 (1991 TN)
Classification: Main-belt Asteroid          SPK-ID: 2012732
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104873931107343 5.4926e-08  
a 2.350431427874012 1.6871e-08 AU
q 2.090738386722672 1.3112e-07 AU
i 5.594909714369432 5.9775e-06 deg
node 96.77640181029462 5.4466e-05 deg
peri 112.4774680669919 6.0327e-05 deg
M 316.557455564878 2.8246e-05 deg
tp 2457159.330008205086
(2015-May-16.83000821)
0.00010372 JED
period 1316.193692089627
3.60
1.4171e-05
3.88e-08
d
yr
n .2735159742548633 2.9449e-09 deg/d
Q 2.610124469025353 1.8735e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1022  
   data-arc span      8993 days (24.62 yr)  
   first obs. used      1990-06-14  
   last obs. used      2015-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51199  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:35:46  

Additional Information
 Earth MOID = 1.09407 AU 
 T_jup = 3.543 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO244299  

12732 (1991 TN)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring (413)
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TN = 1995 WE19 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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