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

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03914623193015947 8.3474e-08  
a 3.008964605797433 3.0684e-08 AU
q 2.891174979469246 2.4686e-07 AU
i 11.09707099831786 8.9707e-06 deg
node 167.5258226109552 2.8818e-05 deg
peri 13.22978890079868 8.6937e-05 deg
M 194.1792833992953 8.1708e-05 deg
tp 2457678.633069570409
(2016-Oct-17.13306957)
0.00043482 JED
period 1906.44396867842
5.22
2.9161e-05
7.984e-08
d
yr
n .1888332444669529 2.8884e-09 deg/d
Q 3.12675423212562 3.1885e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      22733 days (62.24 yr)  
   first obs. used      1951-09-08  
   last obs. used      2013-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:11:18  

Additional Information
 Earth MOID = 1.89657 AU 
 T_jup = 3.221 
[ 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 12.4 mag n/a MPO279570  

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: 2013-11-20

[ show close-approach data ]
Alternate Designations
 1985 DX2 = 1990 DQ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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