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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040758405704514 7.636e-08  
a 2.992993607530908 4.0333e-08 AU
q 2.681495282005141 2.338e-07 AU
i 9.375533752091549 9.4335e-06 deg
node 246.5006125029997 5.0671e-05 deg
peri 113.4957221547441 6.8159e-05 deg
M 3.363260568521576 4.7279e-05 deg
tp 2456782.830871646954
(2014-May-05.33087165)
0.00024827 JED
period 1891.285577641907
5.18
3.823e-05
1.047e-07
d
yr
n .1903467166755722 3.8476e-09 deg/d
Q 3.304491933056675 4.453e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      12752 days (34.91 yr)  
   first obs. used      1978-11-29  
   last obs. used      2013-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59508  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 08:15:34  

Additional Information
 Earth MOID = 1.69518 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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