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JPL Small-Body Database Browser
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193912 (2001 QT255)
Classification: Main-belt Asteroid          SPK-ID: 2193912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018942640827284 4.016e-08  
a 2.28633213479576 1.2792e-08 au
q 1.824734790992476 8.9591e-08 au
i 6.716529600883215 7.0552e-06 deg
node 197.7116928131147 3.487e-05 deg
peri 81.81942882051295 3.9734e-05 deg
M 78.9919222843298 2.1756e-05 deg
tp 2458323.431221912882
(2018-Jul-23.93122191)
7.507e-05 TDB
period 1262.72101281867
3.46
1.0597e-05
2.901e-08
d
yr
n .2850986055869942 2.3926e-09 deg/d
Q 2.747929478599043 1.5374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      10253 days (28.07 yr)  
   first obs. used      1991-11-02  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:38:07  

Additional Information
 Earth MOID = .822984 au 
 Jupiter MOID = 2.4104 au 
 T_jup = 3.565 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO454348  

193912 (2001 QT255)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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