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30829 Wolfwacker (1990 TE9)
Classification: Main-belt Asteroid          SPK-ID: 2030829
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486446235728677 6.6778e-08  
a 2.302870359120015 1.5793e-08 au
q 1.960561061451506 1.5532e-07 au
i 4.36560358916134 7.546e-06 deg
node 325.795532883755 8.2005e-05 deg
peri 344.9473939406821 8.6268e-05 deg
M 192.4093168474985 3.0993e-05 deg
tp 2458194.723786242995
(2018-Mar-17.22378624)
0.00011088 JED
period 1276.446631897896
3.49
1.3131e-05
3.595e-08
d
yr
n .282032942861646 2.9012e-09 deg/d
Q 2.645179656788525 1.814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1990-09-16  
   last obs. used      2016-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56366  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:05:04  

Additional Information
 Earth MOID = .946169 au 
 Jupiter MOID = 2.59552 au 
 T_jup = 3.571 
[ 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 14.5 mag n/a MPO263605  

30829 Wolfwacker           Discovered 1990 Oct. 10 by L. D. Schmadel and F. Börngen at Tautenburg.
Wolfgang Wacker (b. 1944) is a German astronomer who worked at the Heidelberg Max-Planck-Institut and as a teacher. For 25 years he served as scientific head and later as manager and director of the Mannheim planetarium. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 1990 TE9 = 1997 UP9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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