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55576 Amycus (2002 GB10)
Classification: Centaur          SPK-ID: 2055576
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3941685843983908 2.9053e-05  
a 25.03297385544693 0.0013514 AU
q 15.16576198756349 9.4133e-05 AU
i 13.35512129177882 6.4872e-05 deg
node 315.4419870524408 0.00039421 deg
peri 238.9636494379943 0.0012157 deg
M 34.13646538884533 0.002372 deg
tp 2452662.563948523501
(2003-Jan-23.06394852)
0.059627 JED
period 45747.47153060075
125.25
3.7045
0.01014
d
yr
n .007869287371635258 6.3723e-07 deg/d
Q 34.90018572333037 0.0018841 AU
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1987-11-24  
   last obs. used      2007-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .65794  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 09:08:34  

Additional Information
 Earth MOID = 14.1878 AU 
 T_jup = 4.130 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.8 mag n/a MPO130071  
rotation period rot_per 9.76 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

55576 Amycus           Discovered 2002 Apr. 8 by the NEAT at Palomar.
Amycus was the first centaur to engage in battle with the Lapiths after Eurytus was killed for raping Peirithous' bride Hippodamia. He began the battle by smashing the face of the Celadon with a candelabrum stripped from the inmost wedding shrine. Pelates of Pella killed Amycus by stabbing him with a table leg from a maple tree.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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