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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691457501169238 9.7412e-08  
a 4.016111715042051 5.6719e-08 AU
q 2.935192314943693 4.034e-07 AU
i 1.861089126633079 1.0624e-05 deg
node 341.1982560507604 0.00020561 deg
peri 350.7911564744935 0.00020624 deg
M 64.48835761781163 1.3711e-05 deg
tp 2456473.893858108465
(2013-Jun-30.39385811)
0.00010816 JED
period 2939.727697896761
8.05
6.2276e-05
1.705e-07
d
yr
n .122460321837823 2.5942e-09 deg/d
Q 5.097031115140409 7.1985e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      14958 days (40.95 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56182  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 16:02:06  

Additional Information
 Earth MOID = 1.9254 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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