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JPL Small-Body Database Browser
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109386 (2001 QJ168)
Classification: Main-belt Asteroid          SPK-ID: 2109386
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797548860656231 5.5311e-08  
a 2.546503629741084 1.4203e-08 au
q 2.08875715991128 1.4124e-07 au
i 6.748513637290934 5.6055e-06 deg
node 80.91557751229193 4.0137e-05 deg
peri 217.3332584789618 4.1838e-05 deg
M 149.6937249184805 1.4321e-05 deg
tp 2457983.314135554331
(2017-Aug-17.81413555)
5.5885e-05 TDB
period 1484.276721161413
4.06
1.2418e-05
3.4e-08
d
yr
n .2425423742537093 2.0291e-09 deg/d
Q 3.004250099570888 1.6756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      6907 days (18.91 yr)  
   first obs. used      2000-03-12  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:30:42  

Additional Information
 Earth MOID = 1.07685 au 
 Jupiter MOID = 2.20742 au 
 T_jup = 3.410 
[ 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 15.6   n/a MPO453553  

109386 (2001 QJ168)          Discovered 2001-Aug-25 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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