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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02481353875939094 6.6704e-08  
a 2.420644450654408 2.328e-08 AU
q 2.36057969575539 1.6878e-07 AU
i 7.808800134369733 9.0859e-06 deg
node 220.5999727291492 5.2144e-05 deg
peri 78.51360492877085 0.00021944 deg
M 78.461622366086 0.00020929 deg
tp 2456700.687513648711
(2014-Feb-12.18751365)
0.00080047 JED
period 1375.608760457091
3.77
1.9845e-05
5.433e-08
d
yr
n .2617023170747896 3.7753e-09 deg/d
Q 2.480709205553425 2.3858e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      5974 days (16.36 yr)  
   first obs. used      1998-05-24  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51742  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:32:44  

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 15.5 mag n/a MPO309500  

44613 Rudolf           Discovered 1999 Sept. 8 by P. Pravec and P. Kušnirák at Ondřejov.
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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