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

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104600259297439 3.9953e-08  
a 3.123859359576331 2.567e-08 au
q 2.797102860555915 1.3361e-07 au
i .5315876299793658 4.251e-06 deg
node 279.7573786807854 0.00060343 deg
peri 155.5449627670869 0.0006041 deg
M 276.6414170981856 2.806e-05 deg
tp 2459067.464062686692
(2020-Aug-05.96406269)
0.00015869 TDB
period 2016.673709115442
5.52
2.4858e-05
6.806e-08
d
yr
n .1785117733090813 2.2004e-09 deg/d
Q 3.450615858596747 2.8355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      9370 days (25.65 yr)  
   first obs. used      1994-03-07  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:01:27  

Additional Information
 Earth MOID = 1.81206 au 
 Jupiter MOID = 1.78149 au 
 T_jup = 3.207 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO379340  
diameter diameter 5.750 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.96342 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.037   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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