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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420237423800442 5.6467e-08  
a 3.078297804592528 2.6366e-08 AU
q 2.33327664976477 1.6795e-07 AU
i 1.684278763062184 7.1521e-06 deg
node 196.1120358172944 0.00019944 deg
peri 138.9018840349232 0.00020035 deg
M 58.11232040141196 1.6034e-05 deg
tp 2456682.058183964105
(2014-Jan-24.55818396)
8.5831e-05 JED
period 1972.715131336193
5.40
2.5345e-05
6.939e-08
d
yr
n .1824896024172322 2.3446e-09 deg/d
Q 3.823318959420285 3.2747e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      14000 days (38.33 yr)  
   first obs. used      1976-10-22  
   last obs. used      2015-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49324  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:36:24  

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 14.5 mag n/a MPO324400  

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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