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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 ]

[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1932-Jul-01 16:41 00:03 Jupiter 1.91379169570967 1.91379060308601 1.91379278833441 2.50008370195878 2.31629902700354 2426890.194967120 2.80538670025534 118.990454090561 17.5069681535318 -77.8102548061162 2217974.20132603 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
1942-Dec-04 03:35 00:02 Jupiter 1.73716900084384 1.73716849876173 1.73716950292574 2.15651567696229 1.91712914137783 2430697.649549914 2.45561536916864 60.6095411831622 19.9413728030261 -86.1897575012316 2812051.41504317 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
1953-Apr-30 22:13 00:02 Jupiter 1.80344213786638 1.8034415849557 1.80344269077727 2.84027839155539 2.66980177378464 2434498.425374872 2.0723491497788 76.9018880955512 12.3322045620962 -85.7557879421667 2504458.46206699 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2026-Dec-23 09:20 < 00:01 Jupiter 1.83723715205327 1.83723672044094 1.8372375836655 2.2713035221516 2.05833877755976 2461397.888589794 0.531324882513999 55.8460566332757 5.32099027477414 86.6990140565291 2739572.99688399 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2037-May-24 07:41 < 00:01 Jupiter 1.74222120478942 1.74222079470443 1.74222161487421 2.29771896219411 2.07537095132121 2465202.820275086 0.92606542893582 54.9417893580848 6.46202831588013 88.3873689005002 2537350.39914788 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2047-Oct-18 23:02 00:01 Jupiter 1.88855845338142 1.8885577580459 1.88855914871714 3.34284038856842 3.20586611932291 2469002.459835903 1.28480655870524 64.3817865536581 18.500828800122 -74.1758980142304 2513484.57571921 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2111-Jan-04 21:58 00:03 Jupiter 1.98503335508355 1.98503213581537 1.9850345743542 2.71648488478286 2.55458045084428 2492090.415053951 3.31517962794348 151.868625671484 17.5422138477138 -77.8320524933891 2340624.87571798 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2121-Jun-12 20:19 00:04 Jupiter 1.77985012138737 1.77984945314545 1.77985078963 2.15667547816171 1.9233975886432 2495902.346681940 3.79872329618601 109.943829232755 15.7953229564637 -80.5092860602318 2674097.45196516 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2131-Nov-11 16:57 00:04 Jupiter 1.77752554054532 1.77752466669317 1.77752641439778 2.57787449704235 2.38587538908692 2499706.205941439 4.24726158459174 90.8052502845316 9.02496681183766 -88.1150074648566 1661496.76112335 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49
2142-Apr-13 19:00 00:04 Jupiter 1.97854425711974 1.97854262171416 1.97854589253185 3.89072976714302 3.77909649491603 2503512.291547586 4.4774041414497 208.159056164119 20.1058899290699 -72.3389203456582 2832077.76149161 T 19 CATAB v2.0f-lin.ifort 2019-Dec-14 09:49:05 2019-Dec-14 09:49

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