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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155490568294902 5.9013e-08  
a 2.314825864165252 1.3791e-08 AU
q 2.047349918836448 1.4103e-07 AU
i 6.803447860389556 6.9798e-06 deg
node 48.07209923938342 5.1942e-05 deg
peri 17.75906902421196 6.0696e-05 deg
M 325.9641146310352 3.3201e-05 deg
tp 2457122.121531450408
(2015-Apr-09.62153145)
0.00011877 JED
period 1286.399658698778
3.52
1.1496e-05
3.147e-08
d
yr
n .2798508205172786 2.5009e-09 deg/d
Q 2.582301809494056 1.5385e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      12847 days (35.17 yr)  
   first obs. used      1979-11-17  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49834  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:49:10  

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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