Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3524776727864462 5.3397e-08  
a 2.344982833629453 1.3548e-08 au
q 1.518428741707577 1.2395e-07 au
i 22.46639496312012 6.7291e-06 deg
node 131.7669546577127 1.7936e-05 deg
peri 289.7396516354798 2.0904e-05 deg
M 219.6142687102577 1.6828e-05 deg
tp 2458111.979693761954
(2017-Dec-24.47969376)
6.4651e-05 JED
period 1311.619692846645
3.59
1.1367e-05
3.112e-08
d
yr
n .2744698039861554 2.3787e-09 deg/d
Q 3.171536925551329 1.8324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      11031 days (30.20 yr)  
   first obs. used      1986-02-05  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56704  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:12:49  

Additional Information
 Earth MOID = .664258 au 
 Jupiter MOID = 2.47941 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 13.6 mag n/a MPO337358  
rotation period rot_per 8.810 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-02 03:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin