{"slug": "neptune", "label": "Neptune", "wikipedia": "https://en.wikipedia.org/wiki/Neptune", "wikidata": "https://www.wikidata.org/wiki/Q332", "qid": "Q332", "description": "eighth and farthest planet from the Sun in the Solar System, mainly composed of ice and rock", "entries": 11, "years": 11, "span": [1483, 2011], "span_label": ["1483 CE", "2011 CE"], "topics": [{"title": "Science & Discovery", "count": 11}], "related": [{"slug": "pluto", "label": "Pluto", "shared": 4}, {"slug": "jupiter", "label": "Jupiter", "shared": 2}, {"slug": "galileo-galilei", "label": "Galileo Galilei", "shared": 1}, {"slug": "solar-system", "label": "Solar System", "shared": 1}], "items": [{"year": 1483, "year_label": "1483 CE", "section": "Science & Discovery", "date": "April 30", "text": "April 30 – Pluto moves inside Neptune's orbit until July 23, 1503, according to modern orbital calculations. At the time, neither planet has been discovered by Earth astronomers. The event of Pluto being closer to the Sun than Neptune will happen again during the period lasting from 1979 to 1999.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369188840#April–June", "title": "1483", "revid": 1369188840, "section": "Events › April–June"}}, {"year": 1503, "year_label": "1503 CE", "section": "Science & Discovery", "date": "July 23", "text": "July 23 – Orbital calculations suggest that on this day Pluto moves outside Neptune's orbit, remaining there for 233 years.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366510845#July–September", "title": "1503", "revid": 1366510845, "section": "Events › July–September"}}, {"year": 1612, "year_label": "1612 CE", "section": "Science & Discovery", "date": "December 28", "text": "December 28 – Galileo Galilei becomes the first astronomer to observe the planet Neptune when in conjunction with Jupiter. He mistakenly catalogues it as a fixed star, because of its extremely slow motion along the ecliptic. Neptune will not be truly recognized as a planet until 1846, about 234 years later, when Johann Gottfried Galle first sights it in the Berlin Observatory.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366306597#October–December", "title": "1612", "revid": 1366306597, "section": "Events › October–December"}}, {"year": 1702, "year_label": "1702 CE", "section": "Science & Discovery", "date": "September 19", "text": "September 19 – Jupiter occults Neptune.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1362986314#July–September", "title": "1702", "revid": 1362986314, "section": "Events › July–September"}}, {"year": 1846, "year_label": "1846 CE", "section": "Science & Discovery", "date": "October 1", "text": "October 1 – Triton, Neptune's largest moon, is discovered by William Lassell 17 days after the discovery of Neptune.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1368342482#October–December", "title": "1846", "revid": 1368342482, "section": "Events › October–December"}}, {"year": 1949, "year_label": "1949 CE", "section": "Science & Discovery", "date": "May 1", "text": "May 1 – Nereid, a moon of Neptune, is discovered by Gerard Kuiper.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1370167995#May", "title": "1949", "revid": 1370167995, "section": "Events › May"}}, {"year": 1979, "year_label": "1979 CE", "section": "Science & Discovery", "date": "February 7", "text": "February 7 – Pluto moves inside Neptune's orbit for the first time since either was known to science.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371786119#February", "title": "1979", "revid": 1371786119, "section": "Events › February"}}, {"year": 1983, "year_label": "1983 CE", "section": "Science & Discovery", "date": "June 13", "text": "June 13 – Pioneer 10 passes the orbit of Neptune, becoming the first human-made object to leave the vicinity of the major planets of the Solar System.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366392977#June", "title": "1983", "revid": 1366392977, "section": "Events › June"}}, {"year": 1989, "year_label": "1989 CE", "section": "Science & Discovery", "date": "August 25", "text": "August 25 – Voyager 2 makes its closest approach to Neptune and its largest moon Triton.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369557705#August", "title": "1989", "revid": 1369557705, "section": "Events › August"}}, {"year": 1999, "year_label": "1999 CE", "section": "Science & Discovery", "date": "February 11", "text": "February 11 – Pluto moves along its eccentric orbit further from the Sun than Neptune. It had been nearer than Neptune since 1979, and will become again in 2231.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369767946#February", "title": "1999", "revid": 1369767946, "section": "Events › February"}}, {"year": 2011, "year_label": "2011 CE", "section": "Science & Discovery", "date": "July 12", "text": "July 12 – The planet Neptune completes its first orbit since it was discovered in 1846.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1372940525#July", "title": "2011", "revid": 1372940525, "section": "Events › July"}}]}