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21804 Vaclavneumann (1999 TC8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2021804
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2665839828391927 5.3191e-08  
a 3.936814153042294 4.7787e-08 au
q 2.887322556426576 2.1134e-07 au
i 3.835833422571385 7.3293e-06 deg
node 97.95877251021074 9.8155e-05 deg
peri 261.5407677452243 0.00010043 deg
M 65.9728123319548 1.5112e-05 deg
tp 2457077.648577439127
(2015-Feb-24.14857744)
0.00011823 JED
period 2853.09213702785
7.81
5.1948e-05
1.422e-07
d
yr
n .126178890379272 2.2974e-09 deg/d
Q 4.986305749658011 6.0526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8943 days (24.48 yr)  
   first obs. used      1991-10-03  
   last obs. used      2016-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5696  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:37:39  

Additional Information
 Earth MOID = 1.88629 au 
 Jupiter MOID = .512146 au 
 T_jup = 2.995 
[ 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 MPO358836  

21804 Václavneumann           Discovered 1999 Oct. 4 by L. Šarounová at Ondřejov.
Václav Neumann (1920-1995) was the head conductor of the Czech Philharmonic Orchestra during 1968-1990. He became famous especially for his interpretation of the work of Martin{u°}, Mahler, Janáček and Dvořák.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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