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Asteroids with Satellites Database--Johnston's Archive
(508788) 2000 CQ114
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:TNO, Cubewano
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 46.1141 AU | | orbital periodP: | 313.149 yr
(= 114379.7 d) | | eccentricitye: | 0.109887 | | perihelion distanceq: | 41.0467 AU | | aphelion distanceQ: | 51.181 AU | | inclinationi: | 2.69106° | | argument of perihelionω: | 32.0093° | | ascending nodeΩ: | 38.4144° | | mean anomalyM: | 94.7898° | | perihelion passageTP: | 1936 Nov 11.2 | | Epoch: | 2019 Apr 27 | | data arc: | 2000-2017(46 obs.) | | Earth MOID: | 40.0614 AU | | Jupiter Tisserand invariantTJ: | 6.024 | | Neptune Tisserand invariantTN: | 3.111 [*D] |
orbital data, secondary: | semimajor axisas: | 6940± 32 km[G19b] | | separation/primary radiusas/rp: | 78 [*D] | | separation/Hill radiusas/rH: | 0.012 [*D] | | orbital periodPs: | 220.478± 0.045d [G19b] | | eccentricityes: | 0.095± 0.0047[G19b] | | inclinationis: | 32.13° ± 0.56° [G19b] | | ascending nodeΩs: | 106.28° ± 0.68° [G19b] | | argument of pericenterωs: | 106.28° ± 0.68° [G19b] | | mean anomalyM: | 62.31° ± 0.66° [G19b] | | Epoch: | 2006 Dec 30.5 | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 6.9[MPC]
7.21 ± 0.25 [B08d] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 246 km [*E] | | geometric albedo: | (0.09) [*A] | | color indexU-B: | ? | | color indexB-V: | ? | | color indexV-R: | 0.69 ± 0.16 [B11c] | | color indexV-I: | 1.4 ± 0.08 [B08d] | | color indexJ-H: | 0.41 ± 0.4 [B11c] | | taxonomic type: | ? | | massm: | 5.45x1017 ± 7.6x1015kg [G19b] | | densityρ: | (1 g/cm3) [*A] | | Hill radiusrH: | 600000 km [*E] |
other data, primary: | diameterdp: | 179 km [*E] | | color indexV-I: | 1.4 ± 0.08 [B08d] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 169km [*E] | | diameter ratiods/dp: | 0.946 [*D] | | component mag. differenceΔM: | 0.12 [G15a] | | color indexV-I: | 1.36± 0.21 [B08d] | | rotation periodRPs: | ? | |
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--(508788) 2000 CQ114 --discovery and notes:
Primary discovered2000 Feb 06from Kitt Peak Observatory, Arizona, USAby M. W. Buie.Permanent number assigned 2018 Jan 31.
Companion discovered2003 Jun 06 by D. C. Stephens, K. S. Noll, and W. GrundyusingHubble Space Telescope observations from Hubble Space Telescope.Announced2004 Feb 16 [S04b].
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©2004-2018, 2019by Wm. Robert Johnston.
Last modified27 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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