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JPL Small-Body Database Browser
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172207 (2002 QN68)
Classification: Main-belt Asteroid          SPK-ID: 2172207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03878649630077774 4.6574e-08  
a 2.638931634910821 1.9909e-08 au
q 2.536576722815347 1.3188e-07 au
i 4.176707820408656 5.5877e-06 deg
node 351.650394124269 6.3037e-05 deg
peri 43.55955470219239 9.7231e-05 deg
M 353.5134249037984 7.4657e-05 deg
tp 2459028.713280424245
(2020-Jun-28.21328042)
0.00032478 TDB
period 1565.815673463135
4.29
1.772e-05
4.851e-08
d
yr
n .229912119351688 2.6018e-09 deg/d
Q 2.741286547006295 2.0681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      6241 days (17.09 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:31  

Additional Information
 Earth MOID = 1.54362 au 
 Jupiter MOID = 2.4079 au 
 T_jup = 3.391 
[ 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 16.1   n/a MPO439989  

172207 (2002 QN68)          Discovered 2002-Aug-18 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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