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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088490956176012 5.4738e-08  
a 2.938275455682284 1.9427e-08 au
q 2.618446829655872 1.6449e-07 au
i 11.77178157605301 4.6756e-06 deg
node 236.2404724439162 2.4285e-05 deg
peri 148.9146077671729 3.124e-05 deg
M 321.7109954359311 2.1876e-05 deg
tp 2459592.163024682137
(2022-Jan-12.66302468)
0.00011289 TDB
period 1839.658400304041
5.04
1.8245e-05
4.995e-08
d
yr
n .1956885038768625 1.9407e-09 deg/d
Q 3.258104081708695 2.1541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      25424 days (69.61 yr)  
   first obs. used      1951-11-28  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:38:40  

Additional Information
 Earth MOID = 1.63084 au 
 Jupiter MOID = 2.18586 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112511439914927 5.4297e-08  
q 2.608412551236427 1.632e-07 au
tp 2457760.349766015826
(2017-Jan-06.84976602)
0.0001031 TDB
node 236.4007103555108 2.4239e-05 deg
peri 149.9894308160315 3.1042e-05 deg
i 11.79186720425767 4.6794e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      25424 days (69.61 yr)  
   first obs. used      1951-11-28  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:38:40  

Additional Information
 Jupiter MOID = 2.18586 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.948204370294546E-15 -8.817082250776557E-15 -1.866718238267526E-12 -2.218996907935365E-14 -2.697558918953229E-13 -4.043145013095252E-15
q -8.817082250776557E-15 2.663541573461809E-14 6.212993130757558E-12 6.307716207599943E-14 9.151943448417212E-13 1.322557845840395E-14
tp -1.866718238267526E-12 6.212993130757558E-12 1.062956573778112E-8 -3.690265741271058E-12 2.027669170274157E-9 8.756585945524933E-12
node -2.218996907935365E-14 6.307716207599943E-14 -3.690265741271058E-12 5.875171592127307E-10 -5.759016452921661E-10 -3.85186010611332E-11
peri -2.697558918953229E-13 9.151943448417212E-13 2.027669170274157E-9 -5.759016452921661E-10 9.636200797835814E-10 3.928726410617286E-11
i -4.043145013095252E-15 1.322557845840395E-14 8.756585945524933E-12 -3.85186010611332E-11 3.928726410617286E-11 2.189656292602458E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.89   n/a E2021B10  

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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