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Topic: 25 Phocaea


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  Phocaea group
A cluster of asteroids in the main asteroid belt that were perturbed into high inclination (21 to 25°) orbits by the gravitational effect of the major planets, notably Jupiter, during the earliest period of solar system.
The group is named after its first discovered member, (25) Phocaea, found in 1853 by the French astronomer Jean Chacornac (1823-1873), although its largest member is the C-class asteroid (105) Artemis, with a diameter of 126 km.
Most of the Phocaea group is a ragbag assemblage of objects without a common ancestry; however, certain members, including (323) Brucia, (852) Wladilena, and (1568) Aisleen, may form a true Hirayama family.
www.daviddarling.info /encyclopedia/P/Phocaea_group.html   (183 words)

  
 [No title]
Nysa asteroids have a semi-major axis between 2.41 AU and 2.5 AU, an eccentricity between 0.12 and 0.21, and an inclination between 1.5° and 4.3°.
Maria asteroids have a semi-major axis between 2.5 AU and 2.706 AU and an inclination between 12° and 17°.
Phocaea asteroids, with a mean orbital radius between 2.25 AU and 2.5 AU, an eccentricity greater than 0.1, and inclination between 18° and 32°.
www.thrushobservatory.org /minor/what_are.htm   (2129 words)

  
 [No title]
Phocaea On Monday evening Oct 2 at 20:51EDT (Oct 3 at 00:51 UT), the 75 km diameter asteroid (25) Phocaea will occult an 8.8 mag star in the constellation Pegasus for observers along a path from Hudson Bay, across eastern Ontario, north-eastern New York State and southward to the Maryland-Delaware region.
In the case of an occultation, the combined light of the asteroid and the star will drop by 1.6 mag to 10.1 mag (the magnitude of the asteroid) for at most 6.3 seconds.
IOTA will be holding its Annual General Meeting this weekend at Mt. Cuba Observatory near Wilmington, Delaware, which is on the centreline for the Phocaea occultation.
starlightcascade.ca /occultations/phocaea.txt   (645 words)

  
 Minor planet - Wikipedia Mirror US   (Site not responding. Last check: 2007-10-08)
It apparently also includes a group called the Main Belt I asteroids which have a mean orbital radius between 2.3 AU and 2.5 AU and an inclination of less than 18°.
Main Belt IIa asteroids which have a mean orbital radius between 2.5 AU and 2.706 AU and an inclination less than 33°.
There are several known objects in the 2:1 resonance, unofficially dubbed "twotinos," with a mean orbital radius of 47.7 AU and an eccentricity of 0.37.
www.wiki-mirror.us /index.php/Minor_planet   (2328 words)

  
 Amazon.com: Phocaea: Books   (Site not responding. Last check: 2007-10-08)
Philistine 38, 331 Philistia 38, 38/3, 45/.3 Phnom Penh 251/.3 Phocaea 40/2,41/4 Phocis 41/3 Phoenicia 38.39, 38/2, 38/3, 39, 45/3, 331...
Eski Foa, the ancient Phocaea, was founded before 600 BC and flourished dur- ing the...
Cacus and Xanthus are all rivers in the region of Phocaea, the city from which Marseilles was originally founded; the less...
www.amazon.com /s?ie=UTF8&keywords=Phocaea&tag=httpexplaguid-20&index=books&link_code=qs&page=1   (904 words)

  
 [No title]
The prediction distributed yesterday included only a few (on one night) of the accurate observations that are now available for the occultation of (25) Phocaea on Tuesday evening, May 12th (local; May 13th UT).
I assume the remaining uncertainty (error in the position of the star and uncertainty of the orbit) to be 0.13" or 1.5 path widths.
Central line for an occultation by (25) Phocaea (25) Phocaea occults SAO 139602 (RA 13 52 59.244 Dec - 7 43 48.49) orbit from USNO and Tbl.
www.anomalies.com /iotaweb/iota/occ_info/old_info/phocinfo.htm   (683 words)

  
 Asteroid_News.htm
Phocaea was discovered by J. Chacornac on Marseilles on April 6, 1853.
Brian Cudnick (observer # 6) reported seeing a possible "twinkle" event from his location, indicating a possible graze by the asteroid, however since his location was south of the known southern limit, his observation was likely the result of seeing conditions or scintillation effects.
The 11.7 occultation was the maximum expected for 34 Circe due to its previously estimated size, thus a 25 mile north shift in the path had occurred.
weblore.com /richard/Asteroid_Profiles.htm   (5208 words)

  
 RASNZ Occultation Section - Phocaea Occultation Update
OCCULTATION BY (25) PHOCAEA - 2005 MAR 15
On 2005 Mar 15 UT, the 75 km diameter asteroid (25) Phocaea will occult a 11.4 mag star in the constellation Hydra for observers along a path across Australia.
In the case of an occultation, the combined light of the asteroid and the star will drop by 1.1 mag to 12.0 mag (the magnitude of the asteroid) for at most 5.0 seconds.
occsec.wellington.net.nz /planet/2005/updates/050315_25_3047_u.htm   (650 words)

  
 IOTA Document
T.Lutz, N.Laffra, L.Palmer 0 3 0 Dunham 1982a 219 25 2 225 11 CG III 219 18 1.03.11 21 06/14/81 (9)Metis SAO 184440 8.0 Burakan, Armenia R. Vardanian, Abrahamia 1 1 0 Vardanian et al.
1983 232 12 5 214 a3 cf ii 222 9 0.92.05 25 03/23/82 (386) bd +6 843 11.0 washington e.
chabaudie 1 1 0 marsden 1983 171 25 2 226 a3 g i 1.32.15 la seyne s.m.&caussols dunham 1983a 35 03/11/83 (19) fortuna sao 93315 8.0 czechoslovakia,gfr hutta, jehlicka, palzer 0 3 0 dunham and bode 1984 149?
www.lunar-occultations.com /iota/asteroids/obserlst.htm   (7036 words)

  
 Asteroid_News.htm
Phocaea was discovered by J. Chacornac on Marseilles on April 6, 1853.
Brian Cudnick (observer # 6) reported seeing a possible "twinkle" event from his location, indicating a possible graze by the asteroid, however since his location was south of the known southern limit, his observation was likely the result of seeing conditions or scintillation effects.
The 11.7 occultation was the maximum expected for 34 Circe due to its previously estimated size, thus a 25 mile north shift in the path had occurred.
www.weblore.com /richard/Asteroid_Profiles.htm   (5208 words)

  
 LVAAS Online Forum :: View topic - Asteroidal Occultation (Phocaea) to occur evening of Oct. 2
On 2006 Oct 03 UT, the 75 km diameter asteroid (25) Phocaea will occult a 8.8 mag star in the constellation Pegasus for observers along a path through eastern Pennsylvania.
With the video camera hook-up to my 10" LX200 Classic, we were able to see the Asteroid 25 Phocaea approach the star and then dim the light as it was hidden by the small body.
Phocaea is about 75 km wide and was 1.02 AU away when we made the observation.
lvaas.net /phpbb/viewtopic.php?p=1058   (947 words)

  
 euraster.net - 2002 European Asteroidal Occultation Results
17 : (493) Griseldis, (345) Tercidina, 14 : (25) Phocaea, (143) Adria
29 : (4413) Mycerinos, 25 : (1819) Laputa, 24 : (76) Freia, 14 : (79) Eurynome,
dmin=0.034" N ± 0.040" at 21:14:00.3 ± 5s from 25 CCD images.
www.euraster.net /results/2002   (1833 words)

  
 25 Phocaea - Uiquipedia
25 Phocaea ye l'asteroide númberu 25 de la serie, descubiertu pol astrónomu francés Jean Chacornac (1823-1873) dende Marsella el 6 d'abril de 1853; ye de clas S, con un diámetru de 72 km.
El nome vien de Phocaea (ciudá), nome en griegu de l'antigua ciudá griega del Asia Menor.
Esti asteroide da orixe al grupu Phocaeas, coles siguientes carauterístiques:
ast.wikipedia.org /wiki/25_Phocaea   (128 words)

  
 The McMillin Fellowships   (Site not responding. Last check: 2007-10-08)
Coddington would also make significant contributions to the study of both comets and asteroids.
In subsequent years he would discover and/or work out the orbital elements for asteroids (439), 1898 EC, 1899 EX, Comet 1989 VIII (Chase), asteroids (25) Phocaea, (101) Helena, (105) Artemis, (139) Juewa, (169) and (334).
He would also make significant contributions to the study of double stars all while in residence at Lick Observatory in California.
www.phy.ilstu.edu /~wenning/mcmillin/fellowship.html   (244 words)

  
 Occultations archive
Occultation of 11.9 mag star by (25) Phocaea on Jan. 22
Occultation of 9.3 mag star by (1330) Spiridonia on Jan. 25
Occultation of 10.9 mag star by (25) Phocaea on Oct. 8
hea.iki.rssi.ru /~denis/occultations.html   (1073 words)

  
 IOTA Meeting 2006
This location was chosen to coincide with the favorable asteroid occultation of 25 Phocaea in the evening of October 3, 2006, the day after the meeting.
With these events, the meeting adjourned around 6:30 PM and the attendees made station plans for the 25 Phocaea asteroid event the following night.
Post meeting: The Phocaea event was observed at 16 stations and a very interesting chord was obtained by Brad Timerson who was on the western path limit.
www.weblore.com /richard/IOTAMeeting2006.htm   (4032 words)

  
 Photometry of occultation by (25) Phocaea on UT Oct 3, 2006
Photometry of occultation by (25) Phocaea on UT Oct 3, 2006
On October 3, 2006, asteroid (25) Phocaea occulted the bright star SAO 108610.
But, with the information at hand, it's really hard to know what happened.
spiff.rit.edu /richmond/occult/phocaea_oct2006/phocaea_oct2006.html   (812 words)

  
 Solar System
for observing 25 or more asteroids in two or more positions.
I had begun my Sunspotter's certificate even earlier, and completed the observations before I had even started observing asteroids, but the asteroid program was one that I had wanted to start for a long time.
Nevertheless, I thank you for the hard work you put into discovering this object in the first place.
home.earthlink.net /~ngc5139/SCI/solarsystem.html   (2787 words)

  
 day_four
Oh well, the project turned out to be a success in the end.
We concluded that the radius of the asteroid orbit was about 1.7, and in actuality, the radius of the asteroid 25 Phocaea is recorded as being 1.8--pretty darn close.
Hey, it's better than what the original verdict had been.
laastro.lanl.gov /earthwatch/02/amanda/day_four.htm   (1274 words)

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