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173709 (2001 QU106)
Classification: Main-belt Asteroid          SPK-ID: 2173709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2990672009477669 4.9862e-08  
a 3.187716433578327 2.9979e-08 au
q 2.234375002372859 1.6097e-07 au
i 24.66419647328625 8.2081e-06 deg
node 239.9363630657785 1.6067e-05 deg
peri 113.7734885847866 2.1848e-05 deg
M 91.37019886375141 1.474e-05 deg
tp 2458472.881495906308
(2018-Dec-20.38149591)
8.2267e-05 TDB
period 2078.825085594551
5.69
2.9325e-05
8.029e-08
d
yr
n .1731747430289638 2.4429e-09 deg/d
Q 4.141057864783795 3.8944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-08-22  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:08:02  

Additional Information
 Earth MOID = 1.34666 au 
 Jupiter MOID = 1.90899 au 
 T_jup = 2.990 
[ 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 14.8   n/a MPO268141  
diameter diameter 8.317 km 2.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173709 (2001 QU106)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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