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7700 Rote Kapelle (1990 TE8)
Classification: Main-belt Asteroid          SPK-ID: 2007700
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

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Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07286841168725554 5.6548e-08  
a 2.679136885708747 1.7184e-08 au
q 2.48391243615441 1.5105e-07 au
i 3.035880045222861 5.3483e-06 deg
node 58.75920690173346 0.00011106 deg
peri 93.57310669151134 0.00011697 deg
M 210.1550525160206 3.5763e-05 deg
tp 2458267.199893076653
0.00015943 JED
period 1601.73543077424
n .2247562194625267 2.1624e-09 deg/d
Q 2.874361335263083 1.8436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      9459 days (25.90 yr)  
   first obs. used      1989-07-29  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50457  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:57:33  

Additional Information
 Earth MOID = 1.49546 au 
 Jupiter MOID = 2.11437 au 
 T_jup = 3.371 
[ 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 13.5 mag n/a MPO279596  

7700 Rote Kapelle           Discovered 1990 Oct. 13 by F. Borngen and L. D. Schmadel at Tautenburg.
Named for the members of Rote Kapelle, a left-wing and communist resistance group who fought against the fascist regime, operating mainly in Berlin and Hamburg. Faced with the genocide of the European Jews, the group worked to accelerate both the breakdown of the fascist regime and the end of the war. Members of the group were, among others, Arvid Harnack, Harro Schulze-Boysen and Erika Gräfin Brockdorf. In 1942, the group was suppressed by the Geheime Staatspolizei, with the arrest of about 600 people, almost 60 of whom were executed. Name proposed 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: 19980411/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1990 TE8 = 1992 EU20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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