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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2686841240962154 7.4908e-08  
a 4.016422175499957 4.9678e-08 au
q 2.937273301275135 2.9981e-07 au
i 1.861052669097442 7.9114e-06 deg
node 341.2002646177808 0.00020224 deg
peri 350.8055142827426 0.00020284 deg
M 113.5061685880096 1.4073e-05 deg
tp 2456473.511332847797
(2013-Jun-30.01133285)
0.00010585 JED
period 2940.068582405184
8.05
5.4548e-05
1.493e-07
d
yr
n .1224461232484225 2.2718e-09 deg/d
Q 5.095571049724779 6.3026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      15431 days (42.25 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54681  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:12:32  

Additional Information
 Earth MOID = 1.92488 au 
 Jupiter MOID = .281461 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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