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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155490560049754 5.9224e-08  
a 2.314825863558406 1.3903e-08 AU
q 2.04734992020833 1.414e-07 AU
i 6.803448073607967 6.9958e-06 deg
node 48.07210278835279 5.2667e-05 deg
peri 17.75906465223621 6.1274e-05 deg
M 325.9641158860665 3.3311e-05 deg
tp 2457122.121526917939
(2015-Apr-09.62152692)
0.00011917 JED
period 1286.399658192921
3.52
1.159e-05
3.173e-08
d
yr
n .2798508206273255 2.5212e-09 deg/d
Q 2.582301806908482 1.551e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      12763 days (34.94 yr)  
   first obs. used      1979-11-17  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50615  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:29:32  

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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