Movatterモバイル変換
[0]ホーム
Asteroids with Satellites Database--Johnston's Archive
2005 LW3
compiled by Wm. Robert Johnston
last updated15 April 2023--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:NEA, Apollo(PHA)
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 1.4386823182 AU | | orbital periodP: | 1.725661307 yr
(= 630.2977923 d) | | eccentricitye: | 0.463841167 | | perihelion distanceq: | 0.771362233 AU | | aphelion distanceQ: | 2.106002403 AU | | inclinationi: | 6.020943° | | argument of perihelionω: | 288.6627768° | | ascending nodeΩ: | 59.5875433° | | mean anomalyM: | 81.3845482° | | perihelion passageTP: | 2022 Oct 05.5097192 | | Epoch: | 2023 Feb 25 | | data arc: | 2005-2022(78 obs.) | | Earth MOID: | 0.00139695 AU | | Jupiter Tisserand invariantTJ: | 4.543 |
orbital data, secondary: | semimajor axisas: | 4 km (separation) [N22b] | | separation/primary radiusas/rp: | 20 [*D] | | separation/Hill radiusas/rH: | 0.16 [*D] | | orbital periodPs: | 9.5d [*D] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 21.89[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 0.43 km [*D] | | geometric albedo: | 0.017[*D] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 24 km [*E] |
other data, primary: | diameterdp: | 0.4 km [N22b] | | rotation periodRPp: | 3.6h [N22b] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.15km [N22b] | | dimensions: | 0.2 x 0.1 x ?km [N22b] | | axial ratiosa/b, b/c: | 2;? [] | | diameter ratiods/dp: | 0.38 [*D] | | component mag. differenceΔM: | 2.1 [*D] | | rotation periodRPs: | ? | |
|
-- 2005 LW3 --discovery and notes:
Primary discovered2005 Jun 05from Siding Spring Observatory, New South Wales, Australiaby Siding Spring Survey.
Companion discovered2022 Nov 23 by S. P. Naidu, L. A. M. Benner, M. Brozovic, J. D. Giorgini, S. Horiuchi, I. Savill-Brown, J. Stevens, C. Phillips, P. Edwards, and E. Kruzinsusingradar observations from Goldstone Observatory, California, USA.Announced2022 Nov [B22g].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2022, 2023by Wm. Robert Johnston.
Last modified15 April 2023.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
[8]ページ先頭