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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1036159021525093 6.246e-08  
a 2.993785204925227 2.9513e-08 au
q 2.683581450066065 1.8075e-07 au
i 9.373478905032998 7.8146e-06 deg
node 246.4835109878406 3.6707e-05 deg
peri 113.7596686681424 5.1513e-05 deg
M 117.3650956433603 3.5387e-05 deg
tp 2456783.669500017386
(2014-May-06.16950002)
0.00018482 JED
period 1892.035947966303
5.18
2.7978e-05
7.66e-08
d
yr
n .1902712262877214 2.8135e-09 deg/d
Q 3.30398895978439 3.2571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      13532 days (37.05 yr)  
   first obs. used      1978-11-29  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54829  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:54:00  

Additional Information
 Earth MOID = 1.6968 au 
 Jupiter MOID = 2.1785 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 13.9 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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