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Asteroids with Satellites Database--Johnston's Archive
(29314) Eurydamas
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:Jupiter trojan, L5
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 5.27991384 AU | | orbital periodP: | 12.13244847 yr
(= 4431.37680 d) | | eccentricitye: | 0.072609396 | | perihelion distanceq: | 4.89654248 AU | | aphelion distanceQ: | 5.66328519 AU | | inclinationi: | 15.2344394° | | argument of perihelionω: | 135.484993° | | ascending nodeΩ: | 143.376173° | | mean anomalyM: | 144.799155° | | perihelion passageTP: | 2009 Jul 05.6121 | | Epoch: | 2014 May 23 | | data arc: | 1989-2013(446 obs.) | | Earth MOID: | 3.8985 AU | | Jupiter Tisserand invariantTJ: | 2.924 |
orbital data, secondary: | semimajor axisas: | 41 km[*E] | | separation/primary radiusas/rp: | 2.6 [*E] | | separation/Hill radiusas/rH: | 0.0042 [*D] | | orbital periodPs: | 0.6265± 0.0003d [M07a] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 11.5[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 40 km [*D] | | geometric albedo: | 0.04[M07a] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | 1.44x1016kg [*D] | | densityρ: | 0.59± 0.06 g/cm3[M07a] | | Hill radiusrH: | 9800 km [*D] |
other data, primary: | diameterdp: | 32 km [M07a] | | rotation periodRPp: | 15.035± 0.007h [M07a] | | amplitude in mag., rotationalΔM: | 1.05± 0.03 [M07a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 24km [M07a] | | diameter ratiods/dp: | 0.737± 0.148 [M07a] | | component mag. differenceΔM: | 0.7 [* D] | | rotation periodRPs: | ? | |
|
--(29314) Eurydamas --discovery and notes:
Primary discovered1994 Feb 08from European Southern Observatory, La Silla, Chileby E. W. Elst.Alternate designation(s):1994 CR18, 2000 TR49.Linked to prediscovery observations from 1989 Dec 21.Permanent number assigned 2001 Oct 02.
Named 2012 Apr 06 for the Trojan priest Eurydamas [MPC79103].
Companion discovered2005 Apr 14usinglightcurve observations.Announced2007 Jun 01.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, Keith S., Ryan, E. L., Grundy, W. M., & Benecchi, S. D. 2013, AAS/Division for Planetary Sciences Meeting AbstractsUltra-Slow Rotating Outer Main Belt and Trojan Asteroids: Search for Binaries
- Mann, Rita K., Jewitt, David, & Lacerda, Pedro 2007, The Astronomical JournalFraction of Contact Binary Trojan Asteroids
©2009-2012, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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