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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2560715763650698 8.7193e-08  
a 2.672566749403336 2.6817e-08 AU
q 1.988198368942754 2.3074e-07 AU
i 27.39027294307526 1.1807e-05 deg
node 122.6397613904053 1.9199e-05 deg
peri 109.3505264743131 2.9838e-05 deg
M 102.239705758757 2.1641e-05 deg
tp 2456347.280738994695
(2013-Feb-23.78073899)
9.2748e-05 JED
period 1595.847061090892
4.37
2.4019e-05
6.576e-08
d
yr
n .2255855268197884 3.3953e-09 deg/d
Q 3.35693512986392 3.3684e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      8068 days (22.09 yr)  
   first obs. used      1991-05-17  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 02:41:44  

Additional Information
 Earth MOID = 1.11694 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 13.8 mag n/a MPO263605  

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

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