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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2670678230291752 7.8972e-08  
a 3.939932309045842 6.3174e-08 AU
q 2.887703164386657 3.3408e-07 AU
i 3.835513018844126 8.9315e-06 deg
node 97.96540752058432 0.00011783 deg
peri 261.6159419811738 0.00011976 deg
M 350.2263628507803 1.6892e-05 deg
tp 2457078.050620721993
(2015-Feb-24.55062072)
0.00013473 JED
period 2856.482498140057
7.82
6.8703e-05
1.881e-07
d
yr
n .1260291285643819 3.0312e-09 deg/d
Q 4.992161453705026 8.0046e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8370 days (22.92 yr)  
   first obs. used      1991-10-03  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53611  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:15:15  

Additional Information
 Earth MOID = 1.88791 AU 
 T_jup = 2.994 
[ 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 MPO302198  

21804 Václavneumann           Discovered 1999 Oct. 4 by L. Sarounová at Ondrejov.
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, Janácek and Dvorák.
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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