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109323 (2001 QW139)
Classification: Main-belt Asteroid          SPK-ID: 2109323
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597766280748885 3.0348e-07  
a 2.523575470327673 1.3987e-08 au
q 2.120367090986217 7.6894e-07 au
i 14.58744830160956 6.8942e-06 deg
node 345.7340293337613 2.1501e-05 deg
peri 53.21277223547424 4.1805e-05 deg
M 236.3710370062492 2.5915e-05 deg
tp 2459503.352482443650
(2021-Oct-15.85248244)
0.00010675 TDB
period 1464.275759466367
4.01
1.2174e-05
3.333e-08
d
yr
n .2458553299627091 2.044e-09 deg/d
Q 2.926783849669129 1.6222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      13148 days (36.00 yr)  
   first obs. used      1983-05-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:23:32  

Additional Information
 Earth MOID = 1.15674 au 
 Jupiter MOID = 2.64651 au 
 T_jup = 3.393 
[ 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 14.3   n/a MPO338039  
diameter diameter 5.112 km 0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109323 (2001 QW139)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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