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Topic: (90482) 2004 DW

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	2004 DW (Kuiper Belt object)
		2004 DW was found in images taken on Feb. 17, 2004 (nearly 74 years to the day after Pluto was discovered) by Mike Brown (CalTech), Chad Trujillo (Gemini Observatory), and David Rabinowitz (Yale) – the same team that discovered the largest known KBO, 2003 UB313.
		The diameter of 2004 DW has been put at about 1,600 km (compared with Pluto's 2,300 km) but this is only an estimate because of uncertainty in the object's albedo.
		2004 DW moves in an orbit similar to that of Pluto and is therefore classified as a plutino.
	www.daviddarling.info /encyclopedia/A/2004DW.html (185 words)

	90482 Orcus - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-11-03)
		90482 Orcus (originally known by the provisional designation 2004 DW) is a Kuiper Belt object (KBO) that was discovered by Michael Brown of Caltech, Chad Trujillo of the Gemini Observatory, and David Rabinowitz of Yale University.
		The discovery images of this object were acquired on February 17, 2004.
		Since it shares a similar size and orbit to that of Pluto, it too must be named after a deity of the underworld.
	www.arikah.net /encyclopedia/90482_Orcus (555 words)

	90482 Orcus (Site not responding. Last check: 2007-11-03)
		90482 Orcus is a Kuiper Belt object (KBO) that was discovered by Michael (Mike) E. Brown of Caltech, Chadwick (Chad) A. Trujillo of the Gemini Observatory, and David L. Rabinowitz of Yale University.
		The image of this object was first acquired on February 17, 2004.
		In accordance with IAU rules, the discoverers' suggested name of Orcus was approved and published November 22, 2004.
	www.free-download-soft.com /info/90482-orcus.html (204 words)

	Kuiper belt - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-03)
		The next diagram shows the largest objects of the Kuiper belt: Pluto with the largest plutinos: 90482 Orcus and 28978 Ixion, a few big classical objects, and two scattered objects (beyond the 1:2 resonance, in grey), notably 2003 UB thought to be the biggest trans-Neptunian object known.
		The eccentricity of the orbits is represented by the red segments (extending from perihelion to aphelion) with inclination represented on Y axis.
		2004 XR) were actually found at near ecliptic positions.
	en.wikipedia.org /wiki/Kuiper_belt (2044 words)

	February 2004
		2004 in film: The 2004 Golden Raspberries are handed out in commemoration of the low points struck last year by the motion picture industry.
		ROC presidential election, 2004: Lagging behind his rival Lien Chan in opinion polls, President Chen Shui-bian promises not to declare Taiwan independence if he is re-elected.
		ROC presidential election, 2004: Candidates Lien Chan of the Pan-Blue Coalition and President Chen Shui-bian of the Pan-Green Coalition participate in a televised debate.
	www.askfactmaster.com /February_2004 (6006 words)

	The surface of the transneptunian object 90482 Orcus (Site not responding. Last check: 2007-11-03)
		In April 2004, we obtained visible and near-infrared spectroscopy and photometry of the Transneptunian Object (TNO) 90482 Orcus (2004 DW) with the European Southern Observatory (ESO) 8-m telescopes of the Very Large Telescope (VLT) in Chile.
		This object, discovered on February 17, 2004, is one of the largest known TNOs, and it belongs to the dynamical class of Plutinos.
		The high signal-to-noise ratio visible spectrum recorded on April 11, 2004, is nearly flat, in good agreement with the BVRI photometry we obtained the same night and with photometric measurements from Rabinowitz et al.
	www.edpsciences.org /10.1051/0004-6361:20042533 (273 words)

	ruling planet (Site not responding. Last check: 2007-11-03)
		Prior to the 1990s only nine were known (all of them in our own solar system); as of 3 November, 2004, 133 are known, with all of the new discoveries being extrasolar planets, sometimes known as "exoplanets".
		Planets are thought to form from the collapsing nebula that a planet's star formed out of, aggregating from gas and dust that orbits the protostar in a dense protostellar disk before the star's core ignites and its solar wind blows the remaining material away.
		Another possible planet is 90482 Orcus, an object with an orbit and mass similar to Pluto's.
	www.33beat.com /ruling_planet.html (2723 words)

	New Kuiper Object Rivals Pluto - Bad Astronomy and Universe Today Forum
		The planetoid is called 2004 DW, and located in the Kuiper Belt, billions of kilometres from Earth.
		The team estimates that 2004 DW is 1,400 km across, but it's difficult to tell, because the size estimate comes from its brightness.
		That means it was discovered in an image taken in 2004, but perhaps not noticed until recently.
	www.bautforum.com /showthread.php?p=551513 (404 words)

	ANNUAL REPORT OF CBAT 2004 (Site not responding. Last check: 2007-11-03)
		A total of 198 IAU Circulars were issued in 2004, down slightly from the 220 published in 2003 and the 259 published in 2002.
		Fully ten supernovae were reported as brighter than mag 15 at discovery during 2004, and another 13 as brighter than mag 16; the bulk of supernovae were in the magnitude range 17-19 upon discovery.
		Comets continued in 2004 to have a standard presence in the CBAT publications, with non-spacecraft discoveries and recoveries appearing under 52 titles, and follow-up information appearing under 60 additional titles.
	cfa-www.harvard.edu /~graff/Comm6/CBATReport2004.html (1174 words)

	Nov. '04 stack 2, Major News about Minor Objects (Site not responding. Last check: 2007-11-03)
		Risk monitoring: New observations of 2004 VD17 were reported today from this morning and over the previous two days, and today both risk monitors slightly lowered their risk ratings for this object.
		When JPL today posted its first 2004 VD17 update since new observations became available early yesterday, it elevated the assessment to Torino Scale 1 (a routine alert that an object "merits special monitoring") for a single impact solution in 2091.
		And 2004 VT60 was reported from Wise Observatory in Israel from late on the 13th, when this object was still listed with impact solutions.
	www.hohmanntransfer.com /mn/0411/stak2.htm (4944 words)

	Ephemeris of Orcus 2004 DW - special purpose lists - Swiss Ephemeris - Astrodienst
		Ephemeris of Orcus 2004 DW - special purpose lists - Swiss Ephemeris - Astrodienst
		Geocentric ephemeris of Orcus (2004 DW, largest Pluto-like object), 10 day steps
		Orcus was named on 22-nov-2004 and has the number 90482.
	www.astro.com /swisseph/2004dw.htm (44 words)

	2004 DW - Great Shefford Observatory (Site not responding. Last check: 2007-11-03)
		One of the largest Kuiper belt objects so far discovered and picked up by the same team (Mike Brown, Chad Trujillo and David Rabinowitz) that found 2003 VB (unofficially named Sedna), (50000) Quaoar and 2002 AW Have a look at Mike Brown's 2004 DW page.
		To disclose the object from the background stars two long sets of images were taken, with a gap of two hours between each.
		After all the images were stacked together compensating for 2004 DW's motion each star appears as two dots, but the minor planet appears as a single dot.
	www.birtwhistle.org /Gallery2004DW.htm (139 words)

	90482 Orcus (Site not responding. Last check: 2007-11-03)
		MPEC 2004-D09 announcing the discovery but attributing it to Raymond J. Bambery, Steven H. Pravdo, Michael D. Hicks, Kenneth J. Lawrence, Daniel MacDonald, Eleanor F. Helin and Robert Thicksten / NEAT
		cs:Orcus (planetka) da:2004 DW de:2004 DW fr:90482 Orcus it:2004 DW nl:2004 DW Orcus, 90482
		Even always had to wear a cap owing to some slight affection of the mother.
	90482-orcus.geekopedia.ipupdater.com (316 words)

	Astrology \| Water Worlds \| Varuna, Sedna, Orcus, Deucalion, Huya, Neptune \| by Eric Francis
		Sedna, now in Taurus, was big news when the announcement of her discovery was given in 2004 (discovered in 2003).
		Orcus (provisional name 2004 DW, catalogue number 90482), another Plutino, was discovered in 2004, and has a 248 year orbit -- quite close to Pluto's.
		While this is an underworld god, not specifically a sea-god, it is the namesake of orca whales, sometimes called killer whales (who tend to be friendly to humans), so I'm including it.
	www.planetwaves.net /astrology/waterworlds.html (3057 words)

	Distant EKOs #41
		MPEC H21 announced the discovery of a Neptunian trojan (1:1 resonannce) by Sheppard, Trujillo, and Jewitt.
		The object 2004 UP10 is the second known Neptunian trojan (2001 QR322 being the first).
		Minor planet (90482) Orcus shows strong water ice absorption corresponding to less than 50% surface fraction for grain models 25 micron and larger.
	www.boulder.swri.edu /ekonews/issues/past/n041/html (1558 words)

	Adult Community discussion place - 2004 DW (90482) is now named Orcus
		Adult Community discussion place - 2004 DW (90482) is now named Orcus
		I just found out that plutino, 2004 DW is now named Orcus.
		: I just found out that plutino, 2004 DW is now named Orcus.
	www.asexstories.com /community/printthread.php?t=125654 (2076 words)

	Scientific Publications E. Dotto
		, Doressoundiram A., Barucci M.A. ``The surface of the Transneptunian Object 90482 Orcus'' 2005, Astron.
		``Heterogeneity/homogeneity on the TNO and Centaur surfaces'' 2004, BAAS 37, 11.08.
		, Barucci M.A. ``The Surface of the Transneptunian Object 2004 DW'' 2004, BAAS 37, 17.05.
	www.mporzio.astro.it /~dotto/pub.html (4682 words)

	1 Ceres
		Ceres is the largest known asteroid in the traditional asteroid belt between Mars and Jupiter.
		However the Kuiper belt is known to contain larger objects, including 28978 Ixion, 50000 Quaoar, (90482) 2004 DW and possibly 90377 Sedna (though many astronomers say Sedna is actually an inner Oort Cloud object).
		Pitjeva, Estimations of Masses of the Largest Asteroids and the Main Asteroid Belt From Ranging to Planets, Mars Orbiters And Landers (2004) (http://www.cosis.net/abstracts/COSPAR04/02014/COSPAR04-A-02014.pdf)
	207.150.180.135 /1_Ceres (696 words)

	Astrološke RAziskave - Lunin Forum
		Useful links in Sedna, Quaoar, Ixion, Varuna, 2004 PY42 delineation.
		like Sedna, 2004 DW and Quaoar need a solid astronomical tapestry...
		2004 SB60 Ghanima has proven to rise in challenging situations.
	www.lunin.net /forum/index.php?showtopic=5115 (1840 words)

	Asteroid Gallery
		2004 OH and 2004 PO (a relay race of minor planet discoveries made at Great Shefford)
		2004 MN4 (First minor planet to have a Torino Scale 4 Earth impact prediction)
		(90482) Orcus = 2004 DW (Large Kuiper belt object)
	www.birtwhistle.org /GalleryAsteroid.htm (391 words)

	MPEC 2004-U50 : DISTANT MINOR PLANETS (2004 NOV. 11.0 TT)
		The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
		M.P.E.C. 2004-U50 Issued 2004 Oct. 27, 20:15 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets.
		Designation (and name) Type Orbit U Last obs.
	cfa-www.harvard.edu /iau/mpec/K04/K04U50.html (73 words)

	Planet Venus (Site not responding. Last check: 2007-11-03)
		How do we incorporate information about the youngest planet recently discovered?
		- 03:45, 5 Dec 2004 (UTC)Venus can refer to many things:
		Venus: the second closest planet to the Sun in our solar system
	www.33beat.com /Planet_Venus.html (3212 words)

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