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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2672153402174385 7.9257e-08  
a 3.940592616449532 8.1964e-08 AU
q 2.887605819786644 3.3426e-07 AU
i 3.835609695793482 9.7005e-06 deg
node 97.9667125392214 0.0001331 deg
peri 261.6206462825935 0.00013515 deg
M 325.0278298999564 2.1618e-05 deg
tp 2457078.062516969040
(2015-Feb-24.56251697)
0.00017695 JED
period 2857.200620465066
7.82
8.9144e-05
2.441e-07
d
yr
n .12599745268899 3.9311e-09 deg/d
Q 4.993579413112419 1.0387e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8309 days (22.75 yr)  
   first obs. used      1991-10-03  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5432  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:47:17  

Additional Information
 Earth MOID = 1.8863 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 14.3 mag n/a MPO263540  

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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