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10989 Dolios (1973 SL1)
Classification: Jupiter Trojan          SPK-ID: 2010989
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08648570920438332 1.0693e-07  
a 5.167025864348086 1.6397e-07 AU
q 4.72015196799255 5.2018e-07 AU
i 10.58503477113756 9.9975e-06 deg
node 187.3581623103422 4.4523e-05 deg
peri 206.9609462129965 7.112e-05 deg
M 141.3827300936152 5.5587e-05 deg
tp 2455115.681033173296
(2009-Oct-11.18103317)
0.00066292 JED
period 4290.020624555787
11.75
0.00020421
5.591e-07
d
yr
n .08391568048400148 3.9946e-09 deg/d
Q 5.613899760703623 1.7816e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      14833 days (40.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56294  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:58:23  

Additional Information
 Earth MOID = 3.7286 AU 
 T_jup = 2.959 
[ 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 11.2 mag n/a MPO259421  

10989 Dolios           Discovered 1973 Sept. 19 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Dolios was the faithful servant of Laërtes at Ithaca.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000124/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1973 SL1 = 1996 RK27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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