Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06385407572191859 5.1568e-08  
a 5.27019341190505 7.8553e-08 au
q 4.933670082712108 3.0527e-07 au
i 13.70906288632474 3.6999e-06 deg
node 128.0820888512087 1.9506e-05 deg
peri 126.3874799055251 3.876e-05 deg
M 347.760402334087 3.1298e-05 deg
tp 2459150.745993176472
(2020-Oct-28.24599318)
0.00038292 TDB
period 4419.145058514907
12.10
9.8803e-05
2.705e-07
d
yr
n .08146372097615218 1.8214e-09 deg/d
Q 5.606716741097992 8.3569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2375  
   data-arc span      10884 days (29.80 yr)  
   first obs. used      1990-12-11  
   last obs. used      2020-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:58:48  

Additional Information
 Earth MOID = 3.93935 au 
 Jupiter MOID = .00981117 au 
 T_jup = 2.939 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.58   n/a E2021B10  
diameter diameter 41.561 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.065   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-24 21:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin