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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .227978639718507 4.7135e-08  
a 2.76836808620151 1.468e-08 au
q 2.137239295669163 1.3581e-07 au
i 11.62032740155563 6.9052e-06 deg
node 341.9865826541054 1.982e-05 deg
peri 53.16664080400262 2.5024e-05 deg
M 20.32324474383647 1.3891e-05 deg
tp 2458905.521627301420
(2020-Feb-26.02162730)
6.4754e-05 TDB
period 1682.419052787246
4.61
1.3382e-05
3.664e-08
d
yr
n .2139776052842434 1.702e-09 deg/d
Q 3.399496876733857 1.8026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      8528 days (23.35 yr)  
   first obs. used      1996-09-21  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:23:31  

Additional Information
 Earth MOID = 1.16477 au 
 Jupiter MOID = 2.18342 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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