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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02481354134436359 8.1159e-08  
a 2.420644449809824 2.9725e-08 AU
q 2.360579688674464 2.13e-07 AU
i 7.808796191016515 9.88e-06 deg
node 220.5999536465431 5.471e-05 deg
peri 78.51361745261386 0.00022169 deg
M 78.46162913851393 0.00021247 deg
tp 2456700.687487927258
(2014-Feb-12.18748793)
0.00081203 JED
period 1375.608759737149
3.77
2.5338e-05
6.937e-08
d
yr
n .2617023172117549 4.8204e-09 deg/d
Q 2.480709210945184 3.0462e-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 = 1.36053 AU 
 T_jup = 3.501 
[ 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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