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2342 Lebedev (1968 UQ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2002342
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136636501621171 1.484e-08  
a 3.218576035629859 1.2644e-08 au
q 2.778801065919658 4.9191e-08 au
i .368749017207526 1.2036e-06 deg
node 195.9220793756201 0.00022269 deg
peri 216.5576057174439 0.00022312 deg
M 30.22659873216378 8.0658e-06 deg
tp 2459219.415370648176
(2021-Jan-04.91537065)
4.7145e-05 TDB
period 2109.085019176192
5.77
1.2428e-05
3.403e-08
d
yr
n .1706901318471343 1.0058e-09 deg/d
Q 3.658351005340061 1.4372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3298  
   data-arc span      41756 days (114.32 yr)  
   first obs. used      1906-12-17  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44065  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:36:05  

Additional Information
 Earth MOID = 1.78937 au 
 Jupiter MOID = 1.7014 au 
 T_jup = 3.175 
[ 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 12.02   n/a E2021B10  
diameter diameter 21.925 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2342 Lebedev           Discovered 1968 Oct. 22 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Named in memory of Nikolaj Aleksandrovich Lebedev (1914-1942), a valiant tank officer who fell in the battle of Stalingrad.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6060Last Updated: 2006-03-21

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Alternate Designations
 1968 UQ = 1950 OC = 1950 PG = 1951 YM = 1962 VJ = 1963 WF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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