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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2670678234423335 7.8956e-08  
a 3.939932313868045 6.2062e-08 AU
q 2.887703166293189 3.3404e-07 AU
i 3.8355121733126 8.7833e-06 deg
node 97.96541474764697 0.00011673 deg
peri 261.6159355469877 0.00011866 deg
M 350.2263615026225 1.6564e-05 deg
tp 2457078.050631561560
(2015-Feb-24.55063156)
0.00013207 JED
period 2856.482503384262
7.82
6.7493e-05
1.848e-07
d
yr
n .1260291283330055 2.9778e-09 deg/d
Q 4.992161461442901 7.8637e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      8428 days (23.07 yr)  
   first obs. used      1991-10-03  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52737  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:39:28  

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. 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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