Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425469355962303 3.8624e-08  
a 2.753673325228244 1.2314e-08 au
q 2.085778298561052 1.1018e-07 au
i 9.434272556499421 4.0488e-06 deg
node 288.4003261167686 2.8839e-05 deg
peri 172.3694904066352 3.0755e-05 deg
M 347.5013431823748 1.0753e-05 deg
tp 2459058.446591609879
(2020-Jul-27.94659161)
5.0052e-05 TDB
period 1669.041184500662
4.57
1.1195e-05
3.065e-08
d
yr
n .2156927003018823 1.4468e-09 deg/d
Q 3.421568351895436 1.5301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      9935 days (27.20 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:34:48  

Additional Information
 Earth MOID = 1.10306 au 
 Jupiter MOID = 1.75388 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 14.6   n/a MPO502411  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 00:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin