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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104873889600896 5.484e-08  
a 2.350431420199961 1.3802e-08 AU
q 2.090738389652311 1.3093e-07 AU
i 5.594906730335051 4.873e-06 deg
node 96.77640210454373 5.4032e-05 deg
peri 112.4774561328922 5.8544e-05 deg
M 316.5574711530458 2.1555e-05 deg
tp 2457159.329950435427
(2015-May-16.82995044)
7.8558e-05 JED
period 1316.193685643659
3.60
1.1593e-05
3.174e-08
d
yr
n .2735159755943891 2.4091e-09 deg/d
Q 2.61012445074761 1.5327e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      9136 days (25.01 yr)  
   first obs. used      1990-06-14  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49754  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:10:19  

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 14.1 mag n/a MPO337366  

12732 (1991 TN)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring
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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