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756 Lilliana is a minor planet orbiting the Sun that was discovered by American astronomer Joel Hastings Metcalf on 26 April 1908 from Taunton, Massachusetts. It rotates around its axis of rotation every 9.36 hours.

Photometric observations of this asteroid at Palmer Divide Observatory in Colorado Springs, Colorado, during 2007 gave a light curve with a period of 9.262±0.001 hours and a brightness variation of 0.83±0.03 in magnitude. A 2012 study based upon observations at the Organ Mesa Observatory in Las Cruces, New Mexico, during 2012 produced a conflicting period of 7.834±0.001 hours and a brightness variation of 0.17±0.02 in magnitude. Further study will be needed to resolve the discrepancies in period and amplitude.

References

1. "Numbered Minor Planets 1–5000", Discovery Circumstances, IAU Minor Planet center, retrieved 7 April 2013.
2. ^ Yeomans, Donald K., "756 Lilliana", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
3. "(756) Lilliana". AstDyS. Italy: University of Pisa. Archived from the original on 26 May 2011. Retrieved 12 December 2008.
4. ^ Tedesco; et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. Archived from the original on 19 January 2007. Retrieved 7 January 2009.
5. ^ Székely; Kiss, L; Szabo, G; Sarneczky, K; Csak, B; Varadi, M; Meszaros, S; et al. (2005). "CCD photometry of 23 minor planets". Planetary and Space Science. 53 (9): 925–936. arXiv:astro-ph/0504462. Bibcode:2005P&SS...53..925S. doi:10.1016/j.pss.2005.04.006. S2CID 119361591. web preprint
6. Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 11 June 2008. Retrieved 7 January 2009.
7. Warner, Brian D. (June 2008), "Asteroid Lightcurve Analysis at the Palmer Divide Observatory – June–October 2007", The Minor Planet Bulletin, 35 (2): 56–60, Bibcode:2008MPBu...35...56W.
8. Pilcher, Frederick (October 2012), "Rotation Period Determinations for 47 Aglaja, 252 Clementina, 611 Valeria, 627 Charis, and 756 Lilliana", Minor Planet Bulletin, 39 (4): 220–222, Bibcode:2012MPBu...39..220P.

External links

• Lightcurve plot of 756 Lilliana, Palmer Divide Observatory, B. D. Warner (2007)
• Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
• Dictionary of Minor Planet Names, Google books
• Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
• Discovery Circumstances: Numbered Minor Planets (1)–(5000) – Minor Planet Center
• 756 Lilliana at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 756 Lilliana at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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• Minor planet object articles (numbered)
• Background asteroids
• Named minor planets
• Astronomical objects discovered in 1908
• Discoveries by Joel Hastings Metcalf
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