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21682 Pestafrantisek (1999 RT32)
Classification: Main-belt Asteroid          SPK-ID: 2021682
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07869193240167736 1.0207e-07  
a 2.467662934032651 2.9421e-08 AU
q 2.273477769237629 2.6475e-07 AU
i 8.514185757974023 1.0173e-05 deg
node 90.85463588194493 6.3825e-05 deg
peri 109.5571016605523 9.4313e-05 deg
M 69.88645675544777 7.2186e-05 deg
tp 2456525.636099576087
(2013-Aug-21.13609958)
0.00028239 JED
period 1415.882400489497
3.88
2.5322e-05
6.933e-08
d
yr
n .2542584044236593 4.5472e-09 deg/d
Q 2.661848098827674 3.1737e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1986-03-04  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59182  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:17:12  

Additional Information
 Earth MOID = 1.28609 AU 
 T_jup = 3.467 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO263539  

21682 Pestafrantisek           Discovered 1999 Sept. 9 by P. Pravec and P. Kusnirák at Ondrejov.
Frantisek Pesta (1905-1982), founder of the public observatory in the town of Sezimovo Ústí that now bears his name, was a keen popularizer of astronomy. He studied archival records of the Strkov (near Tábor, Bohemia) meteorite shower in 1753.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 RT32 = 1998 HX122 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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