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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2684204596531539 7.3578e-08  
a 4.016742257035419 4.9178e-08 au
q 2.938566454093725 2.9366e-07 au
i 1.860896041142056 7.0118e-06 deg
node 341.2044580019372 0.00018851 deg
peri 350.7860478003514 0.00018904 deg
M 138.0404748543476 1.3837e-05 deg
tp 2456473.008391027189
(2013-Jun-29.50839103)
0.00010031 JED
period 2940.420044617285
8.05
5.4001e-05
1.478e-07
d
yr
n .1224314875213199 2.2485e-09 deg/d
Q 5.094918059977112 6.2379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      15479 days (42.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2016-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54511  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 06:21:05  

Additional Information
 Earth MOID = 1.92745 au 
 Jupiter MOID = .282684 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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