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117657 Jamieelsila (2005 EP187)
Classification: Main-belt Asteroid          SPK-ID: 2117657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910437187565019 6.9246e-08  
a 2.301336013148325 1.247e-08 au
q 1.861680223088207 1.6055e-07 au
i 1.151327208418889 4.7411e-06 deg
node 226.3813415304082 0.00027928 deg
peri 145.3477133578011 0.00027955 deg
M 311.6514894817369 1.6876e-05 deg
tp 2459171.757293349207
(2020-Nov-18.25729335)
6.0778e-05 TDB
period 1275.171146842799
3.49
1.0365e-05
2.838e-08
d
yr
n .2823150452324188 2.2947e-09 deg/d
Q 2.740991803208443 1.4853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      9785 days (26.79 yr)  
   first obs. used      1992-07-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:58  

Additional Information
 Earth MOID = .861885 au 
 Jupiter MOID = 2.7252 au 
 T_jup = 3.566 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO432680  

117657 Jamieelsila           Discovered 2005 Mar. 10 by Mt. Lemmon Survey at Mount Lemmon.
Jamie Elsila (b. 1974) is an astrobiologist at the Goddard Space Flight Center for the OSIRIS-REx Mission. Her research emphasis is in organic chemistry in meteorites and in spacecraft-returned samples from asteroids and comets.
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 2017-10-05Last Updated: 2017-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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