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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111225108589638 5.8753e-08  
a 2.996018086680555 2.923e-08 AU
q 2.363491225641688 1.6602e-07 AU
i 12.26619817222136 7.1274e-06 deg
node 137.1960258643053 2.8121e-05 deg
peri 71.47140416926277 3.4045e-05 deg
M 133.8101821876674 1.7731e-05 deg
tp 2456296.452866919268
(2013-Jan-03.95286692)
9.0174e-05 JED
period 1894.153073893828
5.19
2.772e-05
7.589e-08
d
yr
n .1900585570203915 2.7814e-09 deg/d
Q 3.628544947719423 3.5401e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      11391 days (31.19 yr)  
   first obs. used      1983-09-12  
   last obs. used      2014-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55741  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:15:36  

Additional Information
 Earth MOID = 1.39563 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 13.3 mag n/a MPO309248  

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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