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JPL Small-Body Database Browser
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390656 (2002 QN117)
Classification: Main-belt Asteroid          SPK-ID: 2390656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06507838217221473 7.3507e-08  
a 2.689253637143855 3.0766e-08 au
q 2.514241361187789 1.8559e-07 au
i 4.772830220911376 6.4124e-06 deg
node 211.5906874000163 6.9113e-05 deg
peri 190.8399908619223 8.576e-05 deg
M 213.1071403215449 5.0891e-05 deg
tp 2459257.770679055796
(2021-Feb-12.27067906)
0.00023287 TDB
period 1610.816516051472
4.41
2.7642e-05
7.568e-08
d
yr
n .2234891413222241 3.8352e-09 deg/d
Q 2.864265913099921 3.2768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6213 days (17.01 yr)  
   first obs. used      2002-08-16  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:14  

Additional Information
 Earth MOID = 1.52194 au 
 Jupiter MOID = 2.41157 au 
 T_jup = 3.365 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO437599  

390656 (2002 QN117)          Discovered 2002-Aug-16 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

Alternate Designations
 2002 QN117 = 2007 TB195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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