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129173 Mattgoman (2005 JG139)
Classification: Main-belt Asteroid          SPK-ID: 2129173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445206275454164 4.9547e-08  
a 3.100648684517792 3.2822e-08 au
q 2.652540990833411 1.5529e-07 au
i 17.29593659496344 5.8192e-06 deg
node 189.4767167082298 1.7489e-05 deg
peri 354.9853268292638 2.5239e-05 deg
M 317.5692751426333 2.0772e-05 deg
tp 2459235.547274564106
(2021-Jan-21.04727456)
0.00011707 TDB
period 1994.239295404993
5.46
3.1665e-05
8.669e-08
d
yr
n .1805199610846555 2.8663e-09 deg/d
Q 3.548756378202174 3.7565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:03:04  

Additional Information
 Earth MOID = 1.65461 au 
 Jupiter MOID = 1.41134 au 
 T_jup = 3.137 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO417674  
diameter diameter 2.470 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129173 Mattgoman           Discovered 2005 May 13 by the Catalina Sky Survey.
Matt Goman (b. 1979) is the Lockheed Martin Operations Ground System Development Lead for the OSIRIS-REx Asteroid Sample Return Mission telemetry systems and tools. He was also Ground System Development Lead and tools engineer for the MAVEN and InSight missions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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