northanger (northanger) wrote,

Tantalus: Apollos, PHAs & NEOs

Charles T. Kowal

Discovered the unusual asteroid/comet 2060 Chiron in 1977 {What is Chiron?}. Besides Chiron he discovered or co-discovered a number of other asteroids, including notably the Aten asteroid 2340 Hathor; the Apollo asteroids 1981 Midas, 2063 Bacchus, 2102 Tantalus, and (5660) 1974 MA; the Amor asteroids (4596) 1981 QB and (4688) 1980 WF; and the Trojan asteroids 2241 Alcathous and 2594 Acamas.


Tantalus, one of the proposed names for Pluto.

NEA classification

There are three families of NEAs: The Atens, The Apollos & The Amors.

Near-Earth object

Near-Earth objects (NEO) are asteroids, comets and large meteoroids whose orbit intersects Earth's orbit and which may therefore pose a collision danger. Due to their size and proximity, NEOs are also more easily accessible for spacecraft from Earth and are important for future scientific investigation and commercial development.

Near-Earth Object Program

The purpose of the Near-Earth Object Program is to coordinate NASA-sponsored efforts to detect, track and characterize potentially hazardous asteroids and comets that could approach the Earth. The NEO Program will focus on the goal of locating at least 90 percent of the estimated 1,000 asteroids and comets that approach the Earth and are larger than 1 kilometer (about 2/3-mile) in diameter, by the end of the next decade. In addition to managing the detection and cataloging of Near-Earth objects, the NEO Program office will be responsible for facilitating communications between the astronomical community and the public should any potentially hazardous objects be discovered.

Near-Earth Asteroid Tracking

NEAT is comprised of two autonomous observing systems at Maui Space Surveillance Site, NEAT/MSSS, and at Palomar Observatory, NEAT/Palomar. At both sites the NEAT cameras use 1.2-m (48") telescopes to find Near-Earth objects (NEOs), both Near-Earth asteroids (NEAs) and comets.

JPL Sentry System: Current Impact Risks

The following table lists potential future Earth impact events that the JPL Sentry System has detected based on currently available observations. Click on the object designation to go to a page with full details on that object. Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over the next 100 years. Whenever a potential impact is detected it will be analyzed and the results immediately published here, except in unusual cases where an IAU Technical Review is underway.

Orbital Symbolism in Astrology

To the scope and domain one must add the form of action, because an asteroid of very large eccentricity acts very differently from one with a very circular orbit. 944 Hidalgo --very eccentric-- acts in a very different way from Ceres --almost circular. Very eccentric orbits become crossers between one planetary sphere and the other, or between several spheres or domains in a row. This is an astronomical fact. It is how an asteroid moves heliocentrically. From there one follows the paradigm: if this is how it moves in the solar system, if this is how it acts astronomically, then its astrological characteristics must be an expression of this movement in scope, domain, and form of action.
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Frequently, I have come to see working with fast asteroids similar to shopping at the local market; a big open Sunday market in the main plaza is an excellent analogy of the meaning of the asteroid belt between Mars and Jupiter. Another analogy is a street scene in a play: many people in different activities sharing horizontally a common place. This is an apt astronomical description of the asteroid belt.

Death is without a doubt one of the transcendental facts of life, together with birth, sexual initiation, and marriage (this last one not so much lately!). To understand the scope of the fast asteroids, let's imagine the common social context of these experiences or events: the meaning they have is recognized by everybody, there are a series of rules of behavior or rituals expected from those that participate in them, giving and receiving support and solidarity, and society as a whole acknowledges their transcendence and contributes with social and religious ceremonies so that the individual can successfully go through them; there are public recognitions, celebrations and festivals (or parties); families get together with gestures of affection and generosity, and we are also given the right, the space, and the time for our intimacy.

Amidst this world of social cohesion maintained through a "pact" between the people, there are many elements, such as the thieve, the mentally ill, the poet, the person in love, the immature, the alcoholic, the prostitute, the car-racer, the diver, the rock singer, etc., that engage in "marginal" activities outside this order, as if wishing to break it: these are the orbit-crossers or interceptors among the fast asteroids (Phaethon, Icarus, Amor, Bacchus...), acting as "meteors" that passionately irrupt and dramatize the contingent and fragile, "chaotic" character of existence and of the supposed order, which actually is always living hand-in-hand with chaos. But somehow order always seems to assimilate the chaotic forces, and society always keeps its cohesion, the pact remains.

Missiles Hit Baghdad

by Zip Dobyns

{chart} The time of the first missile to hit Baghdad , Iraq and initiate George W. Bush's war has been given as 5:30 to 5:39 AM on March 20, 2003 , but a tentative consensus points to 5:33 , three hours later than UT. As usual, there are some dramatic asteroids in the chart, but one of the primary keys to war, Pluto, dominates the chart with a conjunction to the MC within one degree! Pluto, Scorpio, and the 8th house, like Venus, Libra, and the 7th house, symbolize the urge to share life with lasting, equalitarian relationships. Letter 7 in our astrological alphabet is air, more easily able to consciously work out compromises to achieve shared pleasure. Letter 8 is water, dealing with intense, subconscious emotions which involve trying to share physical possessions, sensuality, and power. Letter 8 wants a deep, committed relationship “till death do us part.” As a fixed side of life, it finds it hard to compromise. So, though the Libra desires often include competition, the conscious understanding of air and the ability to communicate can help interacting individuals and groups to keep working toward compromise.

more ZIPPORAH DOBYNS :: Bio : 2001 Capricorn Ingress : Asteroid Anecdotes : Zipporah Pottenger Dobyns : Zipporah : Dr. Zipporah Dobyns; world-renowned inventor of the astrological 'Zip Code'

{PHA Earth Close-Approach Table} {NEO Orbit Simulation: Tantalus} {Worknotes on the Joshua Impact Event} {PHA Close Approaches To The Earth} {List Of The Potentially Hazardous Asteroids (PHAs)} {List Of Apollo Minor Planets (by designation)} {Asbolus/Saturn crossings (25-Nov-2005} { tracks PHAs}

[04-Jun-2007| 03:56am] :: updated Chiron link, added Aten & Amor links & tags

Tags: baghdad, busch, chiron, kowal, neo, pluto, tantalus, zip

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