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109318 (2001 QU137)
Classification: Main-belt Asteroid          SPK-ID: 2109318
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04359426422901605 4.4683e-08  
a 2.806290734543039 1.7073e-08 au
q 2.68395255475793 1.2574e-07 au
i 6.537890990846519 6.2259e-06 deg
node 317.9832560021402 4.0058e-05 deg
peri 311.8431235546499 8.1016e-05 deg
M 100.1358507204295 6.9298e-05 deg
tp 2458522.877792589033
(2019-Feb-08.37779259)		 0.00033142 TDB
period 1717.1072441178
4.70		 1.567e-05
4.29e-08		 d
yr
n .2096549305427673 1.9132e-09 deg/d
Q 2.928628914328148 1.7817e-08 au
   Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      6645 days (18.19 yr)  
   first obs. used      2001-08-22  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:51:29  

Additional Information
 Earth MOID = 1.67295 au 
 Jupiter MOID = 2.15648 au 
 T_jup = 3.312 
[ 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 14.7   n/a MPO493616  
diameter diameter 3.149 km 0.961 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109318 (2001 QU137)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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