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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06385407507732026 5.1675e-08  
a 5.270193412790629 7.8686e-08 au
q 4.933670086938298 3.0605e-07 au
i 13.70906293717088 3.7225e-06 deg
node 128.0820891144227 1.9557e-05 deg
peri 126.3874799772841 3.8853e-05 deg
M 347.7604019114864 3.1428e-05 deg
tp 2459150.745998401935
(2020-Oct-28.24599840)
0.00038453 TDB
period 4419.145059628765
12.10
9.8969e-05
2.71e-07
d
yr
n .081463720955619 1.8244e-09 deg/d
Q 5.606716738642961 8.371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      10826 days (29.64 yr)  
   first obs. used      1990-12-11  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:25:48  

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 10.5   n/a MPO449025  
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 ]
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