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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420237141216944 5.9185e-08  
a 3.078297814411697 2.7054e-08 AU
q 2.333276744195084 1.7807e-07 AU
i 1.684281010542878 7.6173e-06 deg
node 196.1120001758054 0.00020357 deg
peri 138.9019189113825 0.00020446 deg
M 58.11231708377512 1.6157e-05 deg
tp 2456682.058200620322
(2014-Jan-24.55820062)
8.6411e-05 JED
period 1972.715140775057
5.40
2.6006e-05
7.12e-08
d
yr
n .182489601544073 2.4058e-09 deg/d
Q 3.82331888462831 3.3602e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      13942 days (38.17 yr)  
   first obs. used      1976-10-22  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:31:44  

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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