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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115418108968285 5.8212e-08  
a 2.99498496568807 2.8164e-08 au
q 2.36142042243764 1.6492e-07 au
i 12.26606291926945 5.8399e-06 deg
node 137.1934802259168 2.7703e-05 deg
peri 71.48165337822597 3.158e-05 deg
M 209.8351006803385 1.6671e-05 deg
tp 2458190.189430558728
(2018-Mar-12.68943056)
9.4515e-05 JED
period 1893.173413288596
5.18
2.6704e-05
7.311e-08
d
yr
n .1901569066378609 2.6823e-09 deg/d
Q 3.6285495089385 3.4122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      11773 days (32.23 yr)  
   first obs. used      1983-09-12  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54292  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:20:25  

Additional Information
 Earth MOID = 1.39194 au 
 Jupiter MOID = 1.51019 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 13.3 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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