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JPL Small-Body Database Browser
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34756 (2001 QL139)
Classification: Main-belt Asteroid          SPK-ID: 2034756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2424064649198942 4.3572e-08  
a 2.752800166496189 1.3515e-08 au
q 2.085503609504951 1.2149e-07 au
i 9.434223667691604 5.199e-06 deg
node 288.4024733844868 2.8997e-05 deg
peri 172.4303470522655 3.0933e-05 deg
M 261.1349151661624 1.0882e-05 deg
tp 2459058.642834317281
(2020-Jul-28.14283432)
5.2252e-05 TDB
period 1668.24739625138
4.57
1.2285e-05
3.363e-08
d
yr
n .215795331561095 1.5891e-09 deg/d
Q 3.420096723487426 1.6791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9801 days (26.83 yr)  
   first obs. used      1992-11-21  
   last obs. used      2019-09-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:50  

Additional Information
 Earth MOID = 1.10293 au 
 Jupiter MOID = 1.7559 au 
 T_jup = 3.282 
[ 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 14.5   n/a MPO452657  
diameter diameter 4.133 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34756 (2001 QL139)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QL139 = 1992 WY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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