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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08590613580413432 9.4879e-08  
a 5.169513346057768 1.3926e-07 au
q 4.725420430510044 4.8829e-07 au
i 10.58178738721465 9.3185e-06 deg
node 187.3498243083035 3.6336e-05 deg
peri 206.4047908444662 5.9211e-05 deg
M 209.1705519391572 5.2101e-05 deg
tp 2459399.190990125996
(2021-Jul-03.69099013)
0.00065296 JED
period 4293.118915240963
11.75
0.00017348
4.75e-07
d
yr
n .08385511957797562 3.3884e-09 deg/d
Q 5.613606261605492 1.5122e-07 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      15550 days (42.57 yr)  
   first obs. used      1973-09-19  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:10:28  

Additional Information
 Earth MOID = 3.73346 au 
 Jupiter MOID = .125558 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 11.3 mag n/a MPO337351  

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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