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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2667039181912364 5.5296e-08  
a 3.937784299924946 4.8764e-08 au
q 2.887561798143028 2.2134e-07 au
i 3.835611265381229 7.4537e-06 deg
node 97.95987485875371 0.00010182 deg
peri 261.5764773719783 0.00010408 deg
M 40.69845135420324 1.5179e-05 deg
tp 2457077.835122356126
(2015-Feb-24.33512236)
0.00011942 JED
period 2854.146830817876
7.81
5.3017e-05
1.452e-07
d
yr
n .1261322634536078 2.343e-09 deg/d
Q 4.988006801706865 6.177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      8843 days (24.21 yr)  
   first obs. used      1991-10-03  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57904  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:48:43  

Additional Information
 Earth MOID = 1.88573 au 
 Jupiter MOID = .510807 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 14.5 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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