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17428 Charleroi (1989 DL)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017428
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114843594661132 8.837e-08  
a 3.938950716262705 8.416e-08 AU
q 3.486587456814055 3.7879e-07 AU
i 8.422027396551902 8.8758e-06 deg
node 256.0391764380619 5.4725e-05 deg
peri 326.2820154379745 6.6138e-05 deg
M 24.89368155040814 3.7133e-05 deg
tp 2456603.050573711797
(2013-Nov-06.55057371)
0.00029362 JED
period 2855.415070680359
7.82
9.1514e-05
2.506e-07
d
yr
n .12607624148815 4.0406e-09 deg/d
Q 4.391313975711355 9.3826e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      10149 days (27.79 yr)  
   first obs. used      1985-09-19  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 18:39:29  

Additional Information
 Earth MOID = 2.48217 AU 
 T_jup = 3.031 
[ 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 11.2 mag n/a PDS3 (MPO 4048)  

17428 Charleroi           Discovered 1989 Feb. 28 by H. Debehogne at the European Southern Observatory.
Charleroi, built in 1666 on both sides of the Sambre river, is the largest city in Wallonia. Traces of metallurgy and commercial activity from prehistoric times have been found there, and the Romans built several temples and villas in the vicinity. The area is also known for its coal-mining industry, now terminated.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1989 DL = 1985 SO2 = 1988 AQ = 2000 PT4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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