P/2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object ..

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P/2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT), MPEC 2023-O51, CBET 5281
Ø кометного ядра 21 124 м

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 2023 mag _ 26 07 2023 _ 1.gif

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 24 06 2023 _ Alfons Diepvens (С23) _ 1.jpg

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 09 00 UTC + 3 мск _ 22 07 2023 _ 1.gif

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 22 07 2023 _ 2.png

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 22 07 2023 _ 3.png

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 23 07 2023 _ 1.png

P2023 M4 (ATLAS) _ PK23M040 _ A10VJYv object (July 22.17 UT) _ MPEC 2023-O51, CBET 5281 _ 2023 mag _ 22 07 2023 _ 1.png

P/2023 M4 (ATLAS) / PK23M040 (q=3.930 AU, Q=10.905 AU, TP=2022 Apr. 15.07 TT) was picked up at 0128 UT on 21 June by ATLAS Sutherland, which observed it at June 21.06-07p4, 30.98-99p3, July 1.00p1, 2.97-99p4, 12.07-10p4, and 15.14-16p4. This detection was confirmed by program code 24 via DECam (2021 March 17.35p1, 2021 March 23.17p1, 2021 May 12.11p2 & 2021 June 1.17p1), PS1 (2021 April 9.43-46p4, 2021 May 3.37-41p3, 2023 June 18.57-60p4, 2023 June 27.55-59p4 & 2023 July 15.50-54p4), the Catalina Sky Survey (CSS) (June 13.44-45p4, 14.43p4, 16.37p3 & 19.36-37p4), LCO Siding Spring Clamshell#1 (June 21.67-69p4), NOAK Obs. (June 21.97-99p3), M. Kumrucu-Lohmiller via Slooh.com Canary Islands Obs. (June 22.13-16p2 & 25.12-16p3), Hidetaka Sato via iTelescope Obs. Beryl Jct. (June 22.39p2), N. Paul via Slooh.com Canary Islands Obs. (June 23.08-13p2 & 23.18p1), M. Masek via La Palma (June 23.16-19p2), Schiaparelli South (June 23.98p1, 24.15-17p2 & July 3.05-08p3), Soerth Obs. (June 24.03-04p3, July 4.01-03p4, 6.99-00p3, 14.99-00p5 & 22.02p3), Olmen Obs. (June 24.04-05p5, 25.04-05p3, July 6.01p3, 6.99p3, 10.00-01p3, 12.00-03p4 & 17.00-01p3), Wiggins Obs. (June 24.40-43p3, July 1.38-42p4, 8.37-40p3, 10.37-41p5, 16.37-39p3 & 21.34-36p3), Farra d'Isonzo Obs. (June 24.99-03p3), Oberfrauendorf Obs. (June 25.00-01p3), AZM Martinsberg (June 25.01-02p4 & 25.00-01p3), Forti Obs. (June 25.02-03p3 & 26.99-01p2), B. Lutkenhoner via Slooh.com Canary Islands Obs. (June 25.03-05p2), IAS Remote Obs. (June 25.14p2, 29.09-15p3, July 17.05-06p3 & 21.11-12p2), Kysuce Obs. (June 25.98-00p3 & July 7.99-00p3), Muensterschwarzach Obs. (June 26.03-06p5, 29.02-07p4, July 7.04-05p3, 9.00-02p4, 14.02-04p4, 15.01-02p4 & 18.03-04p4), Chante-Perdrix Obs. (June 26.08-10p2, 28.08-10p3, July 15.00-02p2 & 15.08p1), Galhassin Robotic Telescope (June 27.04p1, 27.11p1, 28.00p1 & 29.04p1), program code 4 via LCO McDonald Obs. (June 27.37-38p4), Al-Khatim Obs. (June 27.89-95p3), Ivanov/Kuban SUO (June 27.98-01p6, July 1.00-02p3, 11.97-98p3, 15.88-89p3, 16.00-01p3, 17.97-01p6, 18.97-98p3, 20.01-02p3 & 20.98-99p3), program code 3 via Discovery Channel Telescope (DCT) (June 28.33-34p5), Buchloe Obs. (June 29.05p3 & July 15.02p3), SONEAR Wykrota-CEAMIG (June 29.09-12p3), Tony Evans via Slooh.com Canary Islands Obs. (June 29.13-19p3, July 20.10-14p2 & 20.18p1), K. Dankov via Slooh.com Canary Islands Obs. (June 29.14p2), SADR Obs. (June 29.40-44p3), T. Prystavski via iTelescope Chile (June 30.39-40p4), Lesedi Telescope (July 1.92-93p5, 12.98p5 & 13.88-89p5), Sormano2 Obs. (July 2.04-05p3), ATLAS Chile (July 2.22-24p4, 4.21-25p4, 8.34-41p4 & 13.30-32p4), Mooray Obs. (July 4.68-70p3), SATINO-1 (July 5.04-06p2), Akin Obs. (July 7.75p4), BAS Obs. (July 8.05-07p3), BiAnto Obs. (July 8.95-97p2), Castelmartini Obs. (July 8.99-00p2), J.L. Schiff via Slooh.com Canary Islands Obs. (July 9.00-02p2), Zen Obs. (July 9.00-01p3), GiaGa Obs. (July 9.02-03p3), San Marcello Pistoiese Obs. (July 9.03-05p3), Visnjan Obs. (July 10.98-99p5), Comet Hunter Obs. (July 11.23-25p3 & 12.24-25p3), Fukuchiyama & Kannabe Obs. (July 11.62-66p3 & 16.57-61p3), Moriyama Obs. (July 11.68-69p3 & 16.65-66p3), GROWTH India Telescope (July 11.94-95p2), Northolt Branch Obs. (July 12.04-05p3 & 13.00-03p3), Pan-STARRS 2 (PS2) (July 12.48-51p4), iTelescope Obs. Siding Spring (July 12.64-65p4), Gisborne Obs. (July 14.75p3 & 17.60-66p4), Hoyerswerda Obs. (July 14.96-97p2), Magroforte Obs. (July 14.99-00p2), PCTMO (July 15.34p2 & 15.41p2), M. Tichy & team via KLENOT (July 15.92p6), 29PREMOTE Obs. (July 15.98-01p3), ROASTERR-1 (July 16.02-05p2), Shinshiro Obs. (July 16.62-64p3), Nastro Verde Obs. (July 16.95p3), Bredenkamp Obs. (July 17.98-03p6), Haute Provence Obs. (July 17.00-01p5 & 19.92-93p5), Dettelbach Vineyard Obs. (July 18.02-03p3), M57 Obs. (July 18.07-09p3), MASTER OAFA Obs. (July 19.16-18p3), and LCO Tenerife Aqawan A#2 (July 20.17-18p4).

Orbital elements:
P/2023 M4 (ATLAS)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Apr. 15.07458 TT Rudenko
q 3.9295680 (2000.0) P Q
n 0.07741380 Peri. 320.68866 -0.22023095 +0.96822865
a 5.4524346 Node 296.29608 -0.85835744 -0.25004837
e 0.2793003 Incl. 7.59259 -0.46337979 +0.00301473
P 12.7
From 450 observations 2021 Mar. 17-2023 July 21, mean residual 0".3.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 06 22 21 46 52.4 -10 25 41 3.7138 4.3716 124.6 11.0 16.8
...
2023 07 07 21 43 37.7 -10 17 38 3.5756 4.3989 139.5 8.6 16.7
...
2023 07 15 21 40 43.9 -10 19 38 3.5202 4.4138 147.8 7.0 16.7
...
2023 07 21 21 38 06.5 -10 23 44 3.4885 4.4249 154.1 5.8 16.7
2023 07 22 21 37 38.4 -10 24 36 3.4841 4.4268 155.2 5.5 16.7
2023 07 23 21 37 09.7 -10 25 32 3.4800 4.4287 156.2 5.3 16.7
...
2023 07 29 21 34 08.6 -10 32 07 3.4609 4.4400 162.5 3.9 16.7
...
2023 08 06 21 29 49.1 -10 43 08 3.4508 4.4552 170.8 2.1 16.7
...
2023 08 21 21 21 28.2 -11 07 45 3.4820 4.4839 170.9 2.0 16.7


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