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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117099812862287 5.8149e-08  
a 2.994448208065826 2.8005e-08 au
q 2.360493633973629 1.6479e-07 au
i 12.26630278277823 5.5808e-06 deg
node 137.1889824420773 2.7703e-05 deg
peri 71.52020603061834 3.1279e-05 deg
M 247.838485976493 1.6765e-05 deg
tp 2458190.178098884561
(2018-Mar-12.67809888)
9.3487e-05 JED
period 1892.664497681006
5.18
2.6551e-05
7.269e-08
d
yr
n .1902080376321801 2.6683e-09 deg/d
Q 3.628402782158023 3.3933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      11812 days (32.34 yr)  
   first obs. used      1983-09-12  
   last obs. used      2016-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53821  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:49:27  

Additional Information
 Earth MOID = 1.39093 au 
 Jupiter MOID = 1.51073 au 
 T_jup = 3.187 
[ 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 13.4 mag n/a MPO365397  

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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