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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281342537748779 3.3467e-08  
a 2.768885324634951 1.1854e-08 au
q 2.137207737311146 9.3431e-08 au
i 11.62068332421023 6.3501e-06 deg
node 341.9824644834943 1.811e-05 deg
peri 53.18394918389999 2.3795e-05 deg
M 63.08933213200264 1.3618e-05 deg
tp 2458905.576546809706
(2020-Feb-26.07654681)
6.3393e-05 TDB
period 1682.890586420534
4.61
1.0807e-05
2.959e-08
d
yr
n .2139176503243214 1.3737e-09 deg/d
Q 3.400562911958756 1.4559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      8948 days (24.50 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:45:39  

Additional Information
 Earth MOID = 1.16361 au 
 Jupiter MOID = 2.18364 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 14.96   n/a MPCxxxxx  
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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