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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111224913578907 6.1203e-08  
a 2.996018088928666 2.9296e-08 AU
q 2.36349128584074 1.7425e-07 AU
i 12.26619814046512 7.381e-06 deg
node 137.1960262724213 3.014e-05 deg
peri 71.47139139891352 3.7316e-05 deg
M 133.8101904864485 1.9163e-05 deg
tp 2456296.452822462490
(2013-Jan-03.95282246)
9.8224e-05 JED
period 1894.153076025792
5.19
2.7782e-05
7.606e-08
d
yr
n .1900585568064712 2.7877e-09 deg/d
Q 3.628544892016593 3.5481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      739  
   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      .56454  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:20:26  

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 13.2 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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