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JPL Small-Body Database Browser
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109139 (2001 QJ55)
Classification: Main-belt Asteroid          SPK-ID: 2109139
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07727135007128651 6.0499e-08  
a 2.563454493729466 1.9486e-08 au
q 2.365372904152684 1.4768e-07 au
i 7.328225797438897 5.3965e-06 deg
node 127.9256128587345 4.8345e-05 deg
peri 248.7729120878781 6.1068e-05 deg
M 74.74606796672438 3.7237e-05 deg
tp 2458289.240442315903
(2018-Jun-19.74044232)		 0.00015481 TDB
period 1499.121543305248
4.10		 1.7094e-05
4.68e-08		 d
yr
n .2401406354325851 2.7382e-09 deg/d
Q 2.761536083306249 2.0992e-08 au
   Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1996-05-12  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60161  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:28:20  

Additional Information
 Earth MOID = 1.3764 au 
 Jupiter MOID = 2.59777 au 
 T_jup = 3.418 
[ 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 15.7   n/a MPO412770  

109139 (2001 QJ55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QJ55 = 1999 AA15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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