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Asteroids with Satellites Database--Johnston's Archive
(27675) Paulmaley
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: | 2.3517011824 AU | | orbital periodP: | 3.6063942862 yr
(= 1317.2603911 d) | | eccentricitye: | 0.190773033 | | perihelion distanceq: | 1.90306002 AU | | aphelion distanceQ: | 2.800342349 AU | | inclinationi: | 24.6966664° | | argument of perihelionω: | 186.263015° | | ascending nodeΩ: | 316.228856° | | mean anomalyM: | 207.779276° | | perihelion passageTP: | 2020 Nov 03.984252 | | Epoch: | 2019 Apr 27 | | data arc: | 1981-2019(1451 obs.) | | Earth MOID: | 0.917947 AU | | Jupiter Tisserand invariantTJ: | 3.412 |
orbital data, secondary: | semimajor axisas: | 32 km[*E] | | separation/primary radiusas/rp: | 12.8 [*E] | | separation/Hill radiusas/rH: | 0.043 [*E] | | orbital periodPs: | 5.004± 0.02d [P17b] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 13.5[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 5.09± 0.20 km [M14c] | | geometric albedo: | 0.238± 0.037[M14c] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 740 km [*E] |
other data, primary: | diameterdp: | 4.99± 0.2 km [*D] | | rotation periodRPp: | 2.966h [P17b] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | >1 | | diameter ratiods/dp: | >0.2 [P17b] | | component mag. differenceΔM: | <3.5 [*D] | | rotation periodRPs: | ? | |
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--(27675) Paulmaley --discovery and notes:
Primary discovered1981 Feb 02from Klet, Czech Republicby L. Brozek.Alternate designation(s):1981 CH, 1999 JL6.Permanent number assigned 2001 Sep 02.
Named 2019 Aug 27 for Paul D. Maley (1947-) [MPC115894].
Companion discovered2017 by D. Pray, P. Pravec, H. Kucakova, K. Hornoch, P. Kusnirak, J. Vrastil, A. Carbognani, A. Aznar, V. Benishek, W. Cooney, J. Gross, D. Terrell, R. Montaigut, and A. Leroyusinglightcurve observations.Announced2017 Feb 14 [P17b].
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©2017-2020, 2022by Wm. Robert Johnston.
Last modified30 April 2022.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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