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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488820819441141 6.8251e-08  
a 2.302421667370311 1.6445e-08 au
q 1.959632336018981 1.5945e-07 au
i 4.366138278798951 7.7327e-06 deg
node 325.7931977163112 8.3856e-05 deg
peri 344.9590881814408 8.8237e-05 deg
M 135.975851438507 3.1213e-05 deg
tp 2456918.513351031255
(2014-Sep-18.01335103)
0.0001104 JED
period 1276.07359537085
3.49
1.3672e-05
3.743e-08
d
yr
n .2821153899790376 3.0226e-09 deg/d
Q 2.645210998721642 1.8894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1990-09-16  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5677  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:15:02  

Additional Information
 Earth MOID = .943779 au 
 Jupiter MOID = 2.59438 au 
 T_jup = 3.572 
[ 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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