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117610 Keithmahoney (2005 ES91)
Classification: Main-belt Asteroid          SPK-ID: 2117610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141661431262828 4.0501e-08  
a 3.147639807913011 2.2279e-08 au
q 2.788285911092829 1.2557e-07 au
i 1.062370957466394 4.4691e-06 deg
node 209.6398473071568 0.00024232 deg
peri 100.34871231635 0.0002431 deg
M 193.6320262718097 2.0834e-05 deg
tp 2460339.134209826850
(2024-Jan-29.63420983)
0.00012083 TDB
period 2039.745438578752
5.58
2.1656e-05
5.929e-08
d
yr
n .1764926118677043 1.8739e-09 deg/d
Q 3.506993704733194 2.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      10770 days (29.49 yr)  
   first obs. used      1991-11-05  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:40:23  

Additional Information
 Earth MOID = 1.77346 au 
 Jupiter MOID = 1.7315 au 
 T_jup = 3.198 
[ 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 15.14   n/a MPCxxxxx  

117610 Keithmahoney           Discovered 2005 Mar. 8 by Mt. Lemmon Survey at Mount Lemmon.
Keith Mahoney (b. 1970) was the flight system Guidance, Navigation, and Control LIDAR engineer at Lockheed Martin for the OSIRIS-REx Mission.
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 2018-03-31Last Updated: 2018-04-05

[ show close-approach data ]
Alternate Designations
 2005 ES91 = 2000 GK179 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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