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109322 (2001 QU139)
Classification: Main-belt Asteroid          SPK-ID: 2109322
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278062181524861 4.7712e-08  
a 2.768226776710895 1.5167e-08 au
q 2.137607503719939 1.3768e-07 au
i 11.6198420849274 7.1624e-06 deg
node 341.9915634929283 2.0531e-05 deg
peri 53.11699474978744 2.5781e-05 deg
M 294.7507159339246 1.4454e-05 deg
tp 2458905.411759968072
(2020-Feb-25.91175997)
6.8158e-05 TDB
period 1682.290237504335
4.61
1.3826e-05
3.785e-08
d
yr
n .2139939898444975 1.7587e-09 deg/d
Q 3.39884604970185 1.8623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-09-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:14:53  

Additional Information
 Earth MOID = 1.16442 au 
 Jupiter MOID = 2.18112 au 
 T_jup = 3.271 
[ 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 14.9   n/a MPO226732  
diameter diameter 2.757 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109322 (2001 QU139)          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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