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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691458241337932 7.5562e-08  
a 4.016111683153465 5.0221e-08 AU
q 2.93519199437777 3.0313e-07 AU
i 1.861090855568435 8.1056e-06 deg
node 341.1982669831003 0.00020372 deg
peri 350.7911532331246 0.00020432 deg
M 64.48835531472608 1.3578e-05 deg
tp 2456473.893883187264
(2013-Jun-30.39388319)
0.00010615 JED
period 2939.727662883881
8.05
5.5142e-05
1.51e-07
d
yr
n .1224603232963556 2.297e-09 deg/d
Q 5.09703137192916 6.3738e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      15099 days (41.34 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 17:18:42  

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

[ show close-approach data ]
Alternate Designations
 1064 T-2 = 1999 XY138 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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