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30844 Hukeller (1991 KE)
Classification: Main-belt Asteroid          SPK-ID: 2030844
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2564826080966532 7.634e-08  
a 2.672044381206659 2.5407e-08 au
q 1.986711469364767 2.018e-07 au
i 27.38986656148019 8.7108e-06 deg
node 122.6364633128478 1.6703e-05 deg
peri 109.2597092864728 2.3351e-05 deg
M 282.8983449373175 2.1217e-05 deg
tp 2457942.184381644409
(2017-Jul-07.68438164)
9.7644e-05 JED
period 1595.379208033667
4.37
2.2754e-05
6.23e-08
d
yr
n .2256516809214948 3.2184e-09 deg/d
Q 3.35737729304855 3.1923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      9053 days (24.79 yr)  
   first obs. used      1991-05-17  
   last obs. used      2016-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54458  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 17:05:06  

Additional Information
 Earth MOID = 1.11595 au 
 Jupiter MOID = 2.2419 au 
 T_jup = 3.177 
[ 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 13.9 mag n/a MPO319464  

30844 Hukeller           Discovered 1991 May 17 by C. S. and E. M. Shoemaker at Palomar.
Hans-Ulrich Keller (b. 1943) is a professor of astronomy at the University of Stuttgart. Since 1976 he has directed Stuttgart's Zeiss Planetarium and the Weizheim Observatory. He is also editor of the astronomical almanac Himmelsjahr. The name was suggested by G. and D. Heinlein.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

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Alternate Designations
 1991 KE = 1999 AB1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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