Movatterモバイル変換
[0]ホーム
Asteroids with Satellites Database--Johnston's Archive
(6084) Bascom
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: | 2.312742949 AU | | orbital periodP: | 3.517217704 yr (= 1284.663766 d) | | eccentricitye: | 0.235487303 | | perihelion distanceq: | 1.76812135 AU | | aphelion distanceQ: | 2.857364548 AU | | inclinationi: | 23.0141236° | | argument of perihelionω: | 258.627126° | | ascending nodeΩ: | 147.285867° | | mean anomalyM: | 187.381330° | | perihelion passageTP: | 2016 Jan 28.99152 | | Epoch: | 2014 May 23 | | data arc: | 1950-2014(941 obs.) | | Earth MOID: | 0.906896 AU | | Jupiter Tisserand invariantTJ: | 3.443 |
orbital data, secondary: | binary dynamical type: | A [P07f] | | semimajor axisas: | 20 km[*E] | | separation/primary radiusas/rp: | 6.7 [*E] | | separation/Hill radiusas/rH: | 0.024 [*E] | | orbital periodPs: | 1.813d [H06c] | | eccentricityes: | ? | | normalized ang. mom.αL: | 1.23[P07f] |
| other data, system (combined):| absolute mag.H: | 12.8[MPC] 12.8 ± 0.1 [H06c] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 6.35± 0.22 km [M11b] | | geometric albedo: | 0.22± 0.03[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 830 km [*E] |
other data, primary: | diameterdp: | 5.96± 0.21 km [*D] | | rotation periodRPp: | 2.745h [H06c] | | amplitude in mag., rotationalΔM: | 0.22 [H06c] | | amplitude in mag., mutual eventsΔM: | 0.15 ±0.03 [H06c] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 2.2± 0.14km [*D] | | diameter ratiods/dp: | 0.37± 0.02 [H06c] | | component mag. differenceΔM: | 2.2± 0.1 [*D] | | rotation periodRPs: | ? | |
|
--(6084) Bascom --discovery and notes:
Primary discovered1985 Feb 12from Palomar Observatory, California, USAby C. S. Shoemaker and E. M. Shoemaker.Alternate designation(s):1985 CT, 1978 EC6, 1992 BM1.Linked to prediscovery observations from 1950 Mar 17.Permanent number assigned 1994 Sep 19.
Named 1998 Apr 11 for Florence Bascom (1862-1945) [MPC31610].
Companion discovered2005 Dec 29 by D. Higgins, P. Pravec, P. Kusnirak, L. Sarounova, S. Gajdos, A. Galad, and J. Vilagiusinglightcurve observations from Ondrejov Observatory, Czech Republic; Modra Observatory, Slovakia.Announced2006 Feb 06 [H06c].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Higgins, D., Pravec, P., Kusnirak, P., Sarounova, L., Gajdos, S., Galad, A., & Vilagi, J. 2006, Central Bureau Electronic Telegrams(6084) Bascom
©2006-2008, 2014by Wm. Robert Johnston.
Last modified21 September 2014.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
[8]ページ先頭