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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108761459009455 5.5586e-08  
a 2.350626358924973 1.8725e-08 AU
q 2.089997967794199 1.3185e-07 AU
i 5.596187055405831 6.3725e-06 deg
node 96.78380826476065 5.5238e-05 deg
peri 112.4881820745563 6.2193e-05 deg
M 261.8827044219351 3.2451e-05 deg
tp 2457159.270642231699
(2015-May-16.77064223)
0.00012048 JED
period 1316.357431607462
3.60
1.5729e-05
4.306e-08
d
yr
n .2734819520564321 3.2679e-09 deg/d
Q 2.611254750055746 2.0802e-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 = 1.09219 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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