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Asteroids with Satellites Database--Johnston's Archive
(4337) Arecibo
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: | 3.259185639 AU | | orbital periodP: | 5.88387783 yr (= 2149.126968 d) | | eccentricitye: | 0.090421999 | | perihelion distanceq: | 2.964483557 AU | | aphelion distanceQ: | 3.55388772 AU | | inclinationi: | 2.2132009° | | argument of perihelionω: | 181.619254° | | ascending nodeΩ: | 41.2072397° | | mean anomalyM: | 5.0464913° | | perihelion passageTP: | 2020 Nov 16.873471 | | Epoch: | 2020 Dec 17 | | data arc: | 1933-2020(2421 obs.) | | Earth MOID: | 1.95458 AU | | Jupiter Tisserand invariantTJ: | 3.172 |
orbital data, secondary: | semimajor axisas: | 48 km (separation) [G21a] | | separation/primary radiusas/rp: | 4.0 [*E] | | separation/Hill radiusas/rH: | 0.0082 [*E] | | orbital periodPs: | 0.8d [*E] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 12.36[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 19.69± 0.24 km [M11b] | | geometric albedo: | 0.077± 0.004[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 5900 km [*E] |
other data, primary: | diameterdp: | 24.3± 0.6 km [G21a] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 13± 1.5km [G21a] | | diameter ratiods/dp: | 0.53 [*D] | | component mag. differenceΔM: | 1.4 [*D] | | rotation periodRPs: | ? | |
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--(4337) Arecibo --discovery and notes:
Primary discovered1985 Apr 14from Flagstaff, Arizona, USAby E. Bowell.Alternate designation(s):1985 GB, 1933 HE, 1979 FR3, 1979 HG2.Linked to prediscovery observations from 1933 Apr 24.Permanent number assigned 1990 Jan 11.
Named 1990 Jun 08 for the radio observatory in Puerto Rico [MPC016445].
Companion discovered2021 May 20 by Nosworthy, P., and D. Gaultusingstellar occultation observations.Announced2021 Jun 20 [N21a].
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--Links to ADS abstracts:
©2021, 2022by Wm. Robert Johnston.
Last modified30 April 2022Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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