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117993 Zambujal (1064 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117993
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2692956251490749 9.8699e-08  
a 4.016464449605454 5.7624e-08 AU
q 2.934848144759918 4.0971e-07 AU
i 1.861093137893552 1.0738e-05 deg
node 341.1996839644056 0.00020563 deg
peri 350.7852808852176 0.00020625 deg
M 39.98606209887873 1.3512e-05 deg
tp 2456473.934386173121
(2013-Jun-30.43438617)
0.00010816 JED
period 2940.115000245877
8.05
6.3273e-05
1.732e-07
d
yr
n .1224441900979703 2.6351e-09 deg/d
Q 5.09808075445099 7.3142e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      14734 days (40.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 00:16:11  

Additional Information
 Earth MOID = 1.92325 AU 
 T_jup = 2.987 
[ 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 13.3 mag n/a MPO264146  

117993 Zambujal           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Zambujal is the site of a Chalcolithic fortification of the third millennium B.C. situated close to a former inlet of the Atlantic Ocean near Torres Vedras, Portugal. Excavation of the ruins lasted from 1964 to 1973.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 1064 T-2 = 1999 XY138 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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