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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685983869106821 8.4471e-07  
a 15.8386957320995 1.6459e-05 au
q 13.16831718089842 1.6872e-06 au
i 23.34983689009745 7.487e-06 deg
node 300.4355755481726 1.4267e-05 deg
peri 243.2754024120243 0.00011386 deg
M 96.44154956477568 0.00022715 deg
tp 2453032.572933307582
(2004-Jan-28.07293331)
0.0052251 TDB
period 23023.82898273411
63.04
0.035888
9.826e-05
d
yr
n .01563597437550327 2.4372e-08 deg/d
Q 18.50907428330059 1.9234e-05 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      11659 days (31.92 yr)  
   first obs. used      1988-11-05  
   last obs. used      2020-10-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .48262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:55:53  

Additional Information
 Earth MOID = 12.2399 au 
 Jupiter MOID = 8.2469 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 6.54   n/a E2021B10  
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. 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:
[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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