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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02481351579256984 6.2726e-08  
a 2.420644459725002 2.1503e-08 AU
q 2.360579760195419 1.5633e-07 AU
i 7.808801128525576 8.8927e-06 deg
node 220.599980046606 4.9703e-05 deg
peri 78.51361080817684 0.00021853 deg
M 78.46160553770024 0.00020881 deg
tp 2456700.687576267075
(2014-Feb-12.18757627)
0.00079873 JED
period 1375.608768189074
3.77
1.833e-05
5.018e-08
d
yr
n .2617023156038206 3.4871e-09 deg/d
Q 2.480709159254585 2.2037e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      6046 days (16.55 yr)  
   first obs. used      1998-05-24  
   last obs. used      2014-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:15:58  

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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