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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06478457652626568 2.9898e-08  
a 5.275800493466726 7.3402e-08 au
q 4.93400999266042 1.9317e-07 au
i 13.70935623879157 2.084e-06 deg
node 128.0791025624714 5.4044e-06 deg
peri 127.1203058609602 1.8584e-05 deg
M 19.34732061350526 1.7966e-05 deg
tp 2459158.624726319142
(2020-Nov-05.12472632)
0.0002226 TDB
period 4426.199381082877
12.12
9.2372e-05
2.529e-07
d
yr
n .08133388693211677 1.6974e-09 deg/d
Q 5.617590994273032 7.8157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2459  
   data-arc span      11143 days (30.51 yr)  
   first obs. used      1990-12-11  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:44:01  

Additional Information
 Earth MOID = 3.93921 au 
 Jupiter MOID = .0106185 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 MPO614063  
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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