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Asteroids with Satellites Database--Johnston's Archive
(3623) Chaplin
compiled by Wm. Robert Johnston
last updated27 May 2019--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: | 2.854300867 AU | | orbital periodP: | 4.822248916 yr
(= 1761.359682 d) | | eccentricitye: | 0.084554316 | | perihelion distanceq: | 2.61295741 AU | | aphelion distanceQ: | 3.095644324 AU | | inclinationi: | 3.069854° | | argument of perihelionω: | 233.975608° | | ascending nodeΩ: | 118.214106° | | mean anomalyM: | 199.903841° | | perihelion passageTP: | 2019 Oct 27.29700 | | Epoch: | 2017 Sep 04 | | data arc: | 1952-2017(2135 obs.) | | Earth MOID: | 1.60802 AU | | Jupiter Tisserand invariantTJ: | 3.297 |
orbital data, secondary: | binary dynamical type: | A [L15a] | | semimajor axisas: | 12 km[*E] | | orbital periodPs: | 0.3483d [W18f] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 12.1[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 11.1± 1.5 km [M12c] | | geometric albedo: | 0.266± 0.097[M12c] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 2500 km [*E] |
other data, primary: | diameterdp: | 11.1± 1.5 km [M12c] | | rotation periodRPp: | 8.361h [W14c] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | ? | | diameter ratiods/dp: | ? | | component mag. differenceΔM: | ? | | rotation periodRPs: | ? | |
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--(3623) Chaplin --discovery and notes:
Primary discovered1981 Oct 04from Nauchnyj, Crimea, Ukraine, USSRby L. G. Karachkina.Alternate designation(s):1981 TG2, 1952 VK, 1962 WT1, 1971 UM4, 1976 UG1, 1983 CT1, 1988 DY.Linked to prediscovery observations from 1952 Nov 12.Permanent number assigned 1987 May 13.
Named 1988 May 31 for Charles Spencer Chaplin (1889-1977) [MPC013176].
Companion discovered-usinglightcurve observations.Announced2008 Oct 12.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2017, 2019by Wm. Robert Johnston.
Last modified27 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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