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23831 Mattmooney (1998 QK86)
Classification: Main-belt Asteroid          SPK-ID: 2023831
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039250446316166 7.0899e-08  
a 2.992530032379546 3.6705e-08 AU
q 2.681531215203048 2.1667e-07 AU
i 9.37595873383885 8.664e-06 deg
node 246.4985202150075 4.6406e-05 deg
peri 113.4969457268725 6.2147e-05 deg
M 41.44471628876283 4.2181e-05 deg
tp 2456782.817822302794
(2014-May-05.31782230)
0.00022051 JED
period 1890.846191948527
5.18
3.4789e-05
9.525e-08
d
yr
n .1903909485250189 3.5029e-09 deg/d
Q 3.303528849556044 4.052e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      13089 days (35.84 yr)  
   first obs. used      1978-11-29  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:49:00  

Additional Information
 Earth MOID = 1.69668 AU 
 T_jup = 3.227 
[ 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 MPO275638  

23831 Mattmooney           Discovered 1998 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Matthew Michael Mooney (b. 1994) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the St. Luke's Episcopal School, San Antonio, Texas.
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 ]
Alternate Designations
 1998 QK86 = 1978 WZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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