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Asteroids with Satellites Database--Johnston's Archive
(532037) Chiminigagua
compiled by Wm. Robert Johnston
last updated16 August 2025--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:TNO, scattered disk
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 58.707 AU | | orbital periodP: | 449.825 yr
(= 164298.5 d) | | eccentricitye: | 0.394565 | | perihelion distanceq: | 35.5433 AU | | aphelion distanceQ: | 81.8708 AU | | inclinationi: | 33.22397° | | argument of perihelionω: | 139.701° | | ascending nodeΩ: | 186.97219° | | mean anomalyM: | 216.995° | | perihelion passageTP: | 2203 Jun 27 | | Epoch: | 2024 Oct 17 | | data arc: | 2011-2024(132 obs.) | | Earth MOID: | 34.5989 AU | | Jupiter Tisserand invariantTJ: | 5.252 | | Neptune Tisserand invariantTN: | 2.66027921557485 [*D] |
orbital data, secondary: | semimajor axisas: | 9800 km (separation) [S18h] | | separation/primary radiusas/rp: | 26 [*E] | | separation/Hill radiusas/rH: | 0.0056 [*E] | | orbital periodPs: | 19d [*E] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 3.11[MPC]
3.15 ± 0.03 [S18h] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 765± 80/85 km [S18h] | | geometric albedo: | 0.17± 0.045/0.03[S18h] | | color indexU-B: | ? | | color indexB-V: | ? | | color indexV-R: | 0.56 ± 0.03 [S18h] | | color indexV-I: | 1.08 ± 0.05 [S18h] | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1 g/cm3) [*A] | | Hill radiusrH: | 1800000 km [*E] |
other data, primary: | diameterdp: | 740± 85/90 km [S18h] | | axial ratiosa/b, b/c: | 1.1, ? [*E] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | <0.06 [S18h] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 190km [S18h] | | diameter ratiods/dp: | 0.25± 0.03 [*D] | | component mag. differenceΔM: | 3.0± 0.2 [S18h] | | rotation periodRPs: | ? | |
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--(532037) Chiminigagua --discovery and notes:
Primary discovered2013 Mar 17from Cerro Tololo Observatory, La Serena, Chileby S. S. Sheppard and C. A. Trujillo.Alternate designation(s):2013 FY27.Linked to prediscovery observations from 2011 Mar 15.Permanent number assigned 2019 May 18.
Named 2025 Aug 11 for the Muisca mythological creator [WGSBN0519].
Companion discovered2018 Jan 15 by S. S. Sheppard, Y. R. Fernandez, and A. MoulletusingHubble Space Telescope observations from Hubble Space Telescope.Announced2018 Aug 10 [S18i].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Sheppard, S. & D. Ragozzine, 2019, The Orbit of the Satellite Around Dwarf Planet 2013 FY27,EPSC-DPS Joint Meeting 2019, 2019:EPSC-DPS2019-1537. [ADS abstract]
- Sheppard, S. S., Y. R. Fernandez, & A. Moullet, 2018, The Albedos, Sizes, Colors, and Satellites of Dwarf Planets Compared with Newly Measured Dwarf Planet 2013 FY27,The Astronomical Journal, 156:270. [ADS abstract]
- Sheppard, S., Y. Fernandez, A. Moullet, & D. A. Ragozzine, 2018, Dwarf Planets: Their Diameters, Albedos, Colors and Satellites Compared,AAS/Division for Planetary Sciences Meeting Abstracts #50,:509.01. [ADS abstract]
- Sheppard, S., 2017, A Satellite Search of a Newly Discovered Dwarf Planet,HST Proposal,:15248. [ADS abstract]
- Sheppard, S. S. & C. Trujillo, 2014, 2013 FY27,Minor Planet Electronic Circulars, 2014-F82:. [ADS abstract]
©2018-2019, 2025by Wm. Robert Johnston.
Last modified16 August 2025.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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