Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142376861651609 4.0937e-08  
a 3.147068440095937 2.3812e-08 au
q 2.787554623295974 1.2801e-07 au
i 1.062447958063704 5.2531e-06 deg
node 209.674502176743 0.00024544 deg
peri 100.143937314179 0.00024647 deg
M 123.9394075697763 2.2508e-05 deg
tp 2458298.455528667534
(2018-Jun-28.95552867)
0.00012747 TDB
period 2039.190073886715
5.58
2.3144e-05
6.336e-08
d
yr
n .1765406788754306 2.0037e-09 deg/d
Q 3.506582256895898 2.6532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1991-11-05  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:48:55  

Additional Information
 Earth MOID = 1.77329 au 
 Jupiter MOID = 1.73282 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 15.1   n/a MPO453647  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 08:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin