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--(208996) Achlys --discovery and notes:

Primary discovered2003 Jan 13from Palomar Observatory, California, USAby C. A. Trujillo and M. E. Brown.Alternate designation(s):2003 AZ84.Linked to prediscovery observations from 1996 Mar 19.Permanent number assigned 2009 Mar 11.

Named 2025 Jun 30 for the Greek personification of sorrow and grief [WGSBN0515].

Companion discovered2005 Dec 02 by M. E. Brown and T.-A. SuerusingHubble Space Telescope observations from Hubble Space Telescope.Announced2007 Feb 22 [B07d].

--Links, more technical:

• IAUC 8812.

--Links, less technical:

--Links to ADS abstracts:

• Braga Ribas, Felipe, Sicardy, B., Ortiz, J. L., Duffard, R., Camargo, J. I. B., Lecacheux, J., Colas, F., Vachier, F., Tanga, P., Sposetti, S., Brosch, N., Kaspi, S., Manulis, I., Baug, T., Chandrasekhar, T., Ganesh, S., Jain, J., Mohan, V., Sharma, A., Garcia-Lozano, R., Klotz, A., Frappa, E., Jehin, E., Assafin, M., Vieira Martins, R., Behrend, R., Roques, F., Widemann, T., Morales, N., Thirouin, A., Mahasena, P., Benkhaldoun, Z., Daassou, A., Rinner, C., & Ofek, E. O. 2012, AAS/Division for Planetary Sciences Meeting AbstractsStellar Occultations by Large TNOs on 2012: The February 3rd by (208996) 2003 AZ84, and the February 17th by (50000) Quaoar
• Assafin, M., Camargo, J. I. B., Vieira Martins, R., Braga-Ribas, F., Sicardy, B., Andrei, A. H., & da Silva Neto, D. N. 2012, Astronomy and AstrophysicsCandidate stellar occultations by large trans-Neptunian objects up to 2015
• Braga-Ribas, F., Sicardy, B., Ortiz, J. L., Jehin, E., Camargo, J. I. B., Assafin, M., Behrend, R., Unda-Sanzana, E., Colque, J. P., Morales, N., Tancredi, G., Roland, S., Bruzzone, S., Salvo, R., Almenares, L., Emilio, M., Schoenell, W., Gil-Hutton, R., Milone, A., Jacques, C., Vanzi, L., Kavelaars, J. J., Cacella, P., Maury, A., Alvarez, E., van der Bliek, N. S., Vieira-Martins, R., Colas, F., Lecacheux, J., Vachier, F., Roques, F., Widemann, T., Thirouin, A., Gillon, M., Manfroid, J., Bergengruen, A., Martinez, M., Capeche, J., Amorim, A., Pimentel, E., Leiva, R., Toledo, I., Almeida, L. A., Magalhães, V. S., Montaña, C. E., & Rodrigues, C. V. 2011, EPSC-DPS Joint Meeting 2011Stellar Occultations by TNOs: the January 08, 2011 by (208996) 2003 AZ84 and the May 04, 2011 by (50000) Quaoar
• Braga-Ribas, F., Sicardy, B., Colas, F., Lecacheux, J., Maury, A., Ortiz, J. L., Morales, N., de, I., Jehin, E., Manfroid, J., Gillon, M., Assafin, M., Vieira-Martins, R., Camargo, J. I. B., & Harlinten, C. 2011, Central Bureau Electronic TelegramsStellar Occultation by Transneptunian Object (208996) 2003 AZ84
• Delsanti, A., Merlin, F., Guilbert-Lepoutre, A., Bauer, J., Yang, B., & Meech, K. J. 2010, Astronomy and AstrophysicsMethane, ammonia, and their irradiation products at the surface of an intermediate-size KBO?. A portrait of Plutino (90482) Orcus
• Fornasier, S., Barucci, M. A., de Bergh, C., Alvarez-Candal, A., DeMeo, F., Merlin, F., Perna, D., Guilbert, A., Delsanti, A., Dotto, E., & Doressoundiram, A. 2009, Astronomy and AstrophysicsVisible spectroscopy of the new ESO large programme on trans-Neptunian objects and Centaurs: final results
• Fornasier, S., Doressoundiram, A., Tozzi, G. P., Barucci, M. A., Boehnhardt, H., de Bergh, C., Delsanti, A., Davies, J., & Dotto, E. 2004, Astronomy and AstrophysicsESO Large Program on physical studies of Trans-Neptunian objects and Centaurs: Final results of the visible spectrophotometric observations
• de Bergh, C., Barucci, A., Doressoundiram, A., & Dotto, E. 2004, 35th COSPAR Scientific AssemblySpectroscopy of Kuiper Belt Objects and Centaurs
• Sheppard, Scott S. & Jewitt, David C. 2003, Earth Moon and PlanetsHawaii Kuiper Belt Variability Project: An Update
• Helin, E. F., Pravdo, S., Lawrence, K., Thicksten, R., Haver, R., Pelloni, A., Forti, G., Chiang, E. I., Jordan, A. B., Young, J., Trujillo, C. A., & Marsden, B. G. 2003, Minor Planet Electronic Circulars2003 AZ84
• Trujillo, C. A., Brown, M. E., Helin, E. F., Pravdo, S., Lawrence, K., Hicks, M., & Marsden, B. G. 2003, Minor Planet Electronic Circulars2003 AZ84

©2007-2014, 2025by Wm. Robert Johnston.
Last modified29 September 2025.
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