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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02416366813724462 6.2135e-08  
a 2.42169009697308 1.8485e-08 au
q 2.363173181138571 1.55e-07 au
i 7.810144261119268 6.1693e-06 deg
node 220.5679280142523 4.8019e-05 deg
peri 78.10001293994394 0.00015048 deg
M 235.9131408027238 0.00014463 deg
tp 2458074.959958969632
(2017-Nov-17.45995897)
0.00055461 JED
period 1376.500189738197
3.77
1.576e-05
4.315e-08
d
yr
n .2615328371792452 2.9945e-09 deg/d
Q 2.480207012807589 1.8932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      6501 days (17.80 yr)  
   first obs. used      1998-05-24  
   last obs. used      2016-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52298  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:37:35  

Additional Information
 Earth MOID = 1.36143 au 
 Jupiter MOID = 2.54627 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 15.5 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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