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JPL Small-Body Database Browser
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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06385406993606083 5.4042e-08  
a 5.270193420870388 8.2696e-08 au
q 4.933670121597563 3.2427e-07 au
i 13.70906025242614 4.3716e-06 deg
node 128.0820832931656 2.0163e-05 deg
peri 126.3874893294409 4.1649e-05 deg
M 347.7603973083778 3.5933e-05 deg
tp 2459150.746055252462
(2020-Oct-28.24605525)
0.00044053 TDB
period 4419.145069791283
12.10
0.00010401
2.848e-07
d
yr
n .08146372076828037 1.9174e-09 deg/d
Q 5.606716720143213 8.7976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2092  
   data-arc span      10730 days (29.38 yr)  
   first obs. used      1990-12-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45658  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:34:04  

Additional Information
 Earth MOID = 3.93935 au 
 Jupiter MOID = .0098112 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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