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JPL Small-Body Database Browser
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11944 Shaftesbury (1993 OK9)
Classification: Main-belt Asteroid          SPK-ID: 2011944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01864148199011969 3.1954e-08  
a 2.887240731319103 1.3902e-08 au
q 2.833418285225078 9.0688e-08 au
i 2.977499393329621 3.5061e-06 deg
node 128.939960088767 6.857e-05 deg
peri 135.470512529176 0.0001191 deg
M 201.7646380313904 9.8008e-05 deg
tp 2459788.133110501122
0.00048799 TDB
period 1791.937758114104
n .200899835036054 1.4509e-09 deg/d
Q 2.941063177413128 1.4161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      23923 days (65.50 yr)  
   first obs. used      1954-08-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:12:19  

Additional Information
 Earth MOID = 1.81837 au 
 Jupiter MOID = 2.04868 au 
 T_jup = 3.290 
[ 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 13.3   n/a MPO358746  
diameter diameter 6.906 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
geometric albedo albedo 0.213   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

11944 Shaftesbury           Discovered 1993 July 20 by E. W. Elst at the European Southern Observatory.
Anthony Ashley Cooper Shaftesbury (1671-1713) was an English politician and philosopher. Educated by philosopher John Locke, he soon developed his own school of thought. His philosophy was also influenced by the "Cambridge Platonists", who stressed the existence of a natural moral sense.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-Oct-05 13:59 < 00:01 Hygie 0.0497318176387923 0.0497311204005684 0.0497325149596352 2.51260217864086 2.51260186943737 2443787.082945697 0.784355763648 260.360168982473 31.8790974179398 87.0399082733485 232020.365007586 T 38 CATAB v2.0f-lin.ifort 2020-Feb-22 20:12:37 2020-Feb-22 20:12

Alternate Designations
 1993 OK9 = 1989 TZ2 = 1993 ON13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Jun-04 00:00 UT
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