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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0862460775258143 1.0694e-07  
a 5.167665139888701 1.6343e-07 AU
q 4.721974291606412 5.2029e-07 AU
i 10.58420252416291 9.9967e-06 deg
node 187.3580214125988 4.4501e-05 deg
peri 206.8616110629354 7.1213e-05 deg
M 158.2934353629724 5.5802e-05 deg
tp 2455113.810742828144
(2009-Oct-09.31074283)
0.00066481 JED
period 4290.816805033134
11.75
0.00020355
5.573e-07
d
yr
n .08390010954970613 3.9801e-09 deg/d
Q 5.61335598817099 1.7753e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      614  
   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      .56141  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:17:55  

Additional Information
 Earth MOID = 3.73144 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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