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The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
This list of exoplanets discovered in 2023 is a list of confirmed exoplanets that were first reported in 2023. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information. Name Mass (M J) Radius (R J) Period (days) Semi-major axis (AU) Temp. (K) Discovery method Distance (ly) Host star mass (M ☉) Host star temp. (K ...
An artist's rendition of Kepler-62f, a potentially habitable exoplanet discovered using data transmitted by the Kepler space telescope. The list of exoplanets detected by the Kepler space telescope contains bodies with a wide variety of properties, with significant ranges in orbital distances, masses, radii, composition, habitability, and host star type.
The first known planet to be discovered with the transit method was OGLE-TR-56b. The first planetary transit observed (by already known exoplanet) was caused by HD 209458 b . The most massive transiting exoplanet is KELT-1b which masses 27.23 M J (making it a brown dwarf ) while the least massive is Kepler-42d which masses less than 0.003 M J ...
NASA released the draft of the Announcement of Opportunity New Frontiers 5 on January 10, 2023. [44] On August 24, 2023, NASA announced that due to budgetary constraints enacted through the Fiscal Responsibility Act of 2023, the official release of the Announcement of Opportunity for New Frontiers 5 would be delayed to no earlier than 2026. [45]
NASA: 13 October 2023 (launch) August 2029 (arrival) orbiter en route Selected for mission #14 of NASA's Discovery Program to explore a metallic asteroid. 2023-157A [49] 1998 KY26: Hayabusa2: JAXA: 2030 flyby en route flyby of a fast rotator asteroid 2014-076A [55] Patroclus and Menoetius: Lucy: NASA: March 2033 flyby en route First flyby of a ...
14 April 2023 Jupiter/Ganymede orbiter [495] Chandrayaan-3: 14 July 2023 Lunar orbiter, lander and rover; first soft landing near the lunar South Pole [496] [497] Luna 25: 10 August 2023 Attempted lunar south pole lander (crashed into Moon) [498] [499] Aditya-L1: 2 September 2023 Sun-observing spacecraft at Sun–Earth L 1 [500] SLIM (LEV-1, LEV-2)
Launch date End date Number of exoplanets found Current candidates Telescope use MOST: June 20, 2003 March 2019 1+ 0 First spacecraft dedicated to the study of asteroseismology: EPOXI: July 21, 2005 August 8, 2013 0 0 Characterized planets and fly-by of comet SWEEPS: 2006 2006 16 0 Based from the HST, a short 7 day mission looking for ...