Movatterモバイル変換
[0]ホーム
Asteroids with Satellites Database--Johnston's Archive
(326732) Nice
compiled by Wm. Robert Johnston
last updated8 March 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:NEA, Amor
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.7121673806 AU | | orbital periodP: | 4.466660405 yr
(= 1631.4477129 d) | | eccentricitye: | 0.57030834 | | perihelion distanceq: | 1.165395704 AU | | aphelion distanceQ: | 4.2589390575 AU | | inclinationi: | 6.6194432° | | argument of perihelionω: | 145.829053° | | ascending nodeΩ: | 161.617774° | | mean anomalyM: | 259.90267009° | | perihelion passageTP: | 2026 Jan 13.6209999 | | Epoch: | 2024 Oct 17 | | data arc: | 2003-2021(5867 obs.) | | Earth MOID: | 0.164871 AU | | Jupiter Tisserand invariantTJ: | 3.097 |
orbital data, secondary: | semimajor axisas: | 3.5 km[*E] | | separation/primary radiusas/rp: | 4.0 [*E] | | separation/Hill radiusas/rH: | 0.023 [*E] | | orbital periodPs: | 0.955± 0.002d [P21g] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 17.63[MPC]
17.42 ± 0.04 [P21g] | | slope parameterG: | (0.24) [*A] | | effective diameterdE: | 1.81 km [*E] | | geometric albedo: | (0.058) [*A] | | color indexU-B: | ? | | color indexB-V: | 0.676[L18a] | | color indexV-R: | 0.429 ± 0.01 [P21g] | | color indexB-R: | 1.105 ± 0.12 [*D] | | color indexV-I: | 0.786 ± 0.054 [L18a] | | taxonomic type: | L? (SMASSII) [P21g] | | massm: | ? | | densityρ: | (1.3 g/cm3) [*A] | | Hill radiusrH: | 150 km [*E] |
other data, primary: | diameterdp: | 1.76 km [*E] | | axial ratiosa/b, b/c: | 1.1, ? [*E] | | rotation periodRPp: | 3.463± 0.0008h [P21g] | | amplitude in mag., rotationalΔM: | 0.08 [P21g] | | amplitude in mag., mutual eventsΔM: | 0.085 ±0.025 [P21g] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.41km [*E] | | axial ratiosa/b, b/c: | 1.4;? [] | | diameter ratiods/dp: | 0.23± 0.02 [P21g] | | component mag. differenceΔM: | 3.2± 0.2 [*D] | | rotation periodRPs: | 22.92± 0.05h [P21g] | |
|
--(326732) Nice --discovery and notes:
Primary discovered2003 Apr 25from Anderson Mesa Station, Flagstaff, Arizona, USAby LONEOS Program.Alternate designation(s):2003 HB6.Linked to prediscovery observations from 2003 Mar 26.Permanent number assigned 2012 May 06.
Named 2025 Feb 24 for the city of Nice, France.
Companion discovered2021 Aug 10 by P. Pravec, K. Hornoch, H. Kucakova, P. Kusnirak, P. Fatka, E. Jehin, M. Ferrais, M. Devogele, T. Kareta, and N. Moskovitzusinglightcurve observations from Ondrejov Observatory, Czech Republic; La Sille Station, European Southern Observatory, Chile.Announced2021 Sep 18 [P21g].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2021, 2025by Wm. Robert Johnston.
Last modified8 March 2025.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
[8]ページ先頭