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Comet (Tsuchinshan–ATLAS), also known as the Great Comet of 2024 and formally designated as C/2023 A3, is a comet from the Oort cloud discovered by the Purple Mountain Observatory in China on 9 January 2023 and independently found by ATLAS South Africa on 22 February 2023.
2022 AP 7 is a kilometer-sized Apollo asteroid and potentially hazardous object orbiting between Venus and Jupiter.It was discovered on 13 January 2022 by Scott Sheppard at Cerro Tololo Observatory. [1]
The Bordkanone 3,7 (BK 3,7) ("on-board cannon 3.7") was a German 3.7 cm (1.46 in) anti-tank/bomber autocannon of World War II and based on the earlier 3.7 cm (1.46 in) 3.7 cm Flak 18 made by Rheinmetall.
Satellites in geostationary orbit. From the list in the first section, these are the closest known asteroids per year that approach Earth within one lunar distance.More than one asteroid per year may be listed if its geocentric distance [note 1] is within a tenth of the lunar distance, or 0.10 LD.