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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362359507484515 3.1701e-08  
a 3.217153808403729 1.7133e-08 au
q 2.778861800611846 1.0809e-07 au
i .3688877682624143 3.6876e-06 deg
node 195.9390902132585 0.00057548 deg
peri 216.4991245466854 0.00057571 deg
M 322.6388159772996 1.4435e-05 deg
tp 2459219.238028759777
(2021-Jan-04.73802876)
8.4727e-05 TDB
period 2107.687227087728
5.77
1.6837e-05
4.61e-08
d
yr
n .1708033314304541 1.3644e-09 deg/d
Q 3.655445816195613 1.9467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      41504 days (113.63 yr)  
   first obs. used      1906-12-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:49:07  

Additional Information
 Earth MOID = 1.78989 au 
 Jupiter MOID = 1.70265 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456812.5 (2014-Jun-04.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328300440274588 3.094e-08  
q 2.793874406044792 1.0468e-07 au
tp 2457084.446318336910
(2015-Mar-02.94631834)
8.8323e-05 TDB
node 195.4429069944592 0.00059714 deg
peri 213.6615603089994 0.00059733 deg
i .353626443981732 3.7062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      41504 days (113.63 yr)  
   first obs. used      1906-12-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47511  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:49:07  

Additional Information
 Jupiter MOID = 1.70265 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.573129014472886E-16 -3.209900874869498E-15 -1.024783601662356E-13 3.293913208586003E-14 -4.803064868012266E-14 -6.677151614435133E-17
q -3.209900874869498E-15 1.095790347857669E-14 3.480257933149957E-13 -1.020753201680032E-13 1.462708502145839E-13 2.311014567413707E-16
tp -1.024783601662356E-13 3.480257933149957E-13 7.800973759926759E-9 -2.95148606363996E-11 1.348718971528592E-9 8.040757960837344E-14
node 3.293913208586003E-14 -1.020753201680032E-13 -2.95148606363996E-11 3.565755331390247E-7 -3.565762879176694E-7 -2.539031667657989E-10
peri -4.803064868012266E-14 1.462708502145839E-13 1.348718971528592E-9 -3.565762879176694E-7 3.568073505643159E-7 2.53912141717797E-10
i -6.677151614435133E-17 2.311014567413707E-16 8.040757960837344E-14 -2.539031667657989E-10 2.53912141717797E-10 1.373617672577843E-11

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

[ show close-approach data ]
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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