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Discovered last year, the comet C/2023 A3 Tsuchinshan-ATLAS will be visible in the California sky on Saturday night for the first time in 80,000 years.
Animation of C/2023 A3 around Sun C/2023 A3 · Sun · Mercury · Venus · Earth · Mars. The comet has a retrograde orbit, lying at an inclination of 139°. Τhe comet had its perihelion on 27 September 2024, at a distance of 0.391 AU. Τhe closest approach to Earth was on 12 October 2024, at a distance of 0.47 AU.
The object – which has the full name C/2023 A3 (Tsuchinshan–ATLAS) – was found last year but in recent weeks has passed close enough to Earth that it could be seen with the naked eye. The ...
The visibility of the comet is dependent on clear weather conditions
C/2023 V4 (Camarasa-Duszanowicz) is a hyperbolic comet that was discovered on November 5, 2023, by two astronomers Jordi Camarasa from Sabadell in Spain and Grzegorz Duszanowicz from Akersberga, Sweden, using Duszanowicz's two 280mm aperature, f/1.9 Schmidt-Cassegrain (Celestron C11) telescopes, located at Duszanowicz's "Moonbase South ...
C/2023 V5 (Leonard) was discovered on 6 November 2023 by the Catalina Sky Survey. It came to perihelion on 13 December 2023 at 0.849 AU (127.0 million km ), from the Sun. [ 3 ] [ 4 ] It is probably a Liller family comet , together with C/1988 A1 (Liller), C/1996 Q1 (Tabur), C/2015 F3 (SWAN), and C/2019 Y1 (ATLAS).
C/2023 H2 (Lemmon) T. C/2023 A3 (Tsuchinshan–ATLAS) This page was last edited on 6 February 2024, at 12:30 (UTC). Text is available under the Creative Commons ...
[2] 2023 MD 4 that approached from the direction of the Sun was not first observed until 3.6 days after closest approach. [ note 1 ] The largest asteroid on this list that is risk–listed is 2023 SM 5 at about 17 meters in diameter with a 3.5-day observation arc and a 1: 91 000 chance of Earth impact on 2118 September 24.