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55418 Bianciardi (2001 TJ17)
Classification: Main-belt Asteroid          SPK-ID: 2055418
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101039752585716 6.1879e-08  
a 2.936890326065325 2.0002e-08 au
q 2.61352702626709 1.8375e-07 au
i 11.78649228940732 5.4282e-06 deg
node 236.3847598842096 2.9121e-05 deg
peri 149.2024625121571 3.612e-05 deg
M 243.9096215917553 2.299e-05 deg
tp 2459593.321227123922
(2022-Jan-13.82122712)
0.00012042 TDB
period 1838.357706218445
5.03
1.8781e-05
5.142e-08
d
yr
n .1958269594553121 2.0006e-09 deg/d
Q 3.26025362586356 2.2205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      24636 days (67.45 yr)  
   first obs. used      1951-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53884  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:07:28  

Additional Information
 Earth MOID = 1.6266 au 
 Jupiter MOID = 2.18097 au 
 T_jup = 3.234 
[ 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 13.9   n/a MPO347894  

55418 Bianciardi           Discovered 2001 Oct. 13 by L. Tesi and M. Tombelli at San Marcello Pistoiese.
Giorgio Bianciardi (b. 1954) is a researcher at the University of Siena. His research areas are biomedicine and astrobiology. He is director of the Osservatorio Astronomico Provinciale di Montarrenti and long active in the popularization of astronomy and related fields.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

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