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5347 Orestelesca (1985 DX2)
Classification: Main-belt Asteroid          SPK-ID: 2005347
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03926397421282633 3.3771e-08  
a 3.010051879135512 1.5846e-08 au
q 2.891865279773866 1.0362e-07 au
i 11.09048288522254 3.7083e-06 deg
node 167.4765273143414 1.6565e-05 deg
peri 9.107314378986306 4.6702e-05 deg
M 253.602554798237 4.5163e-05 deg
tp 2459564.252002127515
(2021-Dec-15.75200213)
0.00024106 TDB
period 1907.477387084314
5.22
1.5062e-05
4.124e-08
d
yr
n .1887309398463067 1.4903e-09 deg/d
Q 3.128238478497158 1.6468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2308  
   data-arc span      25256 days (69.15 yr)  
   first obs. used      1951-09-08  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:44:13  

Additional Information
 Earth MOID = 1.89712 au 
 Jupiter MOID = 1.83395 au 
 T_jup = 3.220 
[ 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 12.5   n/a MPO502204  
diameter diameter 11.499 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.232   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5347 Orestelesca           Discovered 1985 Feb. 24 by E. F. Helin at Palomar.
Amateur astronomer Oreste Lesca (b. 1947) is a photographer and a lover of nature who has always captured elusive details with his camera, particularly his astronomical images. Name suggested by S. Foglia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13

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Alternate Designations
 1985 DX2 = 1990 DQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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