Movatterモバイル変換


[0]ホーム

URL:


Asteroids with Satellites Database--Johnston's Archive

(523625) 2008 DG17

compiled by Wm. Robert Johnston
last updated30 September 2018

--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


orbital data, primary (osculating elements)[JPL]:

semimajor axisa:1.837644959 AU
orbital periodP:2.491154217 yr
(= 909.8940778 d)
eccentricitye:0.44947160
perihelion distanceq:1.01167574 AU
aphelion distanceQ:2.663614175 AU
inclinationi:41.111473°
argument of perihelionω:214.983904°
ascending nodeΩ:324.4053285°
mean anomalyM:170.136685°
perihelion passageTP:2013 Mar 18.98232
Epoch:2014 May 23
data arc:2008-2013(177 obs.)
Earth MOID:0.0807832 AU
Jupiter Tisserand invariantTJ:3.631

orbital data, secondary:

semimajor axisas:?
orbital periodPs:?
eccentricityes:?
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:19.7[MPC]
slope parameterG:(0.15) [*A]
effective diameterdE:0.38 km [*E]
geometric albedo:(0.16) [*A]
color indexU-B:?
color indexB-V:?
taxonomic type:?
massm:?
densityρ:(1.6 g/cm3) [*A]
Hill radiusrH:30 km [*E]

other data, primary:

diameterdp:0.38 km [*E]
rotation periodRPp:?
amplitude in mag., rotationalΔM:?
pole directionΒ, λ:?,?

other data, secondary:

diameterds:?
diameter ratiods/dp:?
component mag. differenceΔM:?
rotation periodRPs:?

--(523625) 2008 DG17 --discovery and notes:

Primary discovered2008 Feb 29from Catalina Station, Arizona, USAby Catalina Sky Survey.Permanent number assigned 2018 Sep 25.

Companion discovered2013 Feb usingradar observations.Announced2013 Feb .

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:


©2013-2014, 2018by Wm. Robert Johnston.
Last modified30 September 2018.
Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.


[8]ページ先頭

©2009-2025 Movatter.jp