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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156099087357514 7.8869e-08  
a 2.315163060317335 2.0067e-08 AU
q 2.047507270205665 1.7782e-07 AU
i 6.803173649982389 8.558e-06 deg
node 48.07588281615502 5.5434e-05 deg
peri 17.69450723572234 6.3856e-05 deg
M 270.0625482585522 3.4687e-05 deg
tp 2457121.946632922499
(2015-Apr-09.44663292)
0.0001252 JED
period 1286.680749914659
3.52
1.6729e-05
4.58e-08
d
yr
n .2797896836677454 3.6378e-09 deg/d
Q 2.582818850429005 2.2387e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      12250 days (33.54 yr)  
   first obs. used      1979-11-17  
   last obs. used      2013-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51183  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:52:27  

Additional Information
 Earth MOID = 1.06084 AU 
 T_jup = 3.563 
[ 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 14.3 mag n/a MPO263503  

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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