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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421447467316209 7.93e-08  
a 3.078700556712855 3.5285e-08 AU
q 2.333209390145121 2.4871e-07 AU
i 1.684194279434766 9.2871e-06 deg
node 196.1106821143239 0.00024041 deg
peri 138.9089156594759 0.00024137 deg
M 21.60358270922609 1.8721e-05 deg
tp 2456682.094225913862
(2014-Jan-24.59422591)
0.00010139 JED
period 1973.102297185445
5.40
3.3921e-05
9.287e-08
d
yr
n .182453793963712 3.1367e-09 deg/d
Q 3.82419172328059 4.3829e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      13414 days (36.73 yr)  
   first obs. used      1976-10-22  
   last obs. used      2013-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54245  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:29:24  

Additional Information
 Earth MOID = 1.32256 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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