{"version":1,"generatedAt":"2026-10-28T10:38:56.207Z","kind":"conjunction","name":"Mercury and Saturn 2.0° apart, 10 Apr 2025","at":"2025-04-10T13:42:41.938Z","planets":[{"name":"Mercury","magnitude":0.98},{"name":"Saturn","magnitude":1.09}],"place":{"ra":23.797,"dec":-2.81,"frame":"J2000","raUnit":"hours","decUnit":"degrees"},"degreesFromSun":24.5,"sky":"morning","separationDeg":2.01,"visibility":{"longitude":0,"timeZone":"UTC","twilightSunAltitude":-6,"bands":[{"latitude":60,"verdict":"lost","summary":"The pair is below the horizon whenever the sky is dark","best":{"at":"2025-04-10T04:12:41.938Z","altitude":-5.5,"azimuth":88,"sunAltitude":-6}},{"latitude":45,"verdict":"lost","summary":"Lost in the horizon's haze: 1° up at best once it is dark","best":{"at":"2025-04-10T04:52:41.938Z","altitude":1.1,"azimuth":96,"sunAltitude":-6.2}},{"latitude":30,"verdict":"low","summary":"Low: 7° up in the E at 05:12; a clear, flat horizon needed","best":{"at":"2025-04-10T05:12:41.938Z","altitude":7,"azimuth":98,"sunAltitude":-6.3}},{"latitude":15,"verdict":"clear","summary":"11° up in the E at 05:22","best":{"at":"2025-04-10T05:22:41.938Z","altitude":10.8,"azimuth":95,"sunAltitude":-7.1}},{"latitude":0,"verdict":"clear","summary":"14° up in the E at 05:32","best":{"at":"2025-04-10T05:32:41.938Z","altitude":14.2,"azimuth":92,"sunAltitude":-7.1}},{"latitude":-15,"verdict":"clear","summary":"17° up in the E at 05:42","best":{"at":"2025-04-10T05:42:41.938Z","altitude":16.6,"azimuth":87,"sunAltitude":-6.5}},{"latitude":-30,"verdict":"clear","summary":"15° up in the E at 05:42","best":{"at":"2025-04-10T05:42:41.938Z","altitude":15.3,"azimuth":83,"sunAltitude":-8}},{"latitude":-45,"verdict":"clear","summary":"15° up in the ENE at 05:52","best":{"at":"2025-04-10T05:52:41.938Z","altitude":14.7,"azimuth":77,"sunAltitude":-7.2}}]},"links":{"page":"https://www.whatthestar.com/planets/mercury-saturn-conjunction-2025-04-10","map":"https://www.whatthestar.com/explore?ra=23.797&dec=-2.81&fov=40&t=2025-04-10T13%3A43%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"}]}