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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691457360342881 9.0312e-08  
a 4.01611172094589 5.4542e-08 AU
q 2.935192375815977 3.7117e-07 AU
i 1.861087697262677 1.0089e-05 deg
node 341.1982507772424 0.00020532 deg
peri 350.7911602799442 0.00020593 deg
M 64.48835807768386 1.3664e-05 deg
tp 2456473.893853191993
(2013-Jun-30.39385319)
0.00010745 JED
period 2939.727704379031
8.05
5.9886e-05
1.64e-07
d
yr
n .1224603215677909 2.4947e-09 deg/d
Q 5.097031066075803 6.9222e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      15015 days (41.11 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55569  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:10:04  

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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