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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030785037446705 5.8712e-08  
a 2.995951903069914 2.8688e-08 au
q 2.687133663610469 1.6653e-07 au
i 9.371778304980543 6.1626e-06 deg
node 246.4234399247373 3.5002e-05 deg
peri 114.1356339777484 4.6375e-05 deg
M 155.0682783389036 3.1769e-05 deg
tp 2456784.629657254712
(2014-May-07.12965725)
0.00016377 JED
period 1894.090309988414
5.19
2.7206e-05
7.449e-08
d
yr
n .1900648549340829 2.73e-09 deg/d
Q 3.304770142529359 3.1646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      13657 days (37.39 yr)  
   first obs. used      1978-11-29  
   last obs. used      2016-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54677  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:41:57  

Additional Information
 Earth MOID = 1.70104 au 
 Jupiter MOID = 2.17904 au 
 T_jup = 3.226 
[ 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 13.9 mag n/a MPO333038  

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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