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117539 Celletti (2005 DJ1)
Classification: Main-belt Asteroid          SPK-ID: 2117539
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018544998726881 5.635e-08  
a 3.130754497041565 3.8159e-08 au
q 2.811873063521227 1.7448e-07 au
i .5288213789641172 6.3031e-06 deg
node 280.3504071017332 0.00083587 deg
peri 155.3902179002567 0.00083729 deg
M 97.91577431578141 4.3769e-05 deg
tp 2457050.171368131395
(2015-Jan-27.67136813)
0.00024773 JED
period 2023.354345682444
5.54
3.6992e-05
1.013e-07
d
yr
n .1779223697362697 3.2529e-09 deg/d
Q 3.449635930561903 4.2045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1994-03-07  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 16:17:38  

Additional Information
 Earth MOID = 1.82538 au 
 Jupiter MOID = 1.78367 au 
 T_jup = 3.205 
[ 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 15.5 mag n/a MPO366549  

117539 Celletti           Discovered 2005 Feb. 17 by A. Boattini and H. Scholl at the European Southern Observatory.
Alessandra Celletti (b. 1962) is an associate professor at the University of Roma "Tor Vergata", where she teaches celestial mechanics and the theory of dynamical systems. Since 2001 she has been president of the Italian society of Celestial Mechanics and Astrodynamics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

[ show close-approach data ]
Alternate Designations
 2005 DJ1 = 2003 YP53 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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