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20834 Allihewlett (2000 UM48)
Classification: Main-belt Asteroid          SPK-ID: 2020834
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB
Reference: MPO73876 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1702142 n/a  
a 2.2859538 n/a AU
q 1.8968520 n/a AU
i 5.77831 n/a deg
node 58.20920 n/a deg
peri 77.16058 n/a deg
M 171.07132 n/a deg
tp 2454600.6062807
(2008-May-14.10628070)
n/a JED
period 1262.4076260
3.46
n/a
n/a
d
yr
n 0.28516938 n/a deg/d
Q 2.6750556 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      267  
   first obs. used      1984-??-??  
   last obs. used      2005-02-05  
   # oppositions      7  
   planetary ephem.      DE403  
   quality code      1  
   fit RMS      0.57  
   data source      MPC:mpn  
   producer      MPC  

Additional Information
 T_jup = 3.576 

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a PDS3 (MPO 7957)  

20834 Allihewlett           Discovered 2000 Oct. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Allison Hewlett (b. 1986) was awarded first place and Best in Category in the 2004 Intel International Science and Engineering Fair for her gerontology project. She attends the Christian Academy of Louisville, Louisville, Kentucky, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 UM48 = 1984 AY = 1998 FV80 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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