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23818 Matthewlepow (1998 QZ50)
Classification: Main-belt Asteroid          SPK-ID: 2023818
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO253525 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1714154 n/a  
a 2.7739134 n/a AU
q 2.2984219 n/a AU
i 5.72285 n/a deg
node 146.22862 n/a deg
peri 218.18061 n/a deg
M 47.56350 n/a deg
tp 2456177.5491733
(2012-Sep-07.04917330)
n/a JED
period 1687.4766917
4.62
n/a
n/a
d
yr
n 0.21333628 n/a deg/d
Q 3.2494049 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      603  
   first obs. used      1983-??-??  
   last obs. used      2013-02-06  
   # oppositions      15  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.56  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.307 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a PDS3 (MPO 11208)  

23818 Matthewlepow           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Matthew Brice Lepow (b. 1993) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his earth and space science project. He attends the Southfield School, Shreveport, Louisiana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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