(10199) Chariklo and ring system

Asteroids with Satellites Database--Johnston's Archive

(10199) Chariklo and ring system

compiled by Wm. Robert Johnston
last updated 21 September 2014

--Orbital and physical data--

(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)

dynamical type, primary: Centaur
orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 15.754190 AU
orbital period P: 62.53200 yr
(= 22839.81 d)
eccentricity e: 0.1715941
perihelion distance q: 13.050864 AU
aphelion distance Q: 18.457515 AU
inclination i: 23.411663°
argument of perihelion ω: 241.60058°
ascending node Ω: 300.379814°
mean anomaly M: 60.13111°
perihelion passage T_P: 2003 Dec 12.04
Epoch: 2014 May 23
data arc: 1988-2011 (548 obs.)
Earth MOID: 12.1218 AU
Jupiter Tisserand invariant T_J: 3.476

Neptune Tisserand invariant T_N: 3.22 [*D]

orbital data, ring C1R:

semimajor axis a: 390.6 ± 3.3 km [B14e]
semimajor axis/primary radius a/Rp: (2.70)
orbital period P: 0.74 d [*E]
ring width : 6.16 ± 0.11 km [B14e]

orbital data, ring C2R:

semimajor axis a: 404.8 ± 3.3 km [B14e]
semimajor axis/primary radius a/Rp: (2.79)
separation/Hill radius a_s/r_H: 0.00188 [*D]
orbital period P: 0.78 d [*E]
ring width : 7.17 ± 0.14 km [B14e]
other data, system (combined):

absolute mag. H: 6.6 [MPC]
6.7 ± 0.2 [G04a]
slope parameter G: (0.15) [*A]
effective diameter d_E: 248 ± 18/18 km [F13a]
geometric albedo: 0.035 ± 0.01/0.01 [F13a]
color index U-B: ?
color index B-V: 0.84 [J01b]
color index V-R: 0.5 ± 0.03 [J01b]
color index B-R: 1.34 [J01b]
color index V-I: 1.02 ± 0.02 [M99b]
color index R-J: 0.99 [D09c]
color index V-J: 1.49 ± 0.07 [D09c]
color index J-H: 0.49 [D09c]
color index V-H: 1.98 ± 0.08 [D09c]
taxonomic type: D (SMASSII) [JPL] BR (G-mode) [P10a]
mass m: ?
density ρ: (1 g/cm³) [*A]
Hill radius r_H: 220000 km [*E]
other data, primary:

diameter d_p: 248 ± 18 km [F13a]
dimensions : 253.8 x 289.8km [B14e]
rotation period RP_p: 7.004 h [W14e]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?

-- (10199) Chariklo --discovery and notes:

Primary discovered 1997 Feb 15 from Kitt Peak Observatory, Arizona, USA by Spacewatch. Alternate designation(s): 1997 CU26 . Linked to prediscovery observations from 1988 Nov 05. Permanent number assigned 1999 Mar 02.

Named 1999 Sep 28 for the Greek mythological sea nymph [MPC36129].

Two rings identified from stellar occultation observations obtained 2013 Jun 03 by F. Braga-Ribas et al. Announced 2014 Mar 26 [B14e].

--Links, more technical:

A ring system detected around the Centaur (10199) Chariklo, F. Braga-Ribas et al., 2014, Nature.

--Links, less technical:

First ring system around asteroid, ESO.

--Links to ADS abstracts:

Braga-Ribas, F., Sicardy, B., Ortiz, J. L., Snodgrass, C., Roques, F., Vieira-Martins, R., Camargo, J. I. B., Assafin, M., Duffard, R., Jehin, E., Pollock, J., Leiva, R., Emilio, M., Machado, D. I., Colazo, C., Lellouch, E., Skottfelt, J., Gillon, M., Ligier, N., Maquet, L., Benedetti-Rossi, G., Gomes, A. Ramos, Kervella, P., Monteiro, H., Sfair, R., El Moutamid, M., Tancredi, G., Spagnotto, J., Maury, A., Morales, N., Gil-Hutton, R., Roland, S., Ceretta, A., Gu, S.-H., Wang, X.-B., Harpsøe, K., Rabus, M., Manfroid, J., Opitom, C., Vanzi, L., Mehret, L., Lorenzini, L., Schneiter, E. M., Melia, R., Lecacheux, J., Colas, F., Vachier, F., Widemann, T., Almenares, L., Sandness, R. G., Char, F., Perez, V., Lemos, P., Martinez, N., Jørgensen, U. G., Dominik, M., Roig, F., Reichart, D. E., Lacluyze, A. P., Haislip, J. B., Ivarsen, K. M., Moore, J. P., Frank, N. R., & Lambas, D. G. 2014, Nature A ring system detected around the Centaur (10199) Chariklo
Gallardo, Tabaré 2014, Icarus Atlas of three body mean motion resonances in the Solar System
Fornasier, S., Lellouch, E., Müller, T., Santos-Sanz, P., Panuzzo, P., Kiss, C., Lim, T., Mommert, M., Bockelée-Morvan, D., Vilenius, E., Stansberry, J., Tozzi, G. P., Mottola, S., Delsanti, A., Crovisier, J., Duffard, R., Henry, F., Lacerda, P., Barucci, A., & Gicquel, A. 2013, Astronomy and Astrophysics TNOs are Cool: A survey of the trans-Neptunian region. VIII. Combined Herschel PACS and SPIRE observations of nine bright targets at 70-500 μm
Tozzi, Gian-Paolo, Bagnulo, S., Barucci, M. A., Belskaya, I. N., Fornasier, S., & Mottola, S. 2012, AAS/Division for Planetary Sciences Meeting Abstracts Search For Coma In Centaurs (2060) Chiron, (5145) Pholus And (10199) Chariklo
Fornasier, Sonia, Lellouch, E., Mueller, T., Panuzzo, P., Kiss, C., Santos-Sanz, P., Lim, T., Vilenius, E., Stansberry, J., Mommert, M., Tozzi, G., Bockelee-Morvan, D., Duffard, R., Mottola, S., & TNOs are Cool Team 2012, AAS/Division for Planetary Sciences Meeting Abstracts Physical And Thermal Properties Of The Centaurs 2060 Chiron And 10199 Chariklo: Results From Far-infrared Observations With The Herschel Space Observatory
Fornasier, S., Lellouch, E., Mueller, T., Panuzzo, P., Santos-Sanz, P., Lim, T., Kiss, C., Vilenius, E., Stansberry, J., Delsanti, A., Henry, F., Boehnhardt, H., Pal, A., Duffard, R., & Barucci, A. 2012, EGU General Assembly Conference Abstracts 'TNOs are Cool: A survey of the trans-Neptunian region'. Results from the PACS and SPIRE observations with the Herschel Space Observatory
Fornasier, S., Lim, T., Müller, T., Panuzzo, P., Santos-Sanz, P., Vilenius, E., Boenhardt, H., Stansberry, J., Delsanti, A., Henry, F., Kiss, C., Pal, A., Duffard, R., Barucci, A., & Dotto, E. 2011, EPSC-DPS Joint Meeting 2011 Sub-millimeter observations of Centaurs and TNOs from the Herschel space telescope
Guilbert-Lepoutre, A. 2011, The Astronomical Journal A Thermal Evolution Model of Centaur 10199 Chariklo
Belskaya, I. N., Bagnulo, S., Barucci, M. A., Muinonen, K., Tozzi, G. P., Fornasier, S., & Kolokolova, L. 2010, Icarus Polarimetry of Centaurs (2060) Chiron, (5145) Pholus and (10199) Chariklo
Antonieta Barucci, Maria, Fornasier, S., Alvarez-Cantal, A., de Bergh, C., Merlin, F., DeMeo, F., & Dumas, C. 2009, AAS/Division for Planetary Sciences Meeting Abstracts #41 Surface Properties of TNOs: Preliminary Statistical Analysis
Guilbert, Aurélie, Barucci, A., Brunetto, R., Delsanti, A., Merlin, F., Alvarez-Candal, A., Fornasier, S., de Bergh, C., & Sarid, G. 2009, AAS/Division for Planetary Sciences Meeting Abstracts #41 A Portrait of Centaur 10199 Chariklo
Guilbert, A., Barucci, M. A., Brunetto, R., Delsanti, A., Merlin, F., Alvarez-Candal, A., Fornasier, S., de Bergh, C., & Sarid, G. 2009, Astronomy and Astrophysics A portrait of Centaur 10199 Chariklo
Guilbert, Aurélie, Alvarez-Candal, Alvaro, Merlin, Frédéric, Barucci, Maria Antonietta, Dumas, Christophe, de Bergh, Catherine, & Delsanti, Audrey 2009, Icarus ESO-Large Program on TNOs: Near-infrared spectroscopy with SINFONI
Belskaya, Irina, Bagnulo, S., Barucci, A., Muinonen, K., Tozzi, G. P., Fornasier, S., & Kolokolova, L. 2008, Bulletin of the American Astronomical Society Polarimetric Properties of Transneptunian Objects and Centaurs
Stansberry, J. A., Cruikshank, D. P., Grundy, W. G., Margot, J. L., Emery, J. P., Fernandez, Y. R., & Rieke, G. H. 2005, Bulletin of the American Astronomical Society Albedos, Diameters (and a Density) of Kuiper Belt and Centaur Objects
Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System 10199 Chariklo CCD Spectrum
Groussin, O., Lamy, P., & Jorda, L. 2004, Astronomy and Astrophysics Properties of the nuclei of Centaurs Chiron and Chariklo
Dotto, E., Barucci, M. A., Leyrat, C., Romon, J., de Bergh, C., & Licandro, J. 2003, Icarus Unveiling the nature of 10199 Chariklo: near-infrared observations and modeling
Lederer, Susan M. & Vilas, Faith 2003, Earth Moon and Planets Spectrophotometry of Kuiper Belt Objects 20000 Varuna, 2000 Eb173 and Centaur 10199 Chariklo
Masaki, Y., Kitasato, Tsukuba, & Kinoshita, H. 2003, Astronomy and Astrophysics Candidate Centaurs trapped in mean motion resonances with Uranus
Masaki, Y. & Kinoshita, H. 2003, Over the resonance, 35th Symposium on Celestial Mechanics Candidate Centaurs trapped in mean motion resonances with a giant planet
Groussin, O. 2002, Ph.D. Thesis Cometary nuclei and their activity processes
Kovalenko, Nataliya, Babenko, Yuri, & Churyumov, Klim 2002, Asteroids, Comets, and Meteors: ACM 2002 Orbital evolution of some Centaurs
Dotto, E., Leyrat, C., Romon, J., Barucci, M. A., Licandro, J., & de Bergh, C. 2002, Bulletin of the American Astronomical Society A portrait of the Centaur 10199 Chariklo
Peixinho, Nuno, Lacerda, Pedro, Ortiz, Jose-Luis, Doressoundiram, Alain, Roos-Serote, Maarten, & Gutiérrez, Pedro J. 2001, Astronomy and Astrophysics. Recent Developments Photometry of Centaurs 1997 CU26 and 1999 UG5
Bockelée-Morvan, D., Lellouch, E., Biver, N., Paubert, G., Bauer, J., Colom, P., & Lis, D. C. 2001, Astronomy and Astrophysics Search for CO gas in Pluto, Centaurs and Kuiper Belt objects at radio wavelengths
Peixinho, N., Lacerda, P., Ortiz, J. L., Doressoundiram, A., Roos-Serote, M., & Gutiérrez, P. J. 2001, Astronomy and Astrophysics Photometric study of Centaurs 10199 Chariklo (1997 CU26) and 1999 UG5
Altenhoff, W. J., Menten, K. M., & Bertoldi, F. 2001, Astronomy and Astrophysics Size determination of the Centaur Chariklo from millimeter-wavelength bolometer observations
Jarvis, K. S. & Vilas, F. 2000, Bulletin of the American Astronomical Society Searching for Clues to the Composition of Trans-Neptunian Objects
Brown, Michael E., Blake, Geoffrey A., & Kessler, Jacqueline E. 2000, The Astrophysical Journal Near-Infrared Spectroscopy of the Bright Kuiper Belt Object 2000 EB173
Sheppard, Scott S., Jewitt, David C., Trujillo, Chadwick A., Brown, Michael J. I., & Ashley, Michael C. B. 2000, The Astronomical Journal A Wide-Field CCD Survey for Centaurs and Kuiper Belt Objects
Peixinho, N., Lacerda, P., Roos-Serote, M., Ortiz, J., & Doressoundiram, A. 2000, Bulletin of the American Astronomical Society New Results on Centaurs 1997CU26 and 1999UG5
Stone, R. C., McDonald, S. W., Elliot, J. L., & Bowell, E. 2000, The Astronomical Journal 10199 Chariklo Stellar Occultation Candidates: 1999-2005
Brown, Michael E. 2000, The Astronomical Journal Near-Infrared Spectroscopy of Centaurs and Irregular Satellites
Tichá, Jana, Tichý, Miloš, & Moravec, Zdeněk 2000, Minor Bodies in the Outer Solar System Astrometry of Outer Solar System Bodies - Experience with a Small Telescope and Future Plans
Barucci, M. Antonietta & Lazzarin, Monica 2000, Minor Bodies in the Outer Solar System Optical Observations of Trans-Neptunian and Centaur Objects
de Bergh, C., Barucci, A., Cuby, J. G., Le Bras, A., Schmitt, B., & Romon, J. 2000, IAU Joint Discussion Infrared spectroscopy of the Centaur Asbolus with the ESO-VLT telescope
Kern, S., McCarthy, D., Campins, H., Brown, R. H., Rieke, M., & Stolovy, S. 1999, AAS/Division for Planetary Sciences Meeting Abstracts #31 1-2.5 Micron Spectra of Centaurs and Trans-Neptunian Objects
Peixinho, N., Ortiz, J. L., Gutierrez, P. J., Doressoundiram, A., & Roos-Serote, M. 1999, AAS/Division for Planetary Sciences Meeting Abstracts #31 The Physical Nature of Centaur Asteroids; Rotation and Colors
Brown, Michael E., Koresko, Christopher D., & Blake, Geoffrey A. 1998, The Astrophysical Journal Detection of Water Ice on Nereid
Brown, Michael E. 1998, Bulletin of the American Astronomical Society Infrared Spectroscopy of Centaurs and Irregular Satellites
Brown, Michael E. & Koresko, Christopher D. 1998, The Astrophysical Journal Detection of Water Ice on the Centaur 1997 CU26
Brown, Robert H., Cruikshank, Dale P., Pendleton, Yvonne, & Veeder, Glenn J. 1998, Science Identification of Water Ice on the Centaur 1997 CU26
Jewitt, David & Kalas, Paul 1998, The Astrophysical Journal Thermal Observations of Centaur 1997 CU26
Brown, W. R. & Luu, J. X. 1997, Bulletin of the American Astronomical Society Physical Properties of Centaurs
Binzel, R. P. 1997, International Astronomical Union Circular 1997 CU26

© 2014 by Wm. Robert Johnston.
Last modified 21 September 2014.
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