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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08736179378728817 5.9228e-08  
a 5.170340911867049 8.6007e-08 au
q 4.718650655314541 3.5084e-07 au
i 10.58086281638156 6.4269e-06 deg
node 187.313718878849 2.0468e-05 deg
peri 206.5766614914976 3.4405e-05 deg
M 343.3970363525758 2.6642e-05 deg
tp 2459398.543372178825
(2021-Jul-03.04337218)
0.00031712 TDB
period 4294.149857723621
11.76
0.00010715
2.934e-07
d
yr
n .08383498758258061 2.0919e-09 deg/d
Q 5.622031168419557 9.3521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      17282 days (47.32 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47693  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:58:02  

Additional Information
 Earth MOID = 3.72707 au 
 Jupiter MOID = .125239 au 
 T_jup = 2.959 
[ 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 11.38   n/a E2021B10  
diameter diameter 23.564 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 26.101 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Ryan, E.L.; Sharkey, B.N.L.; Woodward, C.E. (2017) Astron. J. 153, A116.]
[Szabo, Gy.M.; Pal, A.; Kiss, Cs.; Kiss, L.L.; et al. (2017) Astron. Astrophys. 599, A44.]
geometric albedo albedo 0.115   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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