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JPL Small-Body Database Browser
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11136 Shirleymarinus (1996 XW12)
Classification: Main-belt Asteroid          SPK-ID: 2011136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511218995779691 3.4258e-08  
a 2.373012487240751 8.3935e-09 au
q 2.014398332446687 8.0382e-08 au
i 7.531009464137949 3.5538e-06 deg
node 87.94665277315819 2.6618e-05 deg
peri 266.8968601614865 2.8936e-05 deg
M 99.68696479836861 1.2459e-05 deg
tp 2458230.770303281897
(2018-Apr-22.27030328)
4.5638e-05 TDB
period 1335.206574778724
3.66
7.084e-06
1.939e-08
d
yr
n .2696212007940875 1.4305e-09 deg/d
Q 2.731626642034814 9.6619e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1755  
   data-arc span      9210 days (25.22 yr)  
   first obs. used      1994-01-17  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:10:39  

Additional Information
 Earth MOID = 1.02558 au 
 Jupiter MOID = 2.71949 au 
 T_jup = 3.516 
[ 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 14.0   n/a MPO350891  
diameter diameter 3.808 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.403   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11136 Shirleymarinus           Discovered 1996 Dec. 8 by Spacewatch at Kitt Peak.
Shirley Marinus (b. 1921) served during a third of a century as secretary in the Lunar and Planetary Laboratory for the Polariscope program, the Imaging Photopolarimeters on Pioneers 10 and 11, the Space Science Series textbooks, and the Spacewatch survey of comets and minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1996 XW12 = 1994 BR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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