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85185 Lederman (1991 LM3)
Classification: Mars-crossing Asteroid          SPK-ID: 2085185
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2851909824341089 3.2326e-08  
a 2.176269545219917 3.8489e-09 au
q 1.555617095577217 7.0599e-08 au
i 5.048296205779168 3.1912e-06 deg
node 230.64997493323 4.1569e-05 deg
peri 63.95786642367349 4.1969e-05 deg
M 346.6459334853008 4.7404e-06 deg
tp 2459043.998921370440
(2020-Jul-13.49892137)
1.5442e-05 TDB
period 1172.647423623449
3.21
3.1109e-06
8.517e-09
d
yr
n .3069976471594589 8.1443e-10 deg/d
Q 2.796921994862616 4.9466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      10666 days (29.20 yr)  
   first obs. used      1991-05-18  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = .548443 au 
 Jupiter MOID = 2.42961 au 
 T_jup = 3.626 
[ 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 16.4   n/a MPO436371  

85185 Lederman           Discovered 1991 June 6 by E. W. Elst at the European Southern Observatory.
Leon Max Lederman (b. 1922) is an American particle physicist and 1988 Physics Nobel Laureate. In 1962 he discovered the muon neutrino and in 1977 the bottom quark. Since 1989 he has been director emeritus of the Fermi National Accelerator Laboratory, and is the author of The God particle.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 1991 LM3 = 1998 XP13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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