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23818 Matthewlepow (1998 QZ50)
Classification: Main-belt Asteroid          SPK-ID: 2023818
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727852162737756 7.2053e-08  
a 2.772225495986434 2.3658e-08 AU
q 2.293225914102743 1.9678e-07 AU
i 5.731349900587244 7.3076e-06 deg
node 146.1629548671139 5.8515e-05 deg
peri 218.0147432308668 6.1028e-05 deg
M 133.0288495013477 1.7291e-05 deg
tp 2456177.504956747244
(2012-Sep-07.00495675)
7.9247e-05 JED
period 1685.936670216184
4.62
2.1582e-05
5.909e-08
d
yr
n .2135311523616352 2.7334e-09 deg/d
Q 3.251225077870124 2.7746e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      11347 days (31.07 yr)  
   first obs. used      1983-05-07  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:14:25  

Additional Information
 Earth MOID = 1.29255 AU 
 T_jup = 3.308 
[ 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 14.3 mag n/a MPO253525  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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