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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14899908484041 7.8116e-08  
a 2.302846372972513 1.855e-08 AU
q 1.959724370871551 1.821e-07 AU
i 4.366168123036755 8.4966e-06 deg
node 325.7947076382589 8.9629e-05 deg
peri 345.0315220625056 9.6373e-05 deg
M 23.05779187613102 4.1918e-05 deg
tp 2456918.745608486585
(2014-Sep-18.24560849)
0.00014849 JED
period 1276.426689205066
3.49
1.5423e-05
4.223e-08
d
yr
n .2820373493006488 3.4077e-09 deg/d
Q 2.645968375073475 2.1313e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8791 days (24.07 yr)  
   first obs. used      1990-09-16  
   last obs. used      2014-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:57:47  

Additional Information
 Earth MOID = .946774 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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