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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02458328554190943 6.2403e-08  
a 2.420812642424714 2.0735e-08 au
q 2.361301113992523 1.5526e-07 au
i 7.808848322220109 8.6846e-06 deg
node 220.594122855993 4.9284e-05 deg
peri 78.18535484208968 0.00021188 deg
M 183.5003155244538 0.00020244 deg
tp 2458074.999492993359
(2017-Nov-17.49949299)
0.0007724 JED
period 1375.752133490366
3.77
1.7676e-05
4.839e-08
d
yr
n .2616750439533452 3.362e-09 deg/d
Q 2.480324170856905 2.1245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      6416 days (17.57 yr)  
   first obs. used      1998-05-24  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51905  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:51:07  

Additional Information
 Earth MOID = 1.35822 au 
 Jupiter MOID = 2.54648 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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