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44613 Rudolf (1999 RU31)
Classification: Main-belt Asteroid          SPK-ID: 2044613
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02488444588789808 8.1137e-08  
a 2.421008875338115 2.9702e-08 AU
q 2.360763410985643 2.1297e-07 AU
i 7.80823219036323 9.8794e-06 deg
node 220.6042740343991 5.4713e-05 deg
peri 78.80981468080662 0.00022113 deg
M 25.82891261819445 0.00021193 deg
tp 2456701.781937862648
(2014-Feb-13.28193786)
0.00081006 JED
period 1375.919416151208
3.77
2.5321e-05
6.933e-08
d
yr
n .2616432298099336 4.8149e-09 deg/d
Q 2.481254339690587 3.0441e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      1998-05-24  
   last obs. used      2014-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51248  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:53:36  

Additional Information
 Earth MOID = 1.35891 AU 
 T_jup = 3.500 
[ 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 15.4 mag n/a MPO263717  

44613 Rudolf           Discovered 1999 Sept. 8 by P. Pravec and P. Kusnirák at Ondrejov.
Rudolf II (1552-1612), of the Habsburg dynasty, was a Czech and Hungarian king and Roman emperor. He created an important center for arts and sciences in Prague, assembled a great artistic collection and employed Tycho Brahe and Johannes Kepler as his court astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031110/MPCPages.arcLast Updated: 2003-11-12

[ show close-approach data ]
Alternate Designations
 1999 RU31 = 2001 BS48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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