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10199 Chariklo (1997 CU26)
Classification: Centaur          SPK-ID: 2010199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692559369856425 1.4986e-06  
a 15.84295757794187 2.9371e-05 au
q 13.16144294846353 1.903e-06 au
i 23.34972313934312 9.4816e-06 deg
node 300.4355763370978 2.8836e-05 deg
peri 243.3855684496664 0.00015565 deg
M 93.11807826316719 0.00035956 deg
tp 2453042.721955295978
0.0069839 TDB
period 23033.12241938548
n .01562966555055564 4.3463e-08 deg/d
Q 18.52447220742021 3.4342e-05 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      11139 days (30.50 yr)  
   first obs. used      1988-11-05  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .50075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:47:32  

Additional Information
 Earth MOID = 12.2335 au 
 Jupiter MOID = 8.24239 au 
 T_jup = 3.486 
[ 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 6.7   n/a MPO452314  
diameter diameter 302 km 30 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  
rotation period rot_per 7.004 h n/a LCDB (Rev. 2019-August); 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:
[Fornasier, S.; Lazzaro, D.; Alvarez-Candal, A.; Snodgrass, C.; et al. (2014) Astron. Astrophys. 568, L11.]
[Leiva, R.; Sicardy, B.; Camargo, J.I.B.; Desmars, J.; et al. (2017) Astron. J. 154, A159.]
geometric albedo albedo 0.045   0.010 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  
SMASSII spectral type spec_B D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

10199 Chariklo           Discovered 1997 Feb. 15 by Spacewatch.
Chariklo, sometimes described as a sea nymph, sometimes as a female centaur, was the wife of Chiron. Together they are are said to have had as many as five children, and she is also sometimes said to have been the mother of Tiresias, the famous seer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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