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Asteroids with Satellites Database--Johnston's Archive
(809) Lundia
compiled by Wm. Robert Johnston
last updated21 September 2014--Orbital and physical data--
(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:main belt asteroid
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.282385746 AU | | orbital periodP: | 3.448194636 yr
(= 1259.4530910 d) | | eccentricitye: | 0.193127550 | | perihelion distanceq: | 1.84159418 AU | | aphelion distanceQ: | 2.723177314 AU | | inclinationi: | 7.1490892° | | argument of perihelionω: | 196.278428° | | ascending nodeΩ: | 154.584982° | | mean anomalyM: | 208.041873° | | perihelion passageTP: | 2015 Nov 05.62259 | | Epoch: | 2014 May 23 | | data arc: | 1915-2014(1643 obs.) | | Earth MOID: | 0.835186 AU | | Jupiter Tisserand invariantTJ: | 3.569 |
orbital data, secondary: | binary dynamical type: | B [P07f] | | semimajor axisas: | 15.8 km[K09a] | | separation/primary radiusas/rp: | 4.6 [*D] | | separation/Hill radiusas/rH: | 0.013 [*D] | | orbital periodPs: | 0.6424± 0.00004d [K09a] | | eccentricityes: | ? | | normalized ang. mom.αL: | 1.26[P07f] |
| other data, system (combined):| absolute mag.H: | 12.1[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 9.1± 3.1 km [K09a] | | geometric albedo: | 0.4[K09a] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | 4.86x1014kg [*D] | | densityρ: | 1.67± 0.04 g/cm3[K09a] | | Hill radiusrH: | 1200 km [*D] |
other data, primary: | diameterdp: | 6.9± 2.4 km [K09a] | | rotation periodRPp: | 15.418± 0.001h [K09a] | | amplitude in mag., rotationalΔM: | 0.35 [K05a] | | amplitude in mag., mutual eventsΔM: | 0.75 [K05a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 6.1± 2.1km [K09a] | | diameter ratiods/dp: | 0.89± 0.05 [K09a] | | component mag. differenceΔM: | 0.3 [* D] | | rotation periodRPs: | 15.418± 0.001h [K09a] | |
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--(809) Lundia --discovery and notes:
Primary discovered1915 Aug 11from Heidelberg, Germanyby M. F. Wolf.Alternate designation(s):1915 XP, 1936 VC.Permanent number assigned -.
Named - for Lund Observatory, Sweden.
Companion discovered2005 Sep 18 by A. Kryszczynska, T. Kwiatkowski, R. Hirsch, M. Polinska, K. Kaminski and A. Marciniakusinglightcurve observations from Poznan Astronomical Observatory.Announced2005 Oct 01 [K05a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Birlan, M., Nedelcu, D. A., Popescu, M., Vernazza, P., Colas, F., & Kryszczyńska, A. 2014, Monthly Notices of the Royal Astronomical SocietySpectroscopy and surface properties of (809) Lundia
- Birlan, M. & Popescu, M. 2011, EPSC-DPS Joint Meeting 2011Modelling asteroid spectra: few examples
- Kryszczyńska, A., Colas, F., Descamps, P., Bartczak, P., Polińska, M., Kwiatkowski, T., Lecacheux, J., Hirsch, R., Fagas, M., Kamiński, K., Michałowski, T., & Marciniak, A. 2009, Astronomy and AstrophysicsNew binary asteroid 809 Lundia. I. Photometry and modelling
- Nesvorný, David, Roig, Fernando, Gladman, Brett, Lazzaro, Daniela, Carruba, Valerio, & Mothé-Diniz, Thais 2008, IcarusFugitives from the Vesta family
- Birlan, Mirel, Colas, F., Nedelcu, A., Vernazza, P., & Kryszczynska, A. 2006, Bulletin of the American Astronomical SocietySpectroscopy of Binary Asteroid 809 Lundia
- Kryszczynska, A. 2005, International Astronomical Union Circular(809) Lundia
- Kryszczynska, A., Kwiatkowski, T., Hirsch, R., Polinska, M., Kaminski, K., & Marciniak, A. 2005, Central Bureau Electronic Telegrams(809) Lundia
- Carruba, V., Michtchenko, T. A., Roig, F., Ferraz-Mello, S., & Nesvorný, D. 2005, Astronomy and AstrophysicsOn the V-type asteroids outside the Vesta family. I. Interplay of nonlinear secular resonances and the Yarkovsky effect: the cases of 956 Elisa and 809 Lundia
- Carruba, V., Michtchenko, T., Roig, F., Ferraz-Mello, S., & Nesvorny', D. 2005, Bulletin of the American Astronomical SocietyOn the V-type asteroids outside the Vesta family
- Florczak, Marcos, Lazzaro, Daniela, & Duffard, René 2002, IcarusDiscovering New V-Type Asteroids in the Vicinity of 4 Vesta
- Debehogne, H., Protić-Benišek, V., & Olević, D. 1993, Bulletin Astronomique de Belgrade183 photographic positions of nine minor planets obtained at ESO-La Silla in February 1986.
©2005-2009, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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