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12318 Kastner (1992 HD7)
Classification: Main-belt Asteroid          SPK-ID: 2012318
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109671923094123 6.3471e-08  
a 2.9964103512246 2.8186e-08 AU
q 2.364266072419886 1.8341e-07 AU
i 12.26572738638653 8.0697e-06 deg
node 137.1950817567314 3.1233e-05 deg
peri 71.49485153579009 3.9021e-05 deg
M 95.78922955730559 2.0438e-05 deg
tp 2456296.402504975364
(2013-Jan-03.90250498)
0.00010577 JED
period 1894.525084370807
5.19
2.6732e-05
7.319e-08
d
yr
n .190021236968504 2.6812e-09 deg/d
Q 3.628554630029313 3.4132e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      10886 days (29.80 yr)  
   first obs. used      1983-09-12  
   last obs. used      2013-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:15:28  

Additional Information
 Earth MOID = 1.39544 AU 
 T_jup = 3.186 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO266024  

12318 Kästner           Discovered 1992 Apr. 30 by F. Borngen at Tautenburg.
German writer and journalist Erich Kästner (1899-1974) wrote witty, sociocritical and satiric poems, and amusing novels, comedies, plays and scripts. His captivating children's books became world famous.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1992 HD7 = 1998 QQ61 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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