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- 69230_Hermes apoapsis "4.0208915686746E8".
- 69230_Hermes averageSpeed "20.7".
- 69230_Hermes orbitalPeriod "777.7".
- 69230_Hermes periapsis "9.3103730808852E7".
- 69230_Hermes temperature "216.0".
- 69230_Hermes absoluteMagnitude "17.5".
- 69230_Hermes abstract "69230 Hermes is an Apollo, Mars- and Venus-crosser asteroid that passed Earth at about twice the distance of the Moon on October 30, 1937. It is named after the Greek god Hermes.At the time, this was the closest known approach of an asteroid to the Earth. Not until 1989 was a closer approach (by 4581 Asclepius) observed. At closest approach, Hermes was moving 5° per hour across the sky and reached 8th magnitude.It was discovered by Karl Reinmuth in images taken on October 28, 1937. Only four days of observations could be made before Hermes became too faint to be seen in the telescopes of the day. This was not enough to calculate an orbit, and Hermes was "lost" (see lost asteroids). It thus did not receive a number, but Reinmuth nevertheless named it after the Greek god Hermes. It was the only unnumbered but named asteroid, having only the provisional designation 1937 UB.On October 15, 2003, Brian A. Skiff of the LONEOS project made an asteroid observation that, when the orbit was calculated backwards in time (by Timothy B. Spahr, Steven Chesley and Paul Chodas), turned out to be a rediscovery of Hermes. The orbit is now well known, and Hermes has been assigned sequential number 69230. In retrospect it turned out that Hermes came even closer to the Earth in 1942 than in 1937, within 1.7 Moon distances, without being observed. On October 30, 1937, it passed 0.00494 AU (739,000 km; 459,000 mi) from the Earth and on April 26, 1942, it passed 0.0042415 AU (634,520 km; 394,270 mi) from Earth.Hermes is an S-type asteroid, a classification first reported by Andy Rivkin and Richard Binzel. Radar observations led by Jean-Luc Margot at Arecibo Observatory and Goldstone in October and November 2003 showed Hermes to be a binary asteroid. The primary and secondary components have nearly identical radii of 300–450 m (980–1,480 ft), and their orbital separation is only 1200 m.".
- 69230_Hermes albedo "0.1".
- 69230_Hermes apoapsis "4.0208915686746E11".
- 69230_Hermes averageSpeed "74520.0".
- 69230_Hermes discovered "1937-10-28".
- 69230_Hermes discoverer Karl_Wilhelm_Reinmuth.
- 69230_Hermes epoch "(JD 2455800.5)".
- 69230_Hermes epoch "2011-Aug-27".
- 69230_Hermes escapeVelocity "0.72".
- 69230_Hermes formerName "1937 UB".
- 69230_Hermes orbitalPeriod "6.719328E7".
- 69230_Hermes periapsis "9.3103730808852E10".
- 69230_Hermes rotationPeriod "21.599999999999998".
- 69230_Hermes temperature "216.0".
- 69230_Hermes thumbnail Hermes_planetoid.jpg?width=300.
- 69230_Hermes wikiPageExternalLink index.html.
- 69230_Hermes wikiPageExternalLink am-69230.html.
- 69230_Hermes wikiPageExternalLink show_object?object_id=69230&commit=Show.
- 69230_Hermes wikiPageExternalLink Arecibo.asteroid.deb.html.
- 69230_Hermes wikiPageID "602905".
- 69230_Hermes wikiPageRevisionID "604387928".
- 69230_Hermes absMagnitude "17.5".
- 69230_Hermes albedo "0.1".
- 69230_Hermes altNames "1937".
- 69230_Hermes aphelion "2.6878".
- 69230_Hermes argPeri "92.692".
- 69230_Hermes ascNode "34.265".
- 69230_Hermes avgSpeed "20.7".
- 69230_Hermes bgcolour "#FFFFC0".
- 69230_Hermes caption "Recovery of Hermes on Oct. 15, 2003.".
- 69230_Hermes density "2".
- 69230_Hermes dimensions "0.3".
- 69230_Hermes discovered "1937-10-28".
- 69230_Hermes discoverer Karl_Wilhelm_Reinmuth.
- 69230_Hermes discovery "yes".
- 69230_Hermes eccentricity "0.62396".
- 69230_Hermes epoch "2011".
- 69230_Hermes escapeVelocity "2.0E-4".
- 69230_Hermes hasPhotoCollection 69230_Hermes.
- 69230_Hermes inclination "6.0684".
- 69230_Hermes mass "6.7".
- 69230_Hermes meanAnomaly "217.52".
- 69230_Hermes mpCategory List_of_Apollo_asteroids.
- 69230_Hermes mpCategory List_of_Mars-crossing_minor_planets.
- 69230_Hermes mpCategory List_of_Venus-crossing_minor_planets.
- 69230_Hermes name "69230".
- 69230_Hermes namedAfter Hermes.
- 69230_Hermes perihelion "0.62236".
- 69230_Hermes period "6.719328E7".
- 69230_Hermes physicalCharacteristics "yes".
- 69230_Hermes rotation "21.599999999999998".
- 69230_Hermes semimajor "1.655".
- 69230_Hermes singleTemperature "~216 K".
- 69230_Hermes spectralType "S".
- 69230_Hermes surfaceGrav "1.0E-4".
- 69230_Hermes subject Category:Apollo_asteroids.
- 69230_Hermes subject Category:Asteroids_named_from_Greek_mythology.
- 69230_Hermes subject Category:Astronomical_objects_discovered_in_1937.
- 69230_Hermes subject Category:Binary_asteroids.
- 69230_Hermes subject Category:Discoveries_by_Karl_Wilhelm_Reinmuth.
- 69230_Hermes subject Category:S-type_asteroids.
- 69230_Hermes type CelestialBody.
- 69230_Hermes type Planet.
- 69230_Hermes type Planet.
- 69230_Hermes type PhysicalBody.
- 69230_Hermes comment "69230 Hermes is an Apollo, Mars- and Venus-crosser asteroid that passed Earth at about twice the distance of the Moon on October 30, 1937. It is named after the Greek god Hermes.At the time, this was the closest known approach of an asteroid to the Earth. Not until 1989 was a closer approach (by 4581 Asclepius) observed. At closest approach, Hermes was moving 5° per hour across the sky and reached 8th magnitude.It was discovered by Karl Reinmuth in images taken on October 28, 1937.".
- 69230_Hermes label "(69230) Hermes".
- 69230_Hermes label "(69230) Hermes".
- 69230_Hermes label "(69230) Hermes".
- 69230_Hermes label "(69230) Hermès".
- 69230_Hermes label "(69230) Гермес".
- 69230_Hermes label "69230 Hermes".
- 69230_Hermes label "69230 Hermes".
- 69230_Hermes label "ヘルメス (小惑星)".
- 69230_Hermes sameAs Hermes_(planetka).
- 69230_Hermes sameAs (69230)_Hermes.
- 69230_Hermes sameAs (69230)_Hermes.
- 69230_Hermes sameAs (69230)_Hermès.
- 69230_Hermes sameAs 69230_Hermes.
- 69230_Hermes sameAs 69230_Hermes.
- 69230_Hermes sameAs ヘルメス_(小惑星).
- 69230_Hermes sameAs (69230)_Hermes.
- 69230_Hermes sameAs m.02vjgn.
- 69230_Hermes sameAs Q144505.
- 69230_Hermes sameAs Q144505.
- 69230_Hermes wasDerivedFrom 69230_Hermes?oldid=604387928.
- 69230_Hermes depiction Hermes_planetoid.jpg.
- 69230_Hermes isPrimaryTopicOf 69230_Hermes.
- 69230_Hermes name "69230 Hermes".