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Topic: Ascending node

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Descending node

Longitude of the ascending node

Lunar node

Ecliptic

Inclination

Orbit

Synodic period

Moon

Month

Mercury (planet)

Solar system

Jupiter (planet)

Vernal equinox

Mars (planet)

Earth

	Orbital node - Wikipedia, the free encyclopedia
		The symbol of the ascending node is ☊, the astronomical and astrological symbol for the Dragon's head (Caput draconis).
		The symbol of the descending node is ☋, the astronomical and astrological symbol for the Dragon's tail (Cauda draconis).
		The lunar nodes are subject to lunar precession, which is the gradual shift westward because of the gravitational pull of the Sun upon the Moon.
	www.wikipedia.org /wiki/Ascending_node (210 words)

	* Ascending node - (Astrology): Definition (Site not responding. Last check: 2007-10-21)
		The North or the Ascending Node of the Moon.
		An Ascending Node is a crossing from south to north; and Descending Node crosses north to south...
		The inclination was 1.40 degrees and the longitude of the ascending node 103 degrees...
	www.mimihu.com /astrology/ascending_node.html (492 words)

	ascending node - definition by dict.die.net
		Ascending node (Astron.), the node at which the body is passing northerly, marked with the symbol [astascending], called the Dragon's head.
		Descending node, the node at which the body is moving southwardly, marked thus [astdescending], called Dragon's tail.
		Ascending node having, that node of the moon or a planet wherein it passes the ecliptic to proceed northward.
	dict.die.net /ascending%20node (347 words)

	Search Encyclopedia.com
		node node, in astronomy, point at which the orbit of a body crosses a reference plane.
		One reference plane that is often used is the plane of the earth's orbit around the sun (ecliptic).
		A LAN can have from two to several hundred such nodes, each separated by distances of several feet to as much as a mile, and should be distinguished from...
	www.encyclopedia.com /searchpool.asp?target=Ascending+node (500 words)

	Orbital Description
		The right ascension of the ascending node is the angle measured eastward from the Vernal Equinox to the ascending node.
		The Vernal Equinox is the Sun's apparent ascending node (marking the beginning of the Northern hemisphere's spring.
		Argument of perigee is the angle measured in the direction of satellite motion from the ascending node to perigee.
	www.mindspring.com /~n2wwd/html/body_orbital_description.html (489 words)

	node on Encyclopedia.com
		The lunar nodes are the points where the moon's line of nodes, when extended, strike the celestial sphere.
		The lunar nodes regress (move westward along the ecliptic) due to perturbations from the other bodies in the solar system, e.g., the sun and planets.
		The ascending node, when the sun appears to cross the celestial equator from south to north, is the vernal equinox ; the descending node is the autumnal equinox.
	www.encyclopedia.com /html/n1/node.asp (890 words)

	Node (Site not responding. Last check: 2007-10-21)
		In astronomy, a node is one of two points where a body's orbit crosses the ecliptic, called the ascending node (when the body is moving northward) and descending node (when the body is moving southward).
		The lunar nodes are subject to lunar precession, this is the gradually shift westard because of the gravitational pull of the Sun upon the Moon.
		In botany, a node is the place on a stem where a leaf is attached.
	www.sciencedaily.com /encyclopedia/node (283 words)

	Encyclopedia: Longitude of ascending node (Site not responding. Last check: 2007-10-21)
		For a sun-orbiting body, it is the angle formed at the sun from the First Point of Aries to the body's ascending node.
		is cartesian vector pointing towards the ascending node (i.e.
		"ascending node" is placed in the reference direction which is equivalent to setting
	www.nationmaster.com /encyclopedia/Longitude-of-ascending-node (189 words)

	Starry Night Pro Help
		The ascending node of the orbit -- the point at which the planet crosses up through the ecliptic plane -- is marked with a solid wedge.
		The ascending node of the orbit (the point at which the planet moves northward through the ecliptic plane), is marked with a solid wedge.
		The descending node of the orbit (the point at which the planet moves southward through the ecliptic plane), is marked with a hollow wedge.
	www.starrynightpro.com /help/OrbitOptions.shtml (405 words)

	Orbits
		As an orbiting body crosses the ecliptic plane going north, the node is referred to as the ascending node; going south, it is the descending node.
		The (4) argument of periapsis is the angular distance of periapsis from the ascending node.
		The ascending node is where the orbit crosses the equator in a northbound direction (i.e..
	zebu.uoregon.edu /~js/space/lectures/lec06.html (3325 words)

	Practical Astronautics
		ascending node - the point on the orbit where the spacecraft crosses the equatorial plane moving from the southern hemisphere to the northern hemisphere.
		180 degrees from the ascending node is the descending node.
		descending node - the point in the orbit where the spacecraft crosses the equatorial plane moving from the northern hemisphere to the southern hemisphere.
	www.astronautica.com /astro (1528 words)

	Binary Star Orbits
		At one node (called the ascending node) the orbiting star would be moving away from the Earth; this is the ascending node.
		The line to the ascending node is particularly important in describing the orbit.
		The angle between the ascending node and the direction towards the north celestial pole (NCP) is the position angle of the ascending node and is denoted by
	www.physics.csbsju.edu /orbit/binary.html (603 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		Local time of coverage was also different: for ascending node orbits the Northern Hemisphere was observed in the morning and the Southern Hemisphere in the afternoon, while for descending node orbits the Northern Hemisphere was observed in the afternoon and the Southern in the morning.
		These differences appeared to compensate across the scan, however, an increase in sun glint in descending node over that in ascending node on the western part of the scan was compensated by a decrease on the eastern part of the scan.
		For ascending node, afternoon orbits produced the lowest mean solar zenith angles in the Northern Hemisphere; and morning orbits produced the lowest angles for the Southern Hemisphere.
	seadas.gsfc.nasa.gov /SeaWiFS/TECH_REPORTS/vol2_abs.html (369 words)

	LUNAR CYCLES -- 1999 (Site not responding. Last check: 2007-10-21)
		I have used the astronomic almanacs to compile the geocentric longitudes of the lunar apse (indicated by perigee) and the lunar node (indicated by the ascending node) for 1900 thru 1999.
		The line of intersection of these two planes is the lunar node, one end of which is known as the ascending node (where the Moon crosses the plane of the ecliptic from south to north) and the other, the descending node (where the Moon crosses the plane of the ecliptic from north to south).
		By contrast, the lunar node (line of intersection of plane of Moon's orbit with plane of Earth's orbit) rotates counterclockwise in the plane of the Earth's orbit and moves 360° in 18.6 yr (the lunar nodal cycle).
	pbisotopes.ess.sunysb.edu /lig/Conferences/Abstracts99/Sanders/Sanders_lunar_ms.htm (2738 words)

	Orbital Elements and Astronomical Terms
		Figure 2): The angle between the plane of the orbit and the plane of the celestial equator for Earth orbiting satellites (or the plane of the ecliptic for sun orbiting satellites).
		Figure 2): The angle between the vernal equinox and the ascending node, measured counter-clockwise.
		* Right Ascension of the Ascending Node (Capital Omega in Figure 2): Another term for Longitude of the Ascending Node, It is the angle of the ascending node measured EAST of the vernal equinox along the celestial equator.
	www.physics.ncsu.edu /courses/astron/orbits.html (1217 words)

	Moon's orbit around the Earth - Bad Astronomy and Universe Today Forum
		In other words, 'behind' the descending node is the part above the ecliptic and 'behind' the ascending node is below the ecliptic, with 'behind' determined relative to the direction of orbit.
		The Moon's ascending node is given here as 125.08° on 2000 Jan. 1.50 TT.
		Its ascending node at any other time can be estimated by multiplying the number of elapsed years by -19.4.
	www.bautforum.com /showthread.php?p=260339#post260339 (1695 words)

	Glossary : Right Ascension of Ascending Node (aka n, RAAN or RA of Node) (Site not responding. Last check: 2007-10-21)
		However, by convention, only the ascending node (where the satellite crosses the equator going from south to north) is specified.
		The descending node (where the satellite crosses the equator going from north to south) is not.
		Right ascension of ascending node is an angle, measured at the center of the Earth, from the vernal equinox to the ascending node.
	www.windows.ucar.edu /glossary/glossary_RAAN.html (283 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The ascending node is the point where the satellite crosses the plane of the earth's equator from south to north.
		So the ascending node of the satellite is measured eastward, along the equator, from the vernal equinox point.
		---- 5.1.2.2 Ascending Node Precession The earth's equatorial bulge causes the plane of the orbit to shift to the east or west.
	users2.ev1.net /~mmccants/faq/Chapter-05.txt (3928 words)

	Ascending Node (Site not responding. Last check: 2007-10-21)
		The Moon (white arrow) is approaching the Ascending Node (green triangle).
		When the Moon crosses the Ascending Node its orbit is passing from below to above the plane of the Earth-Sun.
		Even though it hasn't quite crossed the Node, it is still close enough to block the Sun's light from the Earth.
	www.staylor1.com /AfricaEclipse/AfrPages/Nodes.html (98 words)

	Lunar node - Enpsychlopedia (Site not responding. Last check: 2007-10-21)
		The lunar nodes are the orbital nodes of the Moon, that is, the points where the orbit of the Moon crosses the ecliptic (which is the apparent path of the Sun across the heavens against the background stars).
		The North (or Ascending) Node is where the Moon crosses to the North of the ecliptic; the South (or Descending) Node where it crosses to the South.
		Usually only the North Node is marked in natal charts, as the South Node is by definition always exactly 180° removed, that is, it is located at the exact opposite point in the astrological chart.
	www.grohol.com /psypsych/wiki/Lunar_node (829 words)

	Basics of Space Flight Section I. The Environment of Space
		Argument of periapsis is the argument (angular distance) of the periapsis from the ascending node.
		Celestial longitude of the ascending node are the remaining elements.
		The orbital period is of interest to operations, although it is not one of the six Keplerian elements needed to define the orbit.
	www2.jpl.nasa.gov /basics/bsf5-1.html (1166 words)

	ascending node : Definition from the Online Dictionary at Datasegment.com
		A node may represent any object which is related to other objects in a conceptual structure that can be represented as a graph, the relations being represented as links between the nodes.
		[PJC] Ascending node (Astron.), the node at which the body is passing northerly, marked with the symbol [astascending], called the Dragon's head.
		[1913 Webster] Ascending latitude (Astron.), the increasing latitude of a planet.
	onlinedictionary.datasegment.com /word/ascending+node (468 words)

	Keplerian Elements
		The ascending node is the place where the satellite crosses the equator while going from the Southern Hemisphere to the Northern Hemisphere.
		The angle, from the center of the Earth, between Aries and the ascending node is called the right ascension of ascending node.
		The argument of perigee is the angle formed between the perigee and the ascending node.
	marine.rutgers.edu /mrs/education/class/paul/orbits.html (659 words)

	Ascending Node (Site not responding. Last check: 2007-10-21)
		The opposite is descending node or southbound node.
		English words defined with "ascending node": Dracontic, Dragon's head.
		Specialty definitions using "ascending node": Argument of periapsis, argument of perigee ♦ constant sunlight ratio orbit &diams; dracontic month ♦ heliosynchronous orbit &diams; nodical period &diams; orbit giving constant sunlight ratio ♦ sun-synchronous orbit &diams; time past ascending node.
	www.websters-online-dictionary.org /as/ascending+node.html (447 words)

	Ascending node - Encyclopedia, History, Geography and Biography (Site not responding. Last check: 2007-10-21)
		The ascending node is one of the orbital nodes, a point in the orbit of an object where it crosses the plane of reference from South to North in the direction of motion.
		2, below, has incorrect symbols for the argument of periapsis and the longitude of the ascending node)
		The plane of reference for the orbit of Earth's Moon is the ecliptic, thus the Moon's ascending node is one of only two places where a lunar or solar eclipse can occur.
	www.arikah.net /encyclopedia/Line_of_nodes (180 words)

	ascending node
		The point in an orbit where a body traveling from south to north crosses a reference plane, such as the plane of the ecliptic (in the case of a Solar System object) or the celestial equator.
		The opposite point in the orbit, where the body moves from north to south across the reference plane, is the descending node.
		The longitude of the ascending node is an orbital element.
	www.daviddarling.info /encyclopedia/A/ascending_node.html (144 words)

	US-PM
		EORSAT, first of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node.
		Second launch of new EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 215 degree ascending node.
		EORSAT, second of three to be stationed at 120 degree intervals on the same orbit with a 143 degree ascending node.
	www.friends-partners.org /partners/mwade/craft/uspm.htm (444 words)

	Oko
		Was intended to cover Oko constellation plane 9 - 241 degree longitude of ascending node.
		Was intended to cover Oko constellation plane 6 - 118 degree longitude of ascending node.
		Was intended to cover Oko constellation plane 1 - 272 degree longitude of ascending node.
	www.friends-partners.org /partners/mwade/project/oko.htm (1141 words)

	SCN 150-5 Right Ascension of Ascending Node (Site not responding. Last check: 2007-10-21)
		The ascending node, the point at which the satellite crosses the equator from south to north is also important.
		The ascending node orientation is given by an angle measured eastward around the equatorial plane from the X-axis or Vernal Equinox.
		Right Ascension of Ascending Node is the second of the two parameters necessary to define the orientation of the orbit plane in three dimensional space.
	classweb.coloradotech.edu /~rgess/projects/project1/raan.html (190 words)

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