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 ]  
11554 Asios (1993 BZ12)
Classification: Jupiter Trojan          SPK-ID: 2011554
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06139561115061687 8.3031e-08  
a 5.261835251274413 1.6085e-07 AU
q 4.938781660248561 4.0706e-07 AU
i 13.71166144958645 7.3161e-06 deg
node 128.103792616935 3.791e-05 deg
peri 127.3297060482274 7.3521e-05 deg
M 183.2691958782945 6.3135e-05 deg
tp 2459164.783003246671
(2020-Nov-11.28300325)
0.00077797 JED
period 4408.636542117732
12.07
0.00020216
5.535e-07
d
yr
n .08165789957070731 3.7444e-09 deg/d
Q 5.584888842300265 1.7073e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1990-12-11  
   last obs. used      2014-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:07:44  

Additional Information
 Earth MOID = 3.94517 AU 
 T_jup = 2.939 
[ 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 10.4 mag n/a MPO250326  

11554 Asios           Discovered 1993 Jan. 22 by E. W. Elst at the European Southern Observatory.
Asios was a Trojan warrior and one of the leaders in the assault on the Greek wall. He challenged Idomeneos and was killed by him.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1993 BZ12 = 1994 EL6 = 1998 OD2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-01 21:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin