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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2692955932443304 1.1138e-07  
a 4.016464454513196 4.8863e-08 AU
q 2.934848276490299 4.5543e-07 AU
i 1.86108682026582 1.1858e-05 deg
node 341.1995737218456 0.00022128 deg
peri 350.7854102474017 0.00022184 deg
M 39.98605146652236 1.4297e-05 deg
tp 2456473.934472408879
(2013-Jun-30.43447241)
0.00011488 JED
period 2940.115005634693
8.05
5.3653e-05
1.469e-07
d
yr
n .1224441898735473 2.2344e-09 deg/d
Q 5.098080632536093 6.2022e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      441  
   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      .57533  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 20:11:41  

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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