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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515322018846185 2.6953e-08  
a 2.372312936977697 7.5833e-09 au
q 2.0128311340781 6.317e-08 au
i 7.531009837631382 6.7824e-07 deg
node 87.94449521166669 9.5775e-06 deg
peri 266.8346155513983 9.9506e-06 deg
M 261.5820718368317 5.7779e-06 deg
tp 2459565.361559598159
(2021-Dec-16.86155960)
2.2719e-05 TDB
period 1334.616201608819
3.65
6.3993e-06
1.752e-08
d
yr
n .2697404688823921 1.2934e-09 deg/d
Q 2.731794739877294 8.7324e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2093  
   data-arc span      9926 days (27.18 yr)  
   first obs. used      1994-01-17  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:52:40  

Additional Information
 Earth MOID = 1.0232 au 
 Jupiter MOID = 2.72289 au 
 T_jup = 3.517 
[ 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 14.04   n/a E2021B10  
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

Alternate Designations
 1996 XW12 = 1994 BR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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