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9903 Leonhardt (1997 NA1)
Classification: Main-belt Asteroid          SPK-ID: 2009903
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420236550558063 6.75e-08  
a 3.078297836544517 2.9652e-08 AU
q 2.333276942793632 2.0884e-07 AU
i 1.684282527560466 8.1956e-06 deg
node 196.1119633477158 0.00021647 deg
peri 138.9019554394366 0.00021733 deg
M 58.11230852364157 1.6819e-05 deg
tp 2456682.058244093463
(2014-Jan-24.55824409)
8.9606e-05 JED
period 1972.715162050655
5.40
2.8503e-05
7.804e-08
d
yr
n .1824895995759351 2.6368e-09 deg/d
Q 3.823318730295402 3.6828e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      13889 days (38.03 yr)  
   first obs. used      1976-10-22  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:10:49  

Additional Information
 Earth MOID = 1.32442 AU 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a PDS3 (MPC 33469)  

9903 Leonhardt           Discovered 1997 July 4 by P. G. Comba at Prescott.
Named for Gustav Leonhardt (b. 1928), eminent Dutch harpsichordist, conductor and pedagogue. As a harpsichordist, he has made many concert tours of Europe and North America and recorded a large number of baroque works.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990402/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1997 NA1 = 1976 UG6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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