243 إيدا
|
Galileo image of 243 Ida. The tiny dot to the right is its moon, Dactyl.
| |
| الاكتشاف | |
|---|---|
| اكتشفه | Johann Palisa |
| مكان الاكتشاف | Vienna |
| تاريخ الاكتشاف | September 29, 1884 |
| التسميات | |
تصنيف الكواكب الصغرى |
Main belt (Koronis) |
| السمات المدارية | |
| حقبة JD 2454800.5 (2008-Nov-30.0) | |
| Aphelion | 2.991 AU (4.474×1011 م) |
| Perihelion | 2.732 AU (4.087×1011 م) |
Semi-major axis |
2.862 AU (4.281×1011 م) |
| Eccentricity | 0.0452 |
Orbital period |
1,768.136 أيام (4.84089 a) |
Average orbital speed
|
0.2036 °/s |
Mean anomaly |
191.869° |
| Inclination | 1.138° |
Longitude of ascending node |
324.218° |
Argument of perihelion |
108.754° |
| Known satellites | Dactyl |
| السمات الطبيعية | |
| الأبعاد | 53.6 × 24.0 × 15.2 km |
نصف القطر المتوسط |
15.7 km |
Mean radius |
15.7 km |
| Mass | 4.2 ± 0.6 ×1016 kg |
Mean density
|
2.6 ± 0.5 g/cm3 |
Equatorial surface gravity
|
0.3–1.1 cm/s2 |
Rotation period |
4.63 ساعات (0.193 ي) |
North pole right ascension
|
168.76° |
North pole declination
|
−2.88° |
Geometric albedo |
0.2383 |
| Temperature | 200 ك (−73 °م) |
Spectral type |
S |
| 9.94 | |
243 إيدا 243 Ida يقع ضمن حزام الكويكبات الواقع بين مدارى المريخ والمشتري. اكتشف نحوسنة 1884م وصورته گاليليو(مركبة فضائية) في 28 آب - أغسطس سنة 1993م.
الخصائص الفيزيائية
Trajectory of Galileo from launch to Jupiter orbital insertion
Images from the flyby, starting 5.4 hours before closest approach and showing Ida's rotation
يبلغ طول إيدا نحو52 كيلومترا ويدور حول نفسه مرة جميع 4.6 ساعة وهوكويكب ممتلئ بالفوهات النيزيكية نتيجة الاصطدامات الحاصلة مع الكويكبات الأخرى الموجودة في حزام الكويكبات.
قمره ومداره
Highest resolution image of Dactyl, recorded while Galileo was about 3,900 km away from the moon
Diagram of potential orbits of Dactyl around Ida
الجدير بالذكر حتى للكويكب الصغير إيدا قمرا صغيرا أيضا يدور حوله.
Polished section of an ordinary chondrite meteorite
Size comparison of Ida, several other asteroids, and Mars
Successive images of a rotating Ida
السمات السطحية
Mosaic of images recorded by Galileo 3.5 minutes before its closest approach
الحفر
Asymmetric 1.5 kم (0.93 ميل) wide crater Fingal at 13.2°S, 39.9°E
المدار
Orbit and positions of Ida and five planets as ofتسعة March 2009
أنظر أيضا
- كويكب
- حزام الكويكبات
- List of geological features on 243 Ida and Dactyl
- List of minor planets
ملاحظات
-
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةRaab2002 - ^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةHolm1994 - ^ JPL 2008
- ^ Britt et al. 2002, p. 486
-
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةWilsonKeilLove1999p480 -
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةThomasBeltonCarcichChapman1996 -
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةVokrouhlickyNesvornyBottke2003p147 - ^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةSeidelmannArchinalA'HearnConrad2007p171 -
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةWilsonKeilLove1999p479 -
^ خطأ استشهاد: وسم
<ref>غير سليم؛ لا نص تم توفيره للمراجع المسماةUSGS
المصادر
- مؤمن, عبد الأمير (2006). قاموس دار الفهم الفلكي. بيروت، لبنان: دار الفهم للملايين.
- Journal articles
- Asphaug, Erik (2003). "Asteroid Interiors" (PDF). Asteroids III. Tucson: University of Arizona: 463–484. Bibcode:2002aste.conf..463A. Retrieved 2009-01-04. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Bottke, William F., Jr. (2002). "An Overview of the Asteroids: The Asteroids III Perspective" (PDF). Asteroids III. Tucson: University of Arizona: 3–15. Bibcode:2002aste.conf....3B. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Britt, D. T. (2002). "Asteroid Density, Porosity, and Structure" (PDF). Asteroids III. Tucson: University of Arizona: 485–500. Bibcode:2002aste.conf..485B. Retrieved 2008-10-27. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Chapman, Clark R. (1994). "The Galileo Encounters with Gaspra and Ida" (PDF). Asteroids, Comets, Meteors: 357–365. Bibcode:1994IAUS..160..357C. Retrieved 2008-10-27.
- Chapman, Clark R. (1994). "Asteroid 243 IDA and its satellite" (PDF). Meteoritics. 29: 455. Bibcode:1994Metic..29..455C. Retrieved 2008-10-23. Unknown parameter
|month=ignored (help); Unknown parameter|coauthors=ignored (|author=suggested) (help) - Chapman, Clark R. (1995). "Galileo Observations of Gaspra, Ida, and Dactyl: Implications for Meteoritics" (PDF). Meteoritics. 30 (5): 496. Bibcode:1995Metic..30R.496C. Retrieved 2008-10-23. Unknown parameter
|month=ignored (help) - Chapman, Clark R. (1996). "S-Type Asteroids, Ordinary Chondrites, and Space Weathering: The Evidence from Galileo's Fly-bys of Gaspra and Ida" (PDF). Meteoritics. 31: 699–725. Bibcode:1996M&PS...31..699C. Retrieved 2008-10-27. Unknown parameter
|month=ignored (help) - Chapman, Clark R. (1996). "Cratering on Ida". Icarus. 120 (1): 77–86. Bibcode:1996Icar..120...77C. doi:10.1006/icar.1996.0038. Retrieved 2008-10-27. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - D'Amario, Louis A. (1992). "Galileo trajectory design" (PDF). Space Science Reviews. 60: 23–78. Bibcode:1992SSRv...60...23D. doi:10.1007/BF00216849. Retrieved 2008-10-22. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Geissler, Paul E. (1996). "Erosion and Ejecta Reaccretion on 243 Ida and Its Moon" (PDF). Icarus. 120 (1): 140–157. Bibcode:1996Icar..120..140G. doi:10.1006/icar.1996.0042. Retrieved 2009-03-26. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Geissler, Paul E. (1996). "Ejecta Reaccretion on Rapidly Rotating Asteroids: Implications for 243 Ida and 433 Eros" (PDF). Completing the Inventory of the Solar System. Astronomical Society of the Pacific. 107: 57–67. Bibcode:1996ASPC..107...57G. Retrieved 2008-10-22. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Greenberg, Richard (1996). "Collisional and Dynamical History of Ida" (PDF). Icarus. 120 (1): 106–118. Bibcode:1996Icar..120..106G. doi:10.1006/icar.1996.0040. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Hurford, Terry A. (2000). "Tidal Evolution by Elongated Primaries: Implications for the Ida/Dactyl System" (PDF). Geophysical Research Letters. 27 (11): 1595–1598. Bibcode:2000GeoRL..27.1595H. doi:10.1029/1999GL010956. Retrieved 2008-10-25. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Lee, Pascal (1996). "Ejecta Blocks on 243 Ida and on Other Asteroids" (PDF). Icarus. 120 (1): 87–105. Bibcode:1996Icar..120...87L. doi:10.1006/icar.1996.0039. Retrieved 2008-10-27. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Mason, John W. (1994). "Ida's new moon" (PDF). Journal of the British Astronomical Association. 104 (3): 108. Bibcode:1994JBAA..104..108M. Retrieved 2008-10-23. Unknown parameter
|month=ignored (help) - Monet, A. K. B. (1994). "Astrometry for the Galileo mission. 1: Asteroid encounters" (PDF). The Astronomical Journal. 107 (6): 2290–2294. Bibcode:1994AJ....107.2290M. doi:10.1086/117036. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Owen, W. M., Jr. (1994). "The overlapping plates method applied to CCD observations of 243 Ida" (PDF). The Astronomical Journal. 107 (6): 2295–2298. Bibcode:1994AJ....107.2295O. doi:10.1086/117037. Retrieved 2009-04-03. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Petit, Jean-Marc (1997). "The Long-Term Dynamics of Dactyl's Orbit" (PDF). Icarus. 130 (1): 177–197. Bibcode:1997Icar..130..177P. doi:10.1006/icar.1997.5788. Retrieved 2008-10-25. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Seidelmann, P. Kenneth (2007). "Report of the IAU/IAG Working Group on cartographic coordinates and rotational elements: 2006" (PDF). Celestial Mechanics and Dynamical Astronomy. 98 (3): 155–180. doi:10.1007/s10569-007-9072-y. Retrieved 2009-01-12. Unknown parameter
|month=ignored (help); Unknown parameter|coauthors=ignored (|author=suggested) (help) - Sullivan, Robert J. (1996). "Geology of 243 Ida" (PDF). Icarus. 120 (1): 119–139. Bibcode:1996Icar..120..119S. doi:10.1006/icar.1996.0041. Retrieved 2008-10-27. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Thomas, Peter C. (1996). "The shape of Ida". Icarus. 120 (1): 20–32. Bibcode:1996Icar..120...20T. doi:10.1006/icar.1996.0033. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Vokrouhlicky, David (11 September 2003). "The vector alignments of asteroid spins by thermal torques" (PDF). Nature. 425 (6954): 147–151. Bibcode:2003Natur.425..147V. doi:10.1038/nature01948. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Wilson, Lionel (1999). "The internal structures and densities of asteroids" (PDF). Meteoritics & Planetary Science. 34 (3): 479–483. Bibcode:1999M&PS...34..479W. Retrieved 2008-10-22. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Zellner, Ben (1985). "The eight-color asteroid survey: Results for 589 minor planets". Icarus. 61 (3): 355–416. Bibcode:1985Icar...61..355Z. doi:10.1016/0019-1035(85)90133-2. Unknown parameter
|month=ignored (help); Unknown parameter|coauthors=ignored (|author=suggested) (help)
- Books
- Berger, Peter (2003). "The Gildemeester Organisation for Assistance to Emigrants and the expulsion of Jews from Vienna, 1938–1942". In Gourvish, Terry (ed.). . Cambridge, UK: Cambridge University Press. ISBN .
- Carroll, Bradley W. (1996). An Introduction to Modern Astrophysics. Addison-Wesley Publishing Company. ISBN . Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Greeley, Ronald (2001). The Compact NASA Atlas of the Solar System. Cambridge, UK: Cambridge University Press. ISBN . Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Lewis, John S. (1996). Mining the Sky: Untold Riches from the Asteroids, Comets, and Planets. Reading, MA: Addison-Wesley. ISBN .
- Pausanias (1916). . Translated by Jones, W. H. S. & Omerod, H. A. Loeb Classical Library. ISBN .
- Ridpath, John Clark (1897). . Encyclopedia Publishing.
- Schmadel, Lutz D. (2003). "Catalogue of Minor Planet Names and Discovery Circumstances". Dictionary of minor planet names. IAU commission. 20. Springer. ISBN .
- Slivan, Stephen Michael (1995). . Massachusetts Institute of Technolocy. OCLC 32907677. Retrieved 2009-04-10. Unknown parameter
|month=ignored (help) - Thomas, Peter C. (28 May 2004). "Tectonics of Small Bodies" (PDF). Planetary Tectonics. Cambridge Planetary Science. 11. Cambridge University Press. ISBN . Retrieved 2008-11-29. Unknown parameter
|coauthors=ignored (|author=suggested) (help)
- Other
- Belton, Michael J. S. (12 March 1994). "1993 (243) 1". IAU Circular. International Astronomical Union (5948). Bibcode:1994IAUC.5948....2B. Unknown parameter
|coauthors=ignored (|author=suggested) (help) - Byrnes, Dennis V. (1994). "Solving for Dactyl's Orbit and Ida's Density". The Galileo Messenger. NASA (35). Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Chapman, Clark R. (1994). "First Galileo image of asteroid 243 Ida" (PDF). Abstracts of the 25th Lunar and Planetary Science Conference. Lunar and Planetary Institute: 237–238. Bibcode:1994LPI....25..237C. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Cowen, Ron (2 October 1993). "Close-up of an asteroid: Galileo eyes Ida". 144 (14). Science News. p. 215. ISSN 0036-8423.
- Cowen, Ron (1 April 1995). "Idiosyncrasies of Ida—asteroid 243 Ida's irregular gravitational field" (PDF). 147 (15). Science News. p. 207. ISSN 0036-8423. Retrieved 2009-03-26.
- Greeley, Ronald (1994). "Morphology and Geology of Asteroid Ida: Preliminary Galileo Imaging Observations" (PDF). Abstracts of the 25th Lunar and Planetary Science Conference. Lunar and Planetary Institute: 469–470. Bibcode:1994LPI....25..469G. Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Green, Daniel W. E. (26 September 1994). "1993 (243) 1 = (243) Ida I (Dactyl)". IAU Circular. International Astronomical Union (6082). Bibcode:1994IAUC.6082....2G.
- Holm, Jeanne (1994). "Discovery of Ida's Moon Indicates Possible "Families" of Asteroids". The Galileo Messenger. NASA (34). Retrieved 2008-10-23. Unknown parameter
|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - Raab, Herbert (2002). "Johann Palisa, the most successful visual discoverer of asteroids" (PDF). Meeting on Asteroids and Comets in Europe. Retrieved 2008-10-23.
- Sárneczky, K (2002). Global' Tectonism on Asteroids?" (PDF). 33rd Annual Lunar and Planetary Science Conference. Bibcode:2002LPI....33.1381S. Retrieved 2008-10-22. Unknown parameter
|month=ignored (help); Unknown parameter|coauthors=ignored (|author=suggested) (help) - Stooke, P. J. (1997). "Reflections on the Geology of 243 Ida" (PDF). Lunar and Planetary Science XXVIII: 1385–1386. Retrieved 2008-11-29.
- "JPL Small-Body Database Browser: 243 Ida". Jet Propulsion Laboratory. 25 August 2008.
- "Images of Asteroids Ida & Dactyl". National Aeronautics and Space Administration. 23 August 2005. Retrieved 2008-12-04.
- "Gazetteer of Planetary Nomenclature: Ida". United States Geological Survey Astrogeology Research Program. Retrieved 2009-04-15.
وصلات خارجية
 |
مشاع الفهم فيه ميديا متعلقة بموضوع 243 Ida. |
- Orbital simulation from JPL (Java) / Ephemeris
