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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104873919213074 5.5166e-08  
a 2.350431425483325 1.8208e-08 AU
q 2.090738387391791 1.3126e-07 AU
i 5.59490981512051 6.2406e-06 deg
node 96.77640146869174 5.4833e-05 deg
peri 112.4774651213643 6.1376e-05 deg
M 316.557460099104 3.1056e-05 deg
tp 2457159.329991385206
(2015-May-16.82999139)
0.00011424 JED
period 1316.193690081523
3.60
1.5294e-05
4.187e-08
d
yr
n .273515974672164 3.1782e-09 deg/d
Q 2.610124463574858 2.022e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      8965 days (24.54 yr)  
   first obs. used      1990-06-14  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51157  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:17:11  

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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