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236111 Wolfgangbuttner (2005 RW4)
Classification: Main-belt Asteroid          SPK-ID: 2236111
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719612932698794 1.6932e-07  
a 2.172888490297016 5.4321e-08 AU
q 1.799235775374305 3.9248e-07 AU
i 5.778580779771966 1.6247e-05 deg
node 356.8950051722473 7.8099e-05 deg
peri 7.523564127866551 8.9929e-05 deg
M 326.46437806446 5.9127e-05 deg
tp 2457109.482922620277
(2015-Mar-27.98292262)
0.0001958 JED
period 1169.915745672242
3.20
4.3871e-05
1.201e-07
d
yr
n .3077144669021796 1.1539e-08 deg/d
Q 2.546541205219726 6.3662e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      2718 days (7.44 yr)  
   first obs. used      2005-09-07  
   last obs. used      2013-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60188  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 02:14:17  

Additional Information
 Earth MOID = .797236 AU 
 T_jup = 3.661 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4 mag n/a MPO254408  

236111 Wolfgangbüttner           Discovered 2005 Sept. 7 by M. Fiedler at Radebeul Observatory.
Wolfgang Büttner (1905-1998) was a German educator and sidewalk astronomer in Dresden. From 1938 he worked at Leipzig Observatory helping with the preparations of the "Third Fundamental Catalogue (FK3)". Later he was an educator at the Observatory in Radebeul.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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