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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104874011647331 5.5595e-08  
a 2.350431433939813 1.9092e-08 AU
q 2.090738373187906 1.3173e-07 AU
i 5.594908845371078 6.3703e-06 deg
node 96.7764066084747 5.5267e-05 deg
peri 112.4774712293844 6.225e-05 deg
M 316.5574445049568 3.2787e-05 deg
tp 2457159.330049256036
(2015-May-16.83004926)
0.00012072 JED
period 1316.193697184714
3.60
1.6037e-05
4.391e-08
d
yr
n .2735159731960619 3.3326e-09 deg/d
Q 2.610124494691719 2.1202e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1990-06-14  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50703  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:27:18  

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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