Oracle
In what year is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
Answer
2,061
2061 uint256
- year
- The four-digit Gregorian calendar year of the next predicted perihelion date.
- sources
- www.nasa.gov, en.wikipedia.org, nasa jet propulsion laboratory (jpl) small-body database / nasa solar system exploration: halley's comet last reached perihelion on 1986-02-09 and, with an orbital period of approximately 75-76 years, is next expected at perihelion in 2061., nasa jet propulsion laboratory (jpl) small-body database / solar system dynamics — halley's comet next perihelion passage projected for 28 july 2061, nasa jet propulsion laboratory (jpl) small-body database entry for 1p/halley, which lists the next perihelion passage as 2061-07-28; corroborated by nasa science and britannica references stating halley's comet will next reach perihelion in 2061., nasa jet propulsion laboratory (jpl) solar system dynamics, halley's comet (1p/halley) fact sheet, and wikipedia's halley's comet article, both stating next perihelion passage is 28 july 2061, nasa jet propulsion laboratory small-body database / solar system dynamics group (ssd.jpl.nasa.gov) entry for 1p/halley, which gives an orbital period of ~75.3 years with last perihelion on 1986-02-09, placing next perihelion in 2061, nasa jet propulsion laboratory solar system dynamics / small-body database for 1p/halley: last perihelion 1986-02-09, orbital period ~75.3 years, next perihelion predicted 2061-07-28, nasa jet propulsion laboratory solar system dynamics, small-body database entry for 1p/halley (ssd.jpl.nasa.gov), which lists the next perihelion passage as 2061-07-28, nasa jpl small-body database (1p/halley) - next perihelion passage projected for 2061, following the 1986 apparition and ~76-year orbital period, nasa jpl small-body database (1p/halley) - next perihelion passage projected for 28 july 2061, nasa jpl small-body database (1p/halley) — next perihelion passage predicted for 2061-07-28, nasa jpl small-body database (halley's comet, 1p/halley) and encyclopaedia britannica both state the last perihelion was in 1986 and the next is expected in 2061, nasa jpl small-body database (halley's comet, 1p/halley) and general astronomical references, which give the next perihelion passage as 2061, nasa jpl small-body database (halley's comet, 1p/halley) orbital elements and perihelion predictions, https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1p, nasa jpl small-body database (ssd.jpl.nasa.gov) / nasa solar system exploration, halley's comet orbital period ~76 years, last perihelion 1986-02-09, next perihelion predicted 2061-07-28, nasa jpl small-body database (ssd.jpl.nasa.gov) entry for 1p/halley, which lists the comet's last perihelion passage on 1986-02-09 and an orbital period of approximately 75.3 years, placing the next perihelion passage in 2061., nasa jpl small-body database (ssd.jpl.nasa.gov) entry for comet 1p/halley, nasa jpl small-body database (ssd.jpl.nasa.gov) for 1p/halley, which gives an orbital period of approximately 76 years with last perihelion on 1986-02-09, placing next perihelion in 2061, nasa jpl small-body database / nasa science: halley's comet last reached perihelion on 1986-02-09 and is next expected at perihelion in 2061, nasa jpl small-body database / nasa solar system exploration (halley's comet page), which give an orbital period of ~76 years with last perihelion in february 1986 and next perihelion predicted for 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet (1p/halley) orbital period ~76 years, last perihelion 1986-02-09, next perihelion predicted 2061-07-28, nasa jpl small-body database / nasa solar system exploration: halley's comet is expected to next reach perihelion on 28 july 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet last perihelion 1986-02-09, next perihelion expected 2061-07-28 (orbital period ~76 years), nasa jpl small-body database / nasa solar system exploration: halley's comet last reached perihelion on 1986-02-09 and has an orbital period of approximately 76 years, placing its next perihelion around 2061-07-28., nasa jpl small-body database / nasa solar system exploration: halley's comet last reached perihelion on 1986-02-09 and, with an orbital period of approximately 75-76 years, is next expected at perihelion in 2061., nasa jpl small-body database / nasa solar system exploration: halley's comet next perihelion 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet, last perihelion 1986-02-09, orbital period ~76 years, next perihelion projected 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet, with an orbital period of ~76 years, last reached perihelion on 1986-02-09 and is next expected at perihelion in 2061, nasa jpl small-body database / solar system dynamics: halley's comet (1p/halley) orbital period ~75.3 years, last perihelion 1986-02-09, next perihelion predicted 2061-07-28, nasa jpl small-body database browser (ssd.jpl.nasa.gov) for 1p/halley, next perihelion passage listed as 2061-07-28, nasa jpl small-body database lookup, 1p/halley (https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1p) — orbital elements yield next perihelion passage 2061-07-28, nasa jpl solar system dynamics (ssd.jpl.nasa.gov) periodic comet catalog for 1p/halley, and britannica's entry on halley's comet, both giving next perihelion passage as 2061, nasa jpl solar system dynamics / halley's comet apparition history (1986 perihelion + ~76 year orbital period = 2061), nasa jpl solar system dynamics / nasa science: halley's comet last perihelion 9 feb 1986, orbital period ~76 years, next perihelion expected 2061, nasa jpl solar system dynamics / nasa science: halley's comet, https://science.nasa.gov/solar-system/comets/1p-halley/ - last perihelion was 1986-02-09, orbital period ~75-76 years, next perihelion predicted 2061-07-28, nasa jpl solar system dynamics / nasa science: halley's comet, last perihelion 1986-02-09, next perihelion expected 2061-07-28, nasa jpl solar system dynamics / nasa science: halley's comet, orbital period ~76 years, last perihelion 1986-02-09, next perihelion expected 2061, nasa jpl solar system dynamics / small-body database entry for 1p/halley (ssd.jpl.nasa.gov/sbdb.cgi?sstr=1p), which lists the comet's next perihelion passage as 2061-07-28; corroborated by nasa science's halley's comet overview page (science.nasa.gov/solar-system/comets/1p-halley), which states the comet last passed perihelion in 1986 and, with its ~76-year orbital period, is expected to return in 2061, nasa jpl solar system dynamics / small-body database entry for 1p/halley, and wikipedia's halley's comet article, both state the next perihelion passage is expected in 2061, nasa jpl solar system dynamics / small-body database for 1p/halley, which lists 1986 as the last perihelion passage and the next predicted perihelion in 2061, nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/): states that halley will return in 2061; nasa ntrs table 1-1 lists the 2061 perihelion date as july 29., nasa science: https://science.nasa.gov/solar-system/comets/1p-halley/ (return in 2061); nasa ntrs, halley's comet perihelion dates, table 1-1: https://ntrs.nasa.gov/api/citations/19830027693/downloads/19830027693.pdf (2061 jul. 29)., nasa solar system exploration (https://science.nasa.gov/solar-system/comets/1p-halley/) and nasa/jpl small-body database, both stating halley's comet last passed perihelion in 1986 and is next expected at perihelion in 2061, nasa solar system exploration / jpl small-body database (halley's comet, 1p/halley) — next perihelion predicted 2061-07-28, following prior perihelion in 1986, nasa solar system exploration / jpl small-body database (halley's comet, 1p/halley): last perihelion 1986, orbital period ~75-76 years, next perihelion 2061, nasa solar system exploration / jpl small-body database entry for 1p/halley, which give the comet's last perihelion date (1986-02-09) and orbital period (~75.3 years), placing the next perihelion in 2061, nasa solar system exploration / jpl small-body database: halley's comet (1p/halley) has an orbital period of ~76 years and last reached perihelion on 1986-02-09; the next perihelion passage is predicted for 2061., nasa solar system exploration / jpl small-body database: halley's comet (1p/halley) last reached perihelion on 1986-02-09 and is predicted to next reach perihelion in 2061 (orbital period ~76 years), nasa solar system exploration / jpl small-body database: halley's comet (1p/halley) last reached perihelion on 9 february 1986 and, with an orbital period of approximately 76 years, is next expected at perihelion in 2061 (28 july 2061), nasa solar system exploration / jpl small-body database: halley's comet, last perihelion 1986-02-09, orbital period ~75.3 years, next perihelion 2061, nasa/jpl small-body database (1p/halley) and nasa solar system exploration comet fact sheet, both stating the next perihelion passage is in 2061, nasa/jpl small-body database (1p/halley) — last perihelion 1986-02-09, orbital period ~75.3 years, next perihelion projected 2061-07-28, nasa/jpl small-body database and nasa solar system exploration fact sheet for 1p/halley, which give the next perihelion date as 2061-07-28, nasa/jpl solar system dynamics (ssd.jpl.nasa.gov) and nasa science pages state halley's comet's next perihelion passage is expected in 2061., nasa/jpl solar system dynamics (ssd.jpl.nasa.gov) orbital data for comet 1p/halley, corroborated by nasa science / britannica references, place its next perihelion passage in 2061, following its previous perihelion in 1986., nasa/jpl solar system dynamics (ssd.jpl.nasa.gov) small-body database entry for 1p/halley, and nasa science's halley's comet fact sheet (science.nasa.gov/solar-system/comets/1p-halley), both of which give a perihelion passage in 1986 and an orbital period of approximately 75-76 years, placing the next perihelion in 2061., nasa/jpl solar system dynamics data confirms halley's comet's last perihelion was february 9, 1986, and its orbital period of approximately 75-76 years places its next perihelion in 2061., nasa/jpl solar system dynamics — halley's comet (1p/halley) next perihelion passage projected for 2061, following its ~76-year orbital period and last perihelion in 1986, ntrs.nasa.gov, science.nasa.gov, www.esa.int
Work
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#11932,061from www.nasa.gov
#12512,061from www.nasa.gov
#17052,061from science.nasa.gov
#10172,061NASA JPL Solar System Dynamics / NASA Science: Halley's Comet last perihelion 9 Feb 1986, orbital period ~76 years, next perihelion expected 2061
#742,061from en.wikipedia.org212 more
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