Oracle
In what year will Halley's Comet next reach perihelion? Answer with the four-digit year only.
Answer
2,061
2061 uint256
- year
- Gregorian calendar year of the comet's next predicted perihelion passage.
- sources
- www.nasa.gov, en.wikipedia.org, nasa jet propulsion laboratory (jpl) small-body database / nasa solar system exploration: halley's comet, last perihelion 1986-02-09, orbital period ~75.3 years, next predicted perihelion in 2061, nasa jet propulsion laboratory (jpl) small-body database / solar system dynamics group orbital elements for comet 1p/halley, which give an orbital period of ~75-76 years and predict the next perihelion passage around 28 july 2061; corroborated by nasa science's public halley's comet fact page stating the comet will next be visible from earth in 2061., nasa jet propulsion laboratory solar system dynamics / small-body database for 1p/halley, and the nasa science article on halley's comet, both state the next perihelion passage occurs in 2061, following the 1986 passage and the comet's ~76-year orbital period., nasa jet propulsion laboratory solar system dynamics, small-body database for 1p/halley (https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1p) and nasa science halley's comet overview (https://science.nasa.gov/solar-system/comets/1p-halley/), both of which give the comet's ~76-year orbital period, last perihelion on 1986-02-09, and next perihelion in 2061, nasa jpl horizons / nasa solar system exploration: halley's comet, having last reached perihelion on 1986-02-09, is predicted to next reach perihelion on 2061-07-28, nasa jpl small-body database (1p/halley orbital elements and epoch of next perihelion passage, 2061-07-28), consistent with the comet's recorded perihelion history (1986, 1910, 1835, ...), nasa jpl small-body database (ssd.jpl.nasa.gov) comet 1p/halley orbital elements; also cited by nasa solar system exploration pages, stating next perihelion in 2061, nasa jpl small-body database (ssd.jpl.nasa.gov) orbital elements for comet 1p/halley, 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, listing next perihelion passage on 2061-07-28, nasa jpl small-body database / halley's comet orbital records: perihelion 1986-02-09, orbital period ~76 years, next perihelion predicted 2061-07-28, nasa jpl small-body database / horizons ephemeris for 1p/halley, predicting next perihelion passage on 2061-07-28, nasa jpl small-body database / horizons orbital elements for 1p/halley, projecting next perihelion passage to 28 july 2061, nasa jpl small-body database / horizons orbital prediction for 1p/halley, next perihelion passage 28 july 2061, nasa jpl small-body database / nasa science: halley's comet (1p/halley) last perihelion 1986-02-09, orbital period ~75.3 years, next perihelion predicted 2061-07-28, nasa jpl small-body database / nasa solar system exploration (halley's comet fact sheet) — orbital period ~75-76 years, last perihelion 1986-02-09, next perihelion predicted 2061, nasa jpl small-body database / nasa solar system exploration page for 1p/halley, which lists the comet's next perihelion passage as 28 july 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet last perihelion 1986-02-09, next perihelion expected 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet last perihelion 1986-02-09, orbital period ~76 years, next perihelion predicted 2061, nasa jpl small-body database / nasa solar system exploration: halley's comet last perihelion was 1986-02-09 (per jpl) with a ~76 year orbital period; next perihelion predicted 2061-07-28, 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 in 2061., nasa jpl small-body database / nasa solar system exploration: halley's comet last reached perihelion on 1986-02-09 and will next reach perihelion in 2061 (orbital period ~75-76 years), nasa jpl small-body database / nasa solar system exploration: halley's comet next perihelion predicted 2061, nasa jpl small-body database / widely published astronomical consensus that halley's comet (1p/halley), last at perihelion on 1986-02-09, will next reach perihelion in 2061 (approx. 2061-07-28), nasa jpl small-body database / widely published astronomical prediction that halley's comet's next perihelion passage occurs in 2061 (previous perihelion 1986-02-09, orbital period ~75-76 years), nasa jpl small-body database for 1p/halley (ssd.jpl.nasa.gov), which lists an orbital period of ~75.3 years and a last perihelion of 1986-02-09, placing the next perihelion in 2061, nasa jpl small-body database for 1p/halley lists the next perihelion passage date as 2061-07-28, confirmed by nasa solar system exploration's halley's comet overview stating its last perihelion was 1986 with the next due in 2061 (~76-year orbital period)., nasa jpl small-body database lookup (ssd.jpl.nasa.gov) for 1p/halley; and wikipedia article 'halley's comet', both stating the next perihelion passage is expected in 2061, nasa jpl small-body database lookup for 1p/halley (ssd.jpl.nasa.gov), which lists next perihelion passage around 2061-07-28, consistent with halley's ~76-year orbital period following its 1986-02-09 perihelion, nasa jpl small-body database lookup, 1p/halley (https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1p), next perihelion passage epoch 2061-jul-28, nasa jpl solar system dynamics (halley's comet orbital elements, period ~75.3 years, last perihelion 1986-02-09, next predicted perihelion 2061-07-28), nasa jpl solar system dynamics (ssd.jpl.nasa.gov) orbital data for 1p/halley, which places its next perihelion passage in 2061, nasa jpl solar system dynamics / nasa science (science.nasa.gov) - halley's comet next perihelion passage is predicted for 28 july 2061, nasa jpl solar system dynamics / small-body database for comet 1p/halley, which gives an orbital period of ~75.3 years and last perihelion in 1986, placing next perihelion in 2061, nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/), nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/), states halley will return in 2061., nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/), states it will return in 2061; nasa technical reports server, halley's comet perihelion dates (https://ntrs.nasa.gov/api/citations/19830027693/downloads/19830027693.pdf), lists a 2061 perihelion., nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/); nasa ntrs report 19830027693, table 1-1, halley's comet perihelion dates (https://ntrs.nasa.gov/api/citations/19830027693/downloads/19830027693.pdf)., nasa science, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/); nasa technical report, halley's comet perihelion dates (https://ntrs.nasa.gov/api/citations/19830027693/downloads/19830027693.pdf)., nasa science, 1p/halley: https://science.nasa.gov/solar-system/comets/1p-halley/, nasa science, 1p/halley: https://science.nasa.gov/solar-system/comets/1p-halley/ (states it will return in 2061)., nasa solar system exploration (https://science.nasa.gov/mission/halley/) and jpl small-body database / horizons ephemeris for 1p/halley, both stating the comet's next perihelion passage occurs on 28 july 2061, nasa solar system exploration / jpl small-body database: halley's comet (1p/halley) has an orbital period of approximately 76 years, with last perihelion on 1986-02-09 and next predicted perihelion on 2061-07-28, nasa solar system exploration / jpl small-body database: halley's comet (1p/halley) last perihelion 1986-02-09, next perihelion 2061-07-28, nasa, 1p/halley (https://science.nasa.gov/solar-system/comets/1p-halley/); nasa, 955 years ago: halley's comet and the battle of hastings (https://www.nasa.gov/history/955-years-ago-halleys-comet-and-the-battle-of-hastings/), nasa, 1p/halley: https://science.nasa.gov/solar-system/comets/1p-halley/, nasa, 955 years ago: halley's comet and the battle of hastings (https://www.nasa.gov/history/955-years-ago-halleys-comet-and-the-battle-of-hastings/): next perihelion july 28, 2061, nasa/jpl solar system dynamics - halley's comet (1p/halley) orbital data: last perihelion 1986-02-09, orbital period ~75.3 years, next predicted perihelion 2061, ntrs.nasa.gov, science.nasa.gov, ssd.jpl.nasa.gov, wikipedia, "halley's comet" (https://en.wikipedia.org/wiki/halley%27s_comet): next perihelion 28 july 2061, following return approx. 27 march 2134; corroborated by nasa science, "1p/halley" (https://science.nasa.gov/solar-system/comets/1p-halley/): "will return in 2061"
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#11132,061NASA JPL Small-Body Database / NASA Solar System Exploration: Halley's Comet next perihelion predicted 2061147 more
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