Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):

--(45) Eugenia--discovery and notes:

Primary discovered 27 June 1857 from Paris, France, by H. Goldschmidt. Alternate designation 1941 BN.

Petit-Prince discovered 1 November 1998 by W. J. Merline, L. M. Close, C. Dumas, C. R. Chapman, F. Roddier, F. Menard, D. C. Slater, G. Duvert, J. C. Shelton, and T. Morgan at the Canada-France-Hawaii Telescope at Mauna Kea, Hawaii; announced 20 March 1999. In (October) 2000 the companion was permanently designated (45) Eugenia I (Petit-Prince).

S/2004 (45) 1 discovered in 2004 data, announced 7 March 2007.

See more information and links at Asteroid/Comet Connection Catchall Catalog page

--Links, more technical:

• IAUC 8817.
• IAUC 8177.
• IAUC 7503.
• IAUC 7129.
• 45 Eugenia and Petit-Prince.
• Astronomers Discover Moon Orbiting Asteroid.

--Links, less technical:

• On a Permanent Name for Asteroid S/1998(45)1.
• Moons and Craters Named, August 15, 2000.
• An asteroid's satellite.
• Astronomers Find Moon Orbiting Asteroid.

--Links to ADS abstracts:

• Marchis, F., Kaasalainen, M., Hom, E. F. Y., Berthier, J., Enriquez, J., Hestroffer, D., Le Mignant, D., & de Pater, I. 2006, Icarus Shape, size and multiplicity of main-belt asteroids
• Hestroffer, Daniel, Tanga, P., Cellino, A., Kaasalainen, M., Torppa, J., Marchis, F., Richardson, D. C., Elankumaran, P., Berthier, J., Colas, F., & Lounis, S. 2006, AAS/Division for Planetary Sciences Meeting Abstracts HST/FGS High Angular Resolution Observations of Binary Asteroids
• Aslan, Z., Gumerov, R. I., Hudkova, L. A., Ivantsov, A. V., Khamitov, I., & Pinigin, G. I. 2006, Nomenclature, Precession and New Models in Fundamental Astronomy, 26th meeting of the IAU, Joint Discussion 16, 22-23 August 2006, Prague, Czech Republic, JD16, #67 Preliminary Results in Asteroid Mass Determination
• Marchis, F., Descamps, P., Hestroffer, D., Berthier, J., & de Pater, I. 2004, AAS/Division for Planetary Sciences Meeting Abstracts Fine Analysis of 121 Hermione, 45 Eugenia, and 90 Antiope Binary Asteroid Systems With AO Observations
• Berthier, J., Marchis, F., Descamps, P., & Hestroffer, D. 2004, AAS/Division for Planetary Sciences Meeting Abstracts Prediction of stellar occultations by satellite of asteroids
• Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System, EAR-A-I0028-4-SBN0001/SMASSII-V1.0:45EUGENI00 45 Eugenia Average CCD Spectrum
• Hestroffer, D. J. G. J. 2004, AAS/Division of Dynamical Astronomy Meeting On Equilibrium Shapes among Binary Asteroids
• Green, D. W. E 2003, International Astronomical Union Circular Satellites of (22) Kalliope and (45) Eugenia
• Conrad, A., Le Mignant, D., Dumas, C., Merline, W. J., Hammel, H. B., Fusco, T., Campbell, R., Chaffee, F., Goodrich, R., & Kwok, S. 2003, AAS/Division for Planetary Sciences Meeting Near-infrared Imaging of Large Main-belt Asteroids with the Keck Adaptive Optics System
• Storrs, A., Makhoul, K., Wells, E., Gaffey, M., Vilas, F., Landis, R., Wood, C., & Zellner, B. 2002, AAS/Division for Planetary Sciences Meeting Imaging Asteroidal Companions with the Hubble Space Telescope (HST)
• Galád, A. & Gray, B. 2002, Astronomy and Astrophysics Asteroid encounters suitable for mass determinations
• Green, D. W. E 2000, International Astronomical Union Circular Satellites of Minor Planets
• Merline, W. J., Close, L. M., Dumas, C., Shelton, J. C., Menard, F., Chapman, C. R., & Slater, D. C. 2000, American Astronomical Society, DPS meeting #32, #13.06 Discovery of Companions to Asteroids 762 Pulcova and 90 Antiope by Direct Imaging
• Britt, D. T. & Consolmagno, G. J. 2000, American Astronomical Society, DPS meeting #32, #07.02 Asteroid Bulk Density
• Close, Laird M., Merline, William J., Tholen, David J., Owen, Tobias C., Roddier, Francois J., & Dumas, C. 2000, Proc. SPIE Vol. 4007, p. 787-795, Adaptive Optical Systems Technology, Peter L. Wizinowich; Ed. Adaptive optics imaging of Pluto-Charon and the discovery of a moon around the Asteroid 45 Eugenia: the potential of adaptive optics in planetary astronomy
• Close, Laird M., Merline, William J., Dumas, C., Chapman, Clark R., Roddier, Francois J., Menard, Francois, Slater, David C., Duvert, Gilles, Shelton, J. Christopher, & Morgan, Thomas H. 2000, Proc. SPIE Vol. 4007, p. 796-802, Adaptive Optical Systems Technology, Peter L. Wizinowich; Ed. Search for asteroidal satellites using adaptive optics
• Close, L. M., Merline, W. J., Tholen, D., Owen, T., Roddier, F., & Dumas, C. 1999, American Astronomical Society, DPS meeting #31, #59.10 Adaptive Optics Imaging of Pluto-Charon and the Discovery of a Moon aroun d the Asteroid 45 Eugenia: The Potential of Adaptive Optics in Planetary Astrono my
• López-González, M. J. & Rodríguez, E. 1999, Astronomy and Astrophysics Supplement Series Strömgren photometry of 40 Harmonia, 45 Eugenia and 52 Europa
• Merline, W. J., Close, L. M., Dumas, C., Chapman, C. R., Roddier, F., Menard, F., Slater, D. C., Duvert, G., Shelton, C., & Morgan, T. 1999, Nature, Volume 401, p. 565 (1999). Discovery of a moon orbiting the asteroid 45 Eugenia
• Merline, W. J., Close, L. M., Dumas, C., Chapman, C. R., Roddier, F., Menard, F., Colwell, W., Slater, D. C., Duvert, G., Shelton, C., & Morgan, T. 1999, American Astronomical Society, DPS meeting #31, #20.06 Discovery of Asteroidal Satellite S/1998 (45) 1
• Hilton, James & Stone, R. C. 1998, Impact of Modern Dynamics in Astronomy, Colloquium 172 of the International Astronomical Union, Namur (Belgium) 6-11 July 1998. The Asteroid Mass Determination Project at the U.S. Naval Observatory
• Reed, Kevin Lowell 1995, Thesis (PH.D.)--RENSSELAER POLYTECHNIC INSTITUTE, 1995.Source: Dissertation Abstracts International, Volume: 56-11, Section: B, page: 6174. Shapes and Albedo Variations of Asteroids
• Reed, K. L., Gaffey, M. J., & Lebofsky, L. A. 1994, Lunar and Planetary Institute Conference Abstracts Relative Change in Cross-Sectional Area and Albedo with Rotational Phase for 532 Herculina and 45 Eugenia
• Kerr, R. A., Tancredi, G., & Gallardo, T. 1991, Science Magellan paints a portrait of Venus
• Tancredi, G. & Gallardo, T. 1991, Astronomy and Astrophysics A comparison of two pole determination methods for asteroids
• Lumme, K., Karttunen, H., & Bowell, E. 1990, Astronomy and Astrophysics (ISSN 0004-6361), vol. 229, no. 1, March 1990, p. 228-239. Research supported by Lowell Observatory. A spherical harmonics method for asteroid pole determination
• Hutton, R. G. 1989, Minor Planet Bulletin V+B Photoelectric Photometry of Asteroids 45 Eugenia and 498 Tokio
• Lebofsky, Larry A., Greenberg, Richard, Tedesco, Edward F., & Veeder, Glenn J. 1988, Icarus (ISSN 0019-1035), vol. 75, Sept. 1988, p. 518-526. USAF-supported research. Infrared lightcurves of asteroids 532 Herculina and 45 Eugenia - Proof of the absence of significant albedo markings
• Taylor, R. C., Birch, P. V., Pospieszalska-Surdej, A., & Surdej, J. 1988, Icarus (ISSN 0019-1035), vol. 73, Feb. 1988, p. 314-323. NASA-supported research. Asteroid 45 Eugenia - Lightcurves and the pole orientation
• Lebofsky, L. A., Tedesco, E. F., & Veeder, G. J. 1987, Bulletin of the American Astronomical Society Infrared Lightcurves of 532 Herculina and 45 Eugenia
• Taylor, R. C. & Gehrels, T. 1986, In NASA, Washington Reports of Planetary Astronomy, 1985 p 128 (SEE N87-12407 03-89) Pole orientation, sidereal period, and sense of rotation of asteroids
• Vesely, C. D. & Taylor, R. C. 1985, Icarus Photometric lightcurves of 21 asteroids
• Green, S. F., Eaton, N., Aitken, D. K., Roche, P. F., & Meadows, A. J. 1985, Icarus 8- to 13-micron spectra of asteroids
• Levan, P. D. & Price, S. D. 1984, Icarus (ISSN 0019-1035), vol. 57, Jan. 1984, p. 35-41. 85-micron fluxes from asteroids - 2 Pallas, 7 Iris, 15 Eunomia, and 45 Eugenia
• Debehogne, H., de Sanctis, G., & Zappala, V. 1983, Icarus (ISSN 0019-1035), vol. 55, Aug. 1983, p. 236-244. Photoelectric photometry of asteroids 45, 120, 776, 804, 814, and 1982DV
• van Blommestein, P. I. & Overbeek, M. D. 1983, Monthly Notes of the Astronomical Society of South Africa A Possible Minor Planet Occultation
• Debehogne, H. & Zappala, V. 1980, Astronomy and Astrophysics Supplement Series, vol. 40, May 1980, p. 257, 258. Photoelectric lightcurves and rotation period of the large asteroid 45 Eugenia
• Harris, A. W. & Young, J. 1979, Icarus, vol. 38, Apr. 1979, p. 100-105. Photoelectric lightcurves of asteroids 42 Isis, 45 Eugenia, 56 Melete, 103 Hera, 532 Herculina, and 558 Carmen
• Löwy, M. 1860, Astronomische Nachrichten Bahnbestimmung und Ephemeride der Eugenia, von Herrn M. Löwy
• Löwy, M. 1858, Astronomische Nachrichten Elemente und Ephemeride der Eugenia, mitgetheilt von Herrn Löwy

© 2001-2005, 2007 by Wm. Robert Johnston.
Last modified 10 March 2007.
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