Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
54598 Bienor (2000 QC243)
Classification: Centaur          SPK-ID: 2054598
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020195948912996 3.344e-06  
a 16.52394275700198 4.4406e-05 AU
q 13.18578253522542 9.0175e-05 AU
i 20.75166508807913 3.5847e-05 deg
node 337.8838547938938 5.4859e-05 deg
peri 152.4300680779795 0.00029233 deg
M 287.1162452876537 0.00026114 deg
tp 2461767.534615911502
(2027-Dec-28.03461591)
0.033765 JED
period 24534.03325316382
67.17
0.098898
0.0002708
d
yr
n .01467349441835356 5.915e-08 deg/d
Q 19.86210297877854 5.3377e-05 AU
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      14078 days (38.54 yr)  
   first obs. used      1975-06-08  
   last obs. used      2013-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .50582  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-22 12:25:30  

Additional Information
 Earth MOID = 12.214 AU 
 T_jup = 3.579 
[ 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 7.5 mag n/a MPO240621  
rotation period rot_per 9.14 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Ortiz, J.L.; Baumont, S.; Gutierrez, P.J.; Roos-Serote, M. (2002) Astron. Astrophys. 388, 661-666.]
[Ortiz, J.L.; Gutierrez, P.J.; Casanova, V.; Sota, A. (2003) Astron. Astrophys. 407, 1149-1155.]
[Rabinowitz, D.L.; Schaefer, B.E.; Tourtellotte, S.W. (2007) Astron. J. 133, 26-43.]

54598 Bienor           Discovered 2000 Aug. 27 by the Deep Ecliptic Survey.
Bienor, one of the centaurs who tried to kidnap the bride Hippodame and other women at the wedding of Pirithous, was overcome by the hero Theseus, who jumped on his back, smashed his face and pounded his temples. The name was suggested by E. K. Elliot.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040107/MPCPages.arcLast Updated: 2004-01-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 14:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin