{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"opposition","name":"Saturn at opposition, 21 Sep 2025","at":"2025-09-21T05:46:59.531Z","planets":[{"name":"Saturn","magnitude":0.6}],"place":{"ra":23.953,"dec":-3.04,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"degreesFromSun":177.5,"sky":"all-night","distanceAu":8.5468,"diameterArcsec":19.4,"closestToEarth":{"at":"2025-09-21T08:01:03.803Z","distanceAu":8.5468},"visibility":{"longitude":0,"timeZone":"UTC","twilightSunAltitude":-6,"bands":[{"latitude":60,"verdict":"clear","summary":"27° up in the S at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":27.1,"azimuth":180,"sunAltitude":-29.3}},{"latitude":45,"verdict":"clear","summary":"42° up in the S at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":42.1,"azimuth":180,"sunAltitude":-44.3}},{"latitude":30,"verdict":"clear","summary":"57° up in the S at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":57.1,"azimuth":179,"sunAltitude":-59.3}},{"latitude":15,"verdict":"clear","summary":"72° up in the S at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":72.1,"azimuth":179,"sunAltitude":-74.3}},{"latitude":0,"verdict":"clear","summary":"87° up in the S at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":87.1,"azimuth":175,"sunAltitude":-88.8}},{"latitude":-15,"verdict":"clear","summary":"78° up in the N at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":77.9,"azimuth":1,"sunAltitude":-75.7}},{"latitude":-30,"verdict":"clear","summary":"63° up in the N at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":62.9,"azimuth":1,"sunAltitude":-60.7}},{"latitude":-45,"verdict":"clear","summary":"48° up in the N at 23:56","best":{"at":"2025-09-20T23:56:59.531Z","altitude":47.9,"azimuth":0,"sunAltitude":-45.7}}]},"links":{"page":"https://www.whatthestar.com/planets/saturn-opposition-2025","map":"https://www.whatthestar.com/explore?ra=23.953&dec=-3.04&fov=40&t=2025-09-21T05%3A47%3A00.000Z"},"sources":[{"name":"P. Bretagnon and G. Francou, VSOP87, the planetary theory the map draws, held to JPL’s DE441 within about an arcsecond over 1900–2100","url":"https://www.whatthestar.com/credits#method-planets"},{"name":"U.S. Naval Observatory and Sea and Sky’s Astronomy Calendar of Celestial Events: the dates and angles the tests hold these to","url":"https://aa.usno.navy.mil/data/"},{"name":"A. Mallama and J. Hilton (2018) and the Astronomical Almanac’s phase-angle series: the planets’ magnitudes","url":"https://www.whatthestar.com/credits#method-planets"},{"name":"J. Meeus, Astronomical Algorithms, ch. 25: the Sun, for the twilight each latitude is judged in","url":"https://www.whatthestar.com/credits#method-sun"}]}