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53252 Sardegna (1999 EY4)
Classification: Main-belt Asteroid          SPK-ID: 2053252
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039701462379473 7.7256e-08  
a 2.766443659433999 3.7496e-08 AU
q 2.202171741660204 2.2596e-07 AU
i 9.91771743806181 8.8028e-06 deg
node 128.6726410539041 5.1793e-05 deg
peri 140.1037661885002 5.711e-05 deg
M 309.7738886281224 2.4691e-05 deg
tp 2456634.981307065256
(2013-Dec-08.48130707)		 0.00011709 JED
period 1680.665061216671
4.60		 3.417e-05
9.355e-08		 d
yr
n .214200918616936 4.3549e-09 deg/d
Q 3.330715577207794 4.5144e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      5152 days (14.11 yr)  
   first obs. used      1999-03-13  
   last obs. used      2013-04-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .61695  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 16:26:43  

Additional Information
 Earth MOID = 1.19654 AU 
 T_jup = 3.287 
[ 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 14.387 mag .4721 1 autocmod 2.5c

53252 Sardegna           Discovered 1999 Mar. 13 by S. Sposetti at Gnosca.
The beautiful island of Sardegna (Sardinia), located in the Mediterranean Sea, was dominated by various civilizations throughout its history. Since 1948 it has been an autonomous Italian region.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 EY4 = 2000 OD19 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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