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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414957825272729 5.5263e-08  
a 3.079688807429033 2.5922e-08 au
q 2.335956948938475 1.6324e-07 au
i 1.684262133300361 6.6837e-06 deg
node 196.0776003513025 0.00019644 deg
peri 139.0274735291283 0.00019729 deg
M 131.034571789948 1.6298e-05 deg
tp 2456681.974688058926
(2014-Jan-24.47468806)
8.4422e-05 JED
period 1974.05241048477
5.40
2.4924e-05
6.824e-08
d
yr
n .1823659787794562 2.3025e-09 deg/d
Q 3.823420665919592 3.2183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      14303 days (39.16 yr)  
   first obs. used      1976-10-22  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51636  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:19  

Additional Information
 Earth MOID = 1.32456 au 
 Jupiter MOID = 1.56453 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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