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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362359503905733 3.173e-08  
a 3.217153808108579 1.7334e-08 au
q 2.778861801508255 1.0812e-07 au
i .368887775507432 3.6879e-06 deg
node 195.9390192838928 0.00058544 deg
peri 216.4991951795506 0.00058568 deg
M 322.6388163857418 1.4825e-05 deg
tp 2459219.238026338374
(2021-Jan-04.73802634)
8.7065e-05 TDB
period 2107.687226797681
5.77
1.7034e-05
4.664e-08
d
yr
n .1708033314539591 1.3804e-09 deg/d
Q 3.655445814708903 1.9695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2586  
   data-arc span      41445 days (113.47 yr)  
   first obs. used      1906-12-17  
   last obs. used      2020-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:44:05  

Additional Information
 Earth MOID = 1.78989 au 
 Jupiter MOID = 1.70265 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 11.9   n/a MPO332838  
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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