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Asteroids with Satellites Database--Johnston's Archive
(20882) Paulsanchez
compiled by Wm. Robert Johnston
last updated9 November 2020--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: | 2.3634077882 AU | | orbital periodP: | 3.6333563425 yr
(= 1327.1084681 d) | | eccentricitye: | 0.247037778 | | perihelion distanceq: | 1.779556779 AU | | aphelion distanceQ: | 2.947258797 AU | | inclinationi: | 2.3778571° | | argument of perihelionω: | 358.181402° | | ascending nodeΩ: | 13.666526° | | mean anomalyM: | 58.781524° | | perihelion passageTP: | 2018 Sep 22.307060 | | Epoch: | 2019 Apr 27 | | data arc: | 1949-2019(1789 obs.) | | Earth MOID: | 0.778896 AU | | Jupiter Tisserand invariantTJ: | 3.507 |
orbital data, secondary: | semimajor axisas: | 11 km[*E] | | separation/primary radiusas/rp: | 5.4 [*E] | | separation/Hill radiusas/rH: | 0.014 [*E] | | orbital periodPs: | 1.3671± 0.0008d [W18e] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 14.4[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 4.38 km [*E] | | geometric albedo: | (0.16) [*A] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 760 km [*E] |
other data, primary: | diameterdp: | 4.09 km [*E] | | rotation periodRPp: | 2.5586± 0.0001h [W18e] | | amplitude in mag., rotationalΔM: | 0.15 [W18e] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.47km [*E] | | diameter ratiods/dp: | 0.36± 0.04 [W19c] | | component mag. differenceΔM: | 2.2± 0.2 [*D] | | rotation periodRPs: | ? | |
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--(20882) Paulsanchez --discovery and notes:
Primary discovered2000 Nov 03from Socorro, New Mexico, USAby LINEAR Program.Alternate designation(s):2000 VH57, 1999 JL6.Linked to prediscovery observations from 1949 Nov 21.Permanent number assigned 2001 Jan 09.
Named 2019 Aug 27 for Diego Paul Sanchez Lana (1976-) [MPC115893].
Companion discovered2018 Sep 15 by B. D. Warner, A. Aznar Macias, M. Serra-Ricart, J. Licandro, and P. Pravecusinglightcurve observations from CS3, Landers, California, USA; Canary Astrophysics Institute.Announced2018 Nov 08 [W18e].
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--Links to ADS abstracts:
©2018-2019, 2020by Wm. Robert Johnston.
Last modified9 November 2020.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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