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Asteroids with Satellites Database--Johnston's Archive
(9260) Edwardolson
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: | 2.289345475 AU | | orbital periodP: | 3.463978636 yr
(= 1265.2181970 d) | | eccentricitye: | 0.230276951 | | perihelion distanceq: | 1.76216198 AU | | aphelion distanceQ: | 2.816528971 AU | | inclinationi: | 5.0976102° | | argument of perihelionω: | 148.398741° | | ascending nodeΩ: | 214.605079° | | mean anomalyM: | 184.076410° | | perihelion passageTP: | 2016 Jan 31.28257 | | Epoch: | 2014 May 23 | | data arc: | 1953-2014(1046 obs.) | | Earth MOID: | 0.761191 AU | | Jupiter Tisserand invariantTJ: | 3.559 |
orbital data, secondary: | binary dynamical type: | A [P07f] | | semimajor axisas: | 7.2 km[*E] | | separation/primary radiusas/rp: | 3.6 [*E] | | separation/Hill radiusas/rH: | 0.013 [*E] | | orbital periodPs: | 0.741± 0.00012d [J05a] | | eccentricityes: | ? | | normalized ang. mom.αL: | 0.91[P07f] |
| other data, system (combined):| absolute mag.H: | 14[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 4.12± 0.36 km [M11b] | | geometric albedo: | 0.262± 0.037[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 550 km [*E] |
other data, primary: | diameterdp: | 3.98± 0.35 km [*D] | | rotation periodRPp: | 3.0852± 0.0001h [J05a] | | amplitude in mag., rotationalΔM: | 0.11 [J05a] | | amplitude in mag., mutual eventsΔM: | 0.115 ±0.035 [J05a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.07± 0.15km [*D] | | diameter ratiods/dp: | 0.27± 0.03 [J05a] | | component mag. differenceΔM: | 2.8± 0.2 [*D] | | rotation periodRPs: | ? | |
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--(9260) Edwardolson --discovery and notes:
Primary discovered1953 Oct 08from Brooklyn, Indiana, USAby Indiana University.Alternate designation(s):1953 TA1, 1991 QH.Permanent number assigned 1998 Oct 05.
Named 2004 Jul 13 for Edward C. Olson (1930-) [MPC52322].
Companion discovered2005 Oct 06 by M. Jakubik, M. Husarik, J. Vilagi, S. Gajdos, A. Galad, P. Pravec, P. Kusnirak, W. Cooney, J. Gross, D. Terrell, D. Pray, and R. Stephensusinglightcurve observations from Skalnate Pleso Obs; Modra Observatory, Slovakia; Ondrejov Observatory, Czech Republic; Sonoita Research Observatory, Sonoita, Arizona, USA; Greene, Rhode Island, USA; Yucca Valley, California, USA.Announced2005 Nov 02 [J05a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Jakubik, M., Husarik, M., Vilagi, J., Gajdos, S., Galad, A., Pravec, P., Kusnirak, P., Cooney, W., Gross, J., Terrell, D., Pray, D., & Stephens, R. 2005, Central Bureau Electronic Telegrams(9260) Edwardolson
©2005-2008, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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