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Asteroids with Satellites Database--Johnston's Archive
(523983) 1999 RY214
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: | 44.938 AU | | orbital periodP: | 301.246 yr
(= 110033.2 d) | | eccentricitye: | 0.17523 | | perihelion distanceq: | 37.064 AU | | aphelion distanceQ: | 52.813 AU | | inclinationi: | 13.68637° | | argument of perihelionω: | 69.9965° | | ascending nodeΩ: | 327.23624° | | mean anomalyM: | 4.084° | | perihelion passageTP: | 2015 Nov 25.7 | | Epoch: | 2019 Apr 27 | | data arc: | 1999-2018(29 obs.) | | Earth MOID: | 36.0963 AU | | Jupiter Tisserand invariantTJ: | 5.738 | | Neptune Tisserand invariantTN: | 3.008 [*D] |
orbital data, secondary: | semimajor axisas: | 1500± 200 km (separation) [N09b] | | separation/primary radiusas/rp: | 24 [*E] | | separation/Hill radiusas/rH: | 0.0046 [*E] | | orbital periodPs: | 15d [*E] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 7.4[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 146 km [*E] | | geometric albedo: | (0.09) [*A] | | color indexU-B: | ? | | color indexB-V: | 0.693[P04a] | | color indexV-R: | 0.55 ± 0.065 [P04a] | | color indexB-R: | 1.258 ± 0.085 [P04a] | | color indexV-I: | 1.11 [P04a] | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1 g/cm3) [*A] | | Hill radiusrH: | 330000 km [*E] |
other data, primary: | diameterdp: | 125 km [*E] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 76km [*E] | | diameter ratiods/dp: | 0.605 [N09b] | | component mag. differenceΔM: | 1.09 [N09b] | | rotation periodRPs: | ? | |
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--(523983) 1999 RY214 --discovery and notes:
Primary discovered1999 Sep 06from Mauna Kea Observatory, Hawaii, USAby D. C. Jewitt, J. X. Luu, and C. A. Trujillo.Permanent number assigned 2019 May 18.
Companion discovered2008 Sep 20 by K. S. Noll, W. M. Grundy, S. D. Benecchi, and H. A. LevisonusingHubble Space Telescope observations from Hubble Space Telescope.Announced2009 Sep 24 [N09b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, K. S., Grundy, W. M., Benecchi, S. D., & Levison, H. A. 2009, International Astronomical Union Circular1999 XY_143, 1999 RY_214, and 2002 VT_130
©2009-2014, 2019by Wm. Robert Johnston.
Last modified27 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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