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- Q137454 subject Q19795229.
- Q137454 subject Q3919730.
- Q137454 subject Q6190144.
- Q137454 absoluteMagnitude "8.3".
- Q137454 abstract "127 Johanna is a large, dark main-belt asteroid that was discovered by French astronomers Paul Henry and Prosper Henry on November 5, 1872, and is believed to be named after Joan of Arc. It is classified as a CX-type asteroid, indicating the spectrum shows properties of both a carbonaceous C-type asteroid and a metallic X-type asteroid.A photoelectric study was performed of this minor planet in 1991 at the Konkoly Observatory in Hungary. The resulting light curve showed a synodic rotation period of 6.94 ± 0.29 hours with a brightness variation of 0.2 in magnitude. It was estimated to have an absolute magnitude of 8.459 ± 0.013 with a diameter of 96–118 km and an albedo of 0.06–0.04.Infrared observations made in 1982 at Konkoly showed a rapid variation that seemed to suggest a shorter rotation period of 1.5 hours; one of the fastest known at the time. However, an irregular shape was suggested as an alternative cause of the rapid variation. The present day established rotation period of this object is 12.7988 hours.During 2001, 127 Johanna was observed by radar from the Arecibo Observatory. The return signal matched an effective diameter of 117 ± 21 km. A larger diameter value of 123.41 ± 4.07 km was obtained from the Midcourse Space Experiment observations, with an albedo of 0.0557 ± 0.0039. A 2012 study gave a refined diameter estimate of 116.14 ± 3.93 km.".
- Q137454 albedo "0.0557".
- Q137454 apoapsis "4.38576E11".
- Q137454 averageSpeed "64512.0".
- Q137454 discovered "1872-11-05".
- Q137454 discoverer Q302840.
- Q137454 epoch "December 31, 2006 (JD2454100.5)".
- Q137454 orbitalPeriod "1.443490848E8".
- Q137454 periapsis "3.85859E11".
- Q137454 rotationPeriod "46075.68".
- Q137454 temperature "168.0".
- Q137454 thumbnail 127Johanna_(Lightcurve_Inversion).png?width=300.
- Q137454 wikiPageWikiLink Q11579.
- Q137454 wikiPageWikiLink Q14267.
- Q137454 wikiPageWikiLink Q1750705.
- Q137454 wikiPageWikiLink Q1811.
- Q137454 wikiPageWikiLink Q185981.
- Q137454 wikiPageWikiLink Q19795229.
- Q137454 wikiPageWikiLink Q2028919.
- Q137454 wikiPageWikiLink Q217208.
- Q137454 wikiPageWikiLink Q2179.
- Q137454 wikiPageWikiLink Q2314759.
- Q137454 wikiPageWikiLink Q302840.
- Q137454 wikiPageWikiLink Q3863.
- Q137454 wikiPageWikiLink Q3919730.
- Q137454 wikiPageWikiLink Q44547.
- Q137454 wikiPageWikiLink Q6190144.
- Q137454 wikiPageWikiLink Q675076.
- Q137454 wikiPageWikiLink Q7226.
- Q137454 wikiPageWikiLink Q729623.
- Q137454 wikiPageWikiLink Q754357.
- Q137454 wikiPageWikiLink Q970807.
- Q137454 absMagnitude "8.3".
- Q137454 albedo "0.0557".
- Q137454 aphelion "438.576".
- Q137454 avgSpeed "17.92".
- Q137454 discovered "1872-11-05".
- Q137454 discoverer Q302840.
- Q137454 epoch "2006-12-31".
- Q137454 name "127".
- Q137454 perihelion "385.859".
- Q137454 period "1.443490848E8".
- Q137454 rotation "46075.68".
- Q137454 singleTemperature "~168 K".
- Q137454 type Place.
- Q137454 type CelestialBody.
- Q137454 type Location.
- Q137454 type Place.
- Q137454 type Planet.
- Q137454 type Thing.
- Q137454 type Q634.
- Q137454 comment "127 Johanna is a large, dark main-belt asteroid that was discovered by French astronomers Paul Henry and Prosper Henry on November 5, 1872, and is believed to be named after Joan of Arc. It is classified as a CX-type asteroid, indicating the spectrum shows properties of both a carbonaceous C-type asteroid and a metallic X-type asteroid.A photoelectric study was performed of this minor planet in 1991 at the Konkoly Observatory in Hungary.".
- Q137454 label "127 Johanna".
- Q137454 depiction 127Johanna_(Lightcurve_Inversion).png.
- Q137454 name "127 Johanna".