Movatterモバイル変換
[0]ホーム
Asteroids with Satellites Database--Johnston's Archive
(119979) 2002 WC19
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, 1:2 resonance
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 48.18208731 AU | | orbital periodP: | 334.454172 yr
(= 122159.3863 d) | | eccentricitye: | 0.265488923 | | perihelion distanceq: | 35.39027683 AU | | aphelion distanceQ: | 60.9738978 AU | | inclinationi: | 9.167425238° | | argument of perihelionω: | 43.54515038° | | ascending nodeΩ: | 109.7773096° | | mean anomalyM: | 314.8902475° | | perihelion passageTP: | 2056 Apr 19 | | Epoch: | 2014 May 23 | | data arc: | 2001-2012(102 obs.) | | Earth MOID: | 34.4073 AU | | Jupiter Tisserand invariantTJ: | 5.901 | | Neptune Tisserand invariantTN: | 3.034 [*D] |
orbital data, secondary: | semimajor axisas: | 4092± 94 km[G19b] | | separation/primary radiusas/rp: | 24 [*D] | | separation/Hill radiusas/rH: | 0.0041 [*D] | | orbital periodPs: | 8.40272± 0.0012d [G19b] | | eccentricityes: | 0.2055± 0.0545[G19b] | | inclinationis: | 23.97° ± 0.72° [G19b] | | ascending nodeΩs: | 67° ± 1.4° [G19b] | | argument of pericenterωs: | 261.8° ± 1.4° [G19b] | | mean anomalyM: | 261.1° ± 2° [G19b] | | Epoch: | 2014 Dec 08.5 | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 4.9[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 348± 45 km [L13b] | | geometric albedo: | 0.05[*D] | | color indexU-B: | ? | | color indexB-V: | 1.14[S12f] | | color indexV-R: | 0.65 ± 0.01 [S12f] | | color indexB-R: | 1.79 ± 0.02 [S12f] | | color indexV-I: | 1.3 [S12f] | | taxonomic type: | ? | | massm: | 7.7x1019 ± 5.34x1018kg [G19b] | | densityρ: | 1.97 g/cm3[*D] | | Hill radiusrH: | 1000000 km [*E] |
other data, primary: | diameterdp: | 338 km [*D] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | <0.05 [T14a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 81km [*D] | | diameter ratiods/dp: | 0.24 [G15a] | | component mag. differenceΔM: | 2.5 [I8814] | | rotation periodRPs: | ? | |
|
--(119979) 2002 WC19 --discovery and notes:
Primary discovered2002 Nov 16from Palomar Observatory, California, USAby ?.Linked to prediscovery observations from 2001 Dec 16.Permanent number assigned 2005 Nov 16.
Companion discovered2006 Nov 05 by K. S. Noll, W. M. Grundy, S. D. Kern, H. F. Levison, and D. C. StephensusingHubble Space Telescope observations from Hubble Space Telescope.Announced2007 Feb 27 [N07b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Sheppard, Scott S. 2007, The Astronomical JournalLight Curves of Dwarf Plutonian Planets and other Large Kuiper Belt Objects: Their Rotations, Phase Functions, and Absolute Magnitudes
- Noll, K. S., Grundy, W. M., Kern, S. D., Levison, H. F., & Stephens, D. C. 2007, International Astronomical Union Circular(119979) 2002 WC_19
©2007-2015, 2019by Wm. Robert Johnston.
Last modified27 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
[8]ページ先頭