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12150 De Ruyter (1051 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2012150
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05187574880529223 9.8179e-08  
a 2.99480887041875 3.6216e-08 AU
q 2.839450917737046 3.0393e-07 AU
i 10.52417833293518 9.6226e-06 deg
node 357.0793841822697 3.5941e-05 deg
peri 149.6214743049007 9.0666e-05 deg
M 149.9048046173733 7.6473e-05 deg
tp 2456012.247884431737
(2012-Mar-25.74788443)
0.00040603 JED
period 1893.006447184196
5.18
3.4338e-05
9.401e-08
d
yr
n .1901736787719302 3.4496e-09 deg/d
Q 3.150166823100454 3.8095e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      18115 days (49.60 yr)  
   first obs. used      1963-10-15  
   last obs. used      2013-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:17:38  

Additional Information
 Earth MOID = 1.85461 AU 
 T_jup = 3.227 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO263458  

12150 De Ruyter           Discovered 1971 Mar. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Michiel Adriaenszoon de Ruyter (1607-1676), in Dutch history a famous admiral, played a decisive role in the Anglo-Dutch Wars of the seventeenth century. De Ruyter was of humble origin but much loved by his sailors and soldiers. The name was suggested by C. E. Koppeschaar.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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Alternate Designations
 1051 T-1 = 1963 TF1 = 1979 WF2 = 1984 WB5 = 1989 SY7 = 1997 EC48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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