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117703 Ochoa (2005 EK300)
Classification: Main-belt Asteroid          SPK-ID: 2117703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03343011406902442 5.3119e-08  
a 2.844568231970457 2.3685e-08 au
q 2.749473991498562 1.5011e-07 au
i 1.278697691764929 6.8763e-06 deg
node 210.2570400224713 0.0002087 deg
peri 237.0034548194193 0.00023238 deg
M 177.9750417357635 0.00010214 deg
tp 2458334.177562046039
(2018-Aug-03.67756205)
0.00049391 TDB
period 1752.358502752667
4.80
2.1886e-05
5.992e-08
d
yr
n .2054374144528641 2.5658e-09 deg/d
Q 2.939662472442353 2.4477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      7920 days (21.68 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:53:52  

Additional Information
 Earth MOID = 1.76566 au 
 Jupiter MOID = 2.12209 au 
 T_jup = 3.307 
[ 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 16.75   n/a E2021B55  

117703 Ochoa           Discovered 2005 Mar. 11 by M. W. Buie at Kitt Peak.
Ellen Ochoa (b. 1958) is a former American Astronaut. In 1993, she was the first Hispanic woman to go to space. She flew four space shuttle missions, logged nearly 1000 hours in space, and became Director of the Johnson Space Center.
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 2021-01-27Last Updated: 2021-02-23

[ show close-approach data ]
Alternate Designations
 2005 EK300 = 2003 WF42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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