Tsuchinshan–ATLAS

The comet on October 2, 2024. Picture taken from (or in) Australia.

C/2023 A3 (Tsuchinshan–ATLAS) is a comet from the Oort cloud. It was discovered in 2023, by the Purple Mountain Observatory in China; A few weeks later, the comet was found (independently) by ATLAS South Africa; The comet passed perihelion at a distance of Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). on 27 September 2024,^[6]^[3] when it became visible to the naked eye.^[7]^[8]

Gallery

C/2023 A3 (Tsuchinshan-ATLAS) on September 28, 2024 from Gran Canaria, Spain.^[9]
C/2023 A3 (Tsuchinshan-ATLAS) on September 25, 2024 from Chile.

References

↑ "Small-Body Database: C/2023 A3 (Tsuchinshan–ATLAS)". ssd.jpl.nasa.gov. Archived from the original on 2023-03-01. Retrieved 1 September 2023.
↑ Seiichi Yoshida. "C/2023 A3 ( Tsuchinshan-ATLAS )". Seiichi Yoshida's Comet Catalog. Retrieved 2023-05-01.
↑ ^3.0 ^3.1 "Horizons Batch for C/2023 A3 (Tsuchinshan–ATLAS) on 2024-Sep-27" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Archived from the original on 2023-04-04. Retrieved 2023-09-01. Perihelion as defined at epoch 2024-Sep-01 is QR= 3.91402E-01 (0.3914 AU).
↑ Horizons output. "Barycentric Osculating Orbital Elements for Comet C/2023 A3 (Tsuchinshan–ATLAS)". Retrieved 2023-09-01. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
Epoch 1800 was PR= 3.6E+9 / 365.25 days = millions of years
↑ "Horizons Batch for C/2023 A3 (Tsuchinshan–ATLAS) Solar elongation on 2024-Oct-10". JPL Horizons. Retrieved 2023-03-03.
↑ "MPEC 2023-D77 : COMET C/2023 A3 (Tsuchinshan–ATLAS)". minorplanetcenter.net. Retrieved 1 March 2023.
↑ "New comet – C/2023 A3 – could be bright in 2024". earthsky.org. 3 March 2023. Retrieved 8 April 2023.
↑ King, Bob (16 March 2023). "Anticipating Comet Tsuchinshan-ATLAS (C/2023 A3)". Sky and Telescope. Retrieved 8 April 2023.
↑ Ruiz, Victor R. (2024-09-29), Comet C/2023 A3 (Tsuchinshan-ATLAS), retrieved 2024-10-11

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[jpl-1] "Small-Body Database: C/2023 A3 (Tsuchinshan–ATLAS)". ssd.jpl.nasa.gov. Archived from the original on 2023-03-01. Retrieved 1 September 2023.

[Yoshida-2] Seiichi Yoshida. "C/2023 A3 ( Tsuchinshan-ATLAS )". Seiichi Yoshida's Comet Catalog. Retrieved 2023-05-01.

[Perihelion-3] 3.0 ^3.1 "Horizons Batch for C/2023 A3 (Tsuchinshan–ATLAS) on 2024-Sep-27" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Archived from the original on 2023-04-04. Retrieved 2023-09-01. Perihelion as defined at epoch 2024-Sep-01 is QR= 3.91402E-01 (0.3914 AU).

[barycenter-4] Horizons output. "Barycentric Osculating Orbital Elements for Comet C/2023 A3 (Tsuchinshan–ATLAS)". Retrieved 2023-09-01. (Solution using the Solar System's barycenter (Sun+Jupiter). Select Ephemeris Type:Elements and Center:@0)
Epoch 1800 was PR= 3.6E+9 / 365.25 days = millions of years

[SolarEl-5] "Horizons Batch for C/2023 A3 (Tsuchinshan–ATLAS) Solar elongation on 2024-Oct-10". JPL Horizons. Retrieved 2023-03-03.

[MPEC_2023-D77-6] "MPEC 2023-D77 : COMET C/2023 A3 (Tsuchinshan–ATLAS)". minorplanetcenter.net. Retrieved 1 March 2023.

[7] "New comet – C/2023 A3 – could be bright in 2024". earthsky.org. 3 March 2023. Retrieved 8 April 2023.

[8] King, Bob (16 March 2023). "Anticipating Comet Tsuchinshan-ATLAS (C/2023 A3)". Sky and Telescope. Retrieved 8 April 2023.

[9] Ruiz, Victor R. (2024-09-29), Comet C/2023 A3 (Tsuchinshan-ATLAS), retrieved 2024-10-11

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