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17549 (1993 TW12)
Classification: Main-belt Asteroid          SPK-ID: 2017549
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155490569999286 5.9019e-08  
a 2.314825863793219 1.3805e-08 AU
q 2.047349918112867 1.4105e-07 AU
i 6.803447911759848 6.9807e-06 deg
node 48.07209922274158 5.2065e-05 deg
peri 17.75906813862054 6.0795e-05 deg
M 325.964115769722 3.324e-05 deg
tp 2457122.121527352182
(2015-Apr-09.62152735)
0.00011891 JED
period 1286.399658388657
3.52
1.1507e-05
3.15e-08
d
yr
n .279850820584744 2.5034e-09 deg/d
Q 2.582301809473571 1.54e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      12792 days (35.02 yr)  
   first obs. used      1979-11-17  
   last obs. used      2014-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49768  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:35:53  

Additional Information
 Earth MOID = 1.06134 AU 
 T_jup = 3.564 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO309291  

17549 (1993 TW12)          Discovered 1993-Oct-13 by Holt, H. E. at Palomar (675)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TW12 = 1979 WY5 = 1999 KV11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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