55 Pandora: Difference between revisions
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| image = 55Pandora (Lightcurve Inversion).png | | image = 55Pandora (Lightcurve Inversion).png | ||
| image_scale = | | image_scale = | ||
| caption = [[ | | caption = [[Light curve]]–based 3D model of Pandora | ||
| discoverer = [[George Mary Searle]] | | discoverer = [[George Mary Searle]] | ||
| discovered = September 10, 1858 | | discovered = September 10, 1858 | ||
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| mp_category = [[Main belt]] | | mp_category = [[Main belt]] | ||
| orbit_ref = <ref name="JPL" /> | | orbit_ref = <ref name="JPL" /> | ||
| epoch = | | epoch = May 5, 2025 | ||
| semimajor = {{convert|2. | | semimajor = {{convert|2.758|AU|Gm|abbr=on}} | ||
| perihelion = {{convert|2. | | perihelion = {{convert|2.358|AU|Gm|abbr=on}} | ||
| aphelion = {{convert|3. | | aphelion = {{convert|3.158|AU|Gm|abbr=on}} | ||
| eccentricity = 0. | | eccentricity = 0.145 | ||
| period = 4.58 [[Julian year (astronomy)|yr]] (1, | | period = 4.58 [[Julian year (astronomy)|yr]] (1,673 d) | ||
| inclination = 7. | | inclination = 7.176° | ||
| asc_node = 10. | | asc_node = 10.287° | ||
| arg_peri = | | arg_peri = 4.996° | ||
| mean_anomaly = | | mean_anomaly = 114.416° | ||
| dimensions = | | dimensions = {{val|84.8|2.5}} km<ref name="JPL" /> | ||
| mass = 3.1{{e|17}} kg | | mass = 3.1{{e|17}} kg{{citation needed|date=September 2025}} | ||
| density = | | density = | ||
| rotation = 4. | | rotation = 4.804 h<ref name="JPL" /> | ||
| spectral_type | | spectral_type = [[Tholen classification|Tholen]] {{=}} [[M-type asteroid|M]]<ref name=JPL/><ref name=Britt2014/><br/>[[SMASS classification|SMASS]] {{=}} [[X-type asteroid|X]]<ref name=JPL/> | ||
| abs_magnitude = 7. | | abs_magnitude = 7.84<ref name="JPL" /> | ||
| albedo = 0. | | albedo = 0.204<ref name="JPL" /> | ||
}} | }} | ||
'''55 Pandora''' is a fairly large and | '''55 Pandora''' is a fairly large and relatively bright [[asteroid]] in the [[asteroid belt]]. Pandora was discovered by American astronomer and Catholic priest [[George Mary Searle]] on September 10, 1858, from the [[Dudley Observatory]] near [[Albany, New York]].<ref name="IAU_MPC"/> It was his only asteroid discovery. | ||
It is named after [[Pandora]], the first woman in [[Greek mythology]], who unwisely opened a box that released evil into the world. The name was apparently chosen by Blandina Dudley, widow of the founder of the [[Dudley Observatory]], who had been involved in an acrimonious dispute with astronomer [[B. A. Gould]]. Gould felt that the name had an "apt significance".<ref>{{cite book|last=Schmadel|first=Lutz D.|title=Dictionary of Minor Planet Names|url=https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA20|year=2003|publisher=Springer Science & Business Media|isbn=978-3-540-00238-3|page=20}}</ref> The asteroid shares its name with [[Pandora (moon)|Pandora]], a [[moons of Saturn|moon of Saturn]]. | It is named after [[Pandora]], the first woman in [[Greek mythology]], who unwisely opened a box that released evil into the world. The name was apparently chosen by Blandina Dudley, widow of the founder of the [[Dudley Observatory]], who had been involved in an acrimonious dispute with the director of the observatory, astronomer [[B. A. Gould]].{{dubious|date=September 2025|Dispute between Blandina Dudley and Gould?}} Gould felt that the name had an "apt significance".<ref>{{cite book|last=Schmadel|first=Lutz D.|title=Dictionary of Minor Planet Names|url=https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA20|year=2003|publisher=Springer Science & Business Media|isbn=978-3-540-00238-3|page=20}}</ref> The asteroid shares its name with [[Pandora (moon)|Pandora]], a [[moons of Saturn|moon of Saturn]]. | ||
This object is orbiting the [[Sun]] with a [[orbital period|period]] of 4.58 years, a [[ | This object is orbiting the [[Sun]] with a [[orbital period|period]] of 4.58 years, a [[semi-major axis]] of {{Val|2.76|ul=AU}}, and an [[orbital eccentricity|eccentricity]] of 0.15. Its [[orbital plane]] lies at an angle of 7.2° to the [[plane of the ecliptic]]. [[Photometry (astronomy)|Photometric]] observations of this asteroid at the [[Rozhen Observatory]] in [[Bulgaria]] during 2010 gave a [[light curve]] with a period of 4.7992 hours and a brightness variation of ''Δm''=0.22 [[Magnitude (astronomy)|mag]]. This is consistent with a period of 4.804 hours and an amplitude of 0.24 obtained during a 1977 study.<ref name="Radeva2011"/> It has a cross-sectional size of {{Convert|84.8|km|mi|1|sp=us}}.<ref name="JPL"/> | ||
= | |||
==References== | ==References== | ||
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| publisher = [[NASA Jet Propulsion Laboratory]] | | publisher = [[NASA Jet Propulsion Laboratory]] | ||
| url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=55 | | url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=55 | ||
| access-date= | | access-date= 10 September 2025}}</ref> | ||
<ref name="Radeva2011">{{Citation | <ref name="Radeva2011">{{Citation | ||
Latest revision as of 00:15, 11 September 2025
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55 Pandora is a fairly large and relatively bright asteroid in the asteroid belt. Pandora was discovered by American astronomer and Catholic priest George Mary Searle on September 10, 1858, from the Dudley Observatory near Albany, New York.[1] It was his only asteroid discovery.
It is named after Pandora, the first woman in Greek mythology, who unwisely opened a box that released evil into the world. The name was apparently chosen by Blandina Dudley, widow of the founder of the Dudley Observatory, who had been involved in an acrimonious dispute with the director of the observatory, astronomer B. A. Gould.Script error: No such module "Unsubst". Gould felt that the name had an "apt significance".[2] The asteroid shares its name with Pandora, a moon of Saturn.
This object is orbiting the Sun with a period of 4.58 years, a semi-major axis of Script error: No such module "val"., and an eccentricity of 0.15. Its orbital plane lies at an angle of 7.2° to the plane of the ecliptic. Photometric observations of this asteroid at the Rozhen Observatory in Bulgaria during 2010 gave a light curve with a period of 4.7992 hours and a brightness variation of Δm=0.22 mag. This is consistent with a period of 4.804 hours and an amplitude of 0.24 obtained during a 1977 study.[3] It has a cross-sectional size of Script error: No such module "convert"..[4]
References
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External links
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