P/2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object ..

[Gremlin]

P/2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT), MPEC 2024-B74, CBET 5335
Ø кометного ядра 817 м

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) _ MPEC 2024-B74, CBET 5333 _ 2024 mag _ 28 01 2024 _ 1.gif

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) = P2017 O4 _ PK17O040 _ MPEC 2024-B74, CBET 5333 _ 18 00 UTC + 3 мск _ 21 01 2024 _ 1.gif

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) _ MPEC 2024-B74, CBET 5333 _ 21 01 2024 _ 3.png

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) _ MPEC 2024-B74, CBET 5333 _ 21 01 2024 _ 4.png

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) _ MPEC 2024-B74, CBET 5333 _ 21 01 2024 _ 2.png

P2023 S4 (Hogan) _ PK17O040 _ CA1HX32 object (Jan. 20.99 UT) _ MPEC 2024-B74, CBET 5333 _ 2024 mag _ 22 01 2024 _ 1.png

P/2023 S4 (Hogan) / PK23S040 (q=2.542 AU, Q=6.268 AU, TP=2023 July 16.63 TT) was picked up at 1054 UT on 25 Sept. 2023 by E.J. Christensen via the Mt. Lemmon Survey (MLS), which observed it at 2023 Sept. 25.45-47p4 and 2024 Dec. 15.25-27p4. This detection was confirmed by Pan-STARRS 2 (PS2) (2023 Aug. 18.60-62p4, 2023 Aug. 24.59-60p3 & 2023 Oct. 22.48-51p4), Pan-STARRS 1 (PS1) (Nov. 8.62-64p3, Dec. 4.33-37p4, 15.49-51p6 & Jan. 1.24-28p4), Steward Obs. Mt. Lemmon Station (Dec. 15.32-36p4 & 17.30-32p4), Proxima Centauri Obs. (Dec. 16.12-15p3), AZM Martinsberg (Dec. 18.88-91p3), Hidetaka Sato via iTelescope Chile (Dec. 19.10-11p2), Sormano2 Obs. (Dec. 19.79-80p3), Chante-Perdrix Obs. (Dec. 19.84-85p2 & Jan. 12.78-79p3), Sormano Obs. (Dec. 19.88-89p3), Comet Hunter Obs. (Dec. 20.09-15p3), Alto Turia Obs. (Dec. 30.82-84p3), SADR Obs. (Jan. 12.12-16p3), Visnjan Obs. (Jan. 12.75p2 & 12.81p1), Schiaparelli Obs. (Jan. 15.94p1 & 16.01p1), and the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (Jan. 17.10-13p3 & 17.18p1).
P/2017 O4 / PK17O040 was picked up at 1358 UT on 30 July 2017 by PS1, which observed it at 2017 July 30.58-60p3, 2017 Sept. 17.48-51p4, 2017 Sept. 24.41-45p4, 2017 Oct. 11.41-44p4, 2017 Oct. 18.38-41p6, 2017 Oct. 23.38-42p4, 2017 Nov. 19.29-32p2, 2019 Jan. 5.61p1, and 2019 Jan. 14.58-62p4. This detection was confirmed by Sam Deen via Canada-France-Hawaii Telescope (2005 June 14.46-49p2, 2005 June 15.46p1, 2017 July 17.62p1 & 2017 July 23.62p1) and Sam Deen via DECam (2021 June 13.03p1 & 2021 June 13.16p1).

Orbital elements:
P/2023 S4 (Hogan)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 16.62827 TT Rudenko
q 2.5415671 (2000.0) P Q
n 0.17766596 Peri. 11.42155 +0.78578970 -0.61843352
a 3.1337660 Node 26.78619 +0.56593739 +0.71331694
e 0.1889735 Incl. 1.09759 +0.24949832 +0.32972552
P 5.55
From 120 observations 2005 June 14-2024 Jan. 17, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 12 21 04 46 25.6 +23 44 09 1.6814 2.6429 164.6 5.7 20.8
...
2024 01 05 04 36 36.8 +23 25 35 1.7820 2.6619 147.1 11.6 21.0
...
2024 01 13 04 33 41.1 +23 18 28 1.8569 2.6725 138.3 14.2 21.1
...
2024 01 19 04 32 41.3 +23 15 10 1.9212 2.6807 132.0 15.8 21.2
2024 01 20 04 32 37.5 +23 14 49 1.9325 2.6821 130.9 16.1 21.2
2024 01 21 04 32 35.3 +23 14 30 1.9440 2.6835 129.9 16.3 21.2
...
2024 01 27 04 32 58.1 +23 13 47 2.0159 2.6919 123.9 17.7 21.3
...
2024 02 04 04 35 00.6 +23 15 45 2.1191 2.7034 116.2 19.1 21.4
...
2024 02 19 04 43 10.3 +23 27 09 2.3288 2.7259 102.9 20.7 21.7



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