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JPL Small-Body Database Browser
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212491 (2006 QW117)
Classification: Main-belt Asteroid          SPK-ID: 2212491
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753678831573205 6.2403e-08  
a 3.080541350826123 3.7853e-08 au
q 2.540313335153153 2.017e-07 au
i .9748569782006133 9.0786e-06 deg
node 235.5010407312238 0.0004487 deg
peri 84.19873353719741 0.00044966 deg
M 138.102668224374 2.7672e-05 deg
tp 2457842.902453029077
(2017-Mar-30.40245303)
0.00015091 TDB
period 1974.872176013445
5.41
3.64e-05
9.966e-08
d
yr
n .1822902790228734 3.3599e-09 deg/d
Q 3.620769366499093 4.4491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5822 days (15.94 yr)  
   first obs. used      2001-10-14  
   last obs. used      2017-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65092  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 18:19:00  

Additional Information
 Earth MOID = 1.52673 au 
 Jupiter MOID = 1.6936 au 
 T_jup = 3.204 
[ 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 16.2   n/a MPO422826  

212491 (2006 QW117)          Discovered 2006-Aug-27 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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