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209540 Siurana (2004 UK1)
Classification: Main-belt Asteroid          SPK-ID: 2209540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516126780183558 4.1763e-08  
a 2.190043488252101 9.0951e-09 au
q 1.858005130021539 9.6e-08 au
i 5.017636858280769 4.7642e-06 deg
node 356.935953985046 3.6588e-05 deg
peri 48.20737560879471 4.0804e-05 deg
M 285.4276241865329 1.585e-05 deg
tp 2459245.718377123039
(2021-Jan-31.21837712)
5.2267e-05 TDB
period 1183.797817909292
3.24
7.3743e-06
2.019e-08
d
yr
n .3041059837699285 1.8944e-09 deg/d
Q 2.522081846482664 1.0474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:24:05  

Additional Information
 Earth MOID = .871096 au 
 Jupiter MOID = 2.86566 au 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO330379  

209540 Siurana           Discovered 2004 Oct. 23 by J. Manteca at Begues.
The village of Siurana, at the top of an escarpment in the Prades Mountains in the Montsant region of Catalonia, has a long history shared by ancient Romans, Greeks and Arabs. Its beautiful site at an altitude of 770 meters is visited by many tourists from around the world.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

Alternate Designations
 2004 UK1 = 2001 YQ151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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