Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
157491 Rudigerkollar (2005 RD22)
Classification: Main-belt Asteroid          SPK-ID: 2157491
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974637008687707 1.209e-07  
a 3.057917302666785 6.1683e-08 au
q 2.454089635131552 4.0886e-07 au
i 3.315287707857386 9.8808e-06 deg
node 341.9712213662245 0.00010762 deg
peri 48.36320136043125 0.00011251 deg
M 331.9833393104509 3.8055e-05 deg
tp 2457552.502559531289
(2016-Jun-13.00255953)
0.00021025 JED
period 1953.156446359659
5.35
5.9097e-05
1.618e-07
d
yr
n .1843170323969577 5.5769e-09 deg/d
Q 3.661744970202017 7.3863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7727 days (21.16 yr)  
   first obs. used      1994-09-11  
   last obs. used      2015-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50079  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 21:05:09  

Additional Information
 Earth MOID = 1.45948 au 
 Jupiter MOID = 1.80624 au 
 T_jup = 3.202 
[ 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 15.8 mag n/a MPO345258  

157491 Rüdigerkollar           Discovered 2005 Sept. 8 by M. Fiedler at Radebeul.
Rüdiger Kollar (1925-2005) founded the Radebeul Public Observatory, where this minor planet was discovered. Later he became director of this Observatory and remained in that position until his retirement in 1989.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Alternate Designations
 2005 RD22 = 2002 EL156 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-07 21:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin