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Asteroids with Satellites Database--Johnston's Archive
(7393) Luginbuhl
compiled by Wm. Robert Johnston
last updated30 April 2022--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: | 2.2406226609 AU | | orbital periodP: | 3.3539229859 yr
(= 1225.0435071 d) | | eccentricitye: | 0.199773359 | | perihelion distanceq: | 1.79300595 AU | | aphelion distanceQ: | 2.688239376 AU | | inclinationi: | 6.7298825° | | argument of perihelionω: | 332.023729° | | ascending nodeΩ: | 23.519° | | mean anomalyM: | 122.748578° | | perihelion passageTP: | 2018 Mar 05.299030 | | Epoch: | 2019 Apr 27 | | data arc: | 1983-2018(1754 obs.) | | Earth MOID: | 0.791441 AU | | Jupiter Tisserand invariantTJ: | 3.599 |
orbital data, secondary: | semimajor axisas: | 16 km[*E] | | separation/primary radiusas/rp: | 6.3 [*E] | | separation/Hill radiusas/rH: | 0.022 [*E] | | orbital periodPs: | 1.6426± 0.0001d [W19b] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 13.2[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 5.47± 0.08 km [M11b] | | geometric albedo: | 0.408± 0.065[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 720 km [*E] |
other data, primary: | diameterdp: | 5.08 km [*D] | | rotation periodRPp: | 2.68763± 0.00005h [W19b] | | amplitude in mag., rotationalΔM: | 0.1 [W19b] | | amplitude in mag., mutual eventsΔM: | 0.16 [W19b] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | >2.03km [*D] | | diameter ratiods/dp: | >0.4± 0.03 [W19b] | | component mag. differenceΔM: | <2.0± 0.2 [*D] | | rotation periodRPs: | ? | |
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--(7393) Luginbuhl --discovery and notes:
Primary discovered1984 Sep 28from Anderson Mesa Station, Arizona, USAby B. A. Skiff.Alternate designation(s):1984 SL3, 1983 EE2, 1993 FM35.Linked to prediscovery observations from 1983 Mar 11.Permanent number assigned 1997 Jan 23.
Named 1999 Sep 28 for Christian B. Luginbuhl (1955-) [MPC036127].
Companion discovered2018 Dec 04 by B. D. Warner and B. A. Skiffusinglightcurve observations from Center for Solar System Studies, Landers, California, United States.Announced2019 Jan 09 [W19b].
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--Links to ADS abstracts:
©2019, 2022by Wm. Robert Johnston.
Last modified30 April 2022Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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