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11836 Eileen (1986 CB)
Classification: Mars-crossing Asteroid          SPK-ID: 2011836
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .352380503921723 5.9314e-08  
a 2.345802534941894 1.6381e-08 AU
q 1.519187455578214 1.4021e-07 AU
i 22.46690987708531 7.9191e-06 deg
node 131.7721186998534 2.0009e-05 deg
peri 289.8214149682797 2.342e-05 deg
M 54.83602379062469 1.888e-05 deg
tp 2456800.606321915402
(2014-May-23.10632192)
6.7303e-05 JED
period 1312.307478478384
3.59
1.3746e-05
3.763e-08
d
yr
n .274325953257097 2.8735e-09 deg/d
Q 3.172417614305573 2.2153e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      10021 days (27.44 yr)  
   first obs. used      1986-02-05  
   last obs. used      2013-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56677  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:12:23  

Additional Information
 Earth MOID = .665808 AU 
 T_jup = 3.380 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO267754  
rotation period rot_per 8.810 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/astero id/lightcurves.htm]

11836 Eileen           Discovered 1986 Feb. 5 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
Eileen Collins (b. 1956), astronaut, became in Feb. 1995 the first woman to pilot a shuttle mission. In July 1999 she became NASA's first female shuttle commander. Her five-day mission launched the Chandra X-ray Telescope into orbit.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1986 CB = 1988 PJ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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