C/2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object ..

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C/2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT), MPEC 2025-T165, CBET 5623
Ø кометного ядра 4449 м

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2026 mag _ 15 04 2026 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2026 mag _ 23 03 2026 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2026 mag _ 18 02 2026 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2026 mag _ 02 01 2026 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2025 mag _ 18 11 2025 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 2025 mag _ 17 10 2025 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 562х _ 23 00 UTC + 3 мск _ 15 10 2025 _ 1.gif

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 562х _ 16 10 2025 _ 2.png

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 562х _ 16 10 2025 _ 3.png

C2025 Q3 (ATLAS) _ CK25Q030 _ A11rtVp object (Oct. 15.90 UT) _ MPEC 2025-T165, CBET 5623 _ 15 10 2025 _ 1.png

C/2025 Q3 (ATLAS) / CK25Q030 (i=90.2°, q=2.113 AU, Q=1506.937 AU, TP=2026 Feb. 25.64 TT) was picked up at 1335 UT on 20 Aug. by ATLAS Haleakala, which observed it at Aug. 20.57-59p4. This detection was confirmed by Starhopper Obs. (Aug. 21.02-03p3, 25.00-01p3, 27.05-06p3, 29.04-05p2, Sept. 5.06-07p3, 16.05-06p3 & 21.05-06p3), Galhassin Robotic Telescope (Aug. 21.12p1, Sept. 7.01p1, 7.08-09p2 & Oct. 11.14p1), the Zwicky Transient Facility (ZTF) (Aug. 21.43p1 & 21.49p1), Online Obs. (Aug. 21.99-01p3, Sept. 21.98-00p2, 23.97-00p3 & 26.89-91p3), Great Shefford Obs. (Aug. 22.04-05p3, 28.06-08p3 & Sept. 28.99-01p4), Kysuce Obs. (Aug. 22.95-96p2 & Sept. 11.85-86p3), San Marcello Pistoiese Obs. (Aug. 23.03-06p3), program code 8 via Calar Alto Schmidt (Aug. 23.07-08p3), Modra Obs. (Aug. 23.07-09p2), Hidetaka Sato via iTelescope Obs. Auberry (Aug. 23.50p2), Monte Viseggi Obs. (Aug. 23.91-93p2 & 31.94-95p2), ROASTERR-1 (Aug. 24.06-07p2 & 29.08-09p2), Jurassien-Vicques Obs. (Aug. 25.03-06p3, Sept. 17.99-02p2, 18.08p1 & Oct. 3.02-05p3), Stixendorf Obs. (Aug. 25.06-07p2 & 25.98-02p4), Muensterschwarzach Obs. (Aug. 26.04-07p5, Sept. 16.02-04p3, 19.12-13p2 & Oct. 2.06p2), Two-Meter Twin Telescope 3 (TTT3) (Aug. 27.21-23p5 & 28.13-21p5), Comet Hunter Obs. (Aug. 27.34-35p2), Tree Gate Farm Obs. (Aug. 27.37-39p3), program code 0 via Gravitational-wave Optical Transient Observer Yatsugatake (Aug. 27.74p2 & Sept. 25.75-76p2), Harsona Obs. (Aug. 30.01-03p2), Chelmsford Obs. (Aug. 30.06-07p2), Oberfrauendorf Obs. (Aug. 30.00-02p3 & Oct. 3.91-93p3), Buchloe Obs. (Aug. 31.06-07p3 & Oct. 2.07p3), Farra d'Isonzo Obs. (Aug. 31.07-08p3), Sormano2 Obs. (Aug. 31.08-12p3), Alto Turia Obs. (Aug. 31.11-14p3 & Sept. 11.10-15p3), Forti Obs. (Aug. 31.91-93p3 & Sept. 28.93-94p3), AZM Martinsberg (Sept. 1.04-05p3), Southern Utsunomiya Obs. (Sept. 1.71-73p2 & Oct. 13.72-73p3), Baihuashan Obs. (Sept. 3.74-81p3), Montcabre Obs. (Sept. 3.98p1, 4.03p1, 4.09p1, 5.97-99p2, 11.02-05p2, 17.95-00p3, 28.90-94p3, 29.93-00p3 & Oct. 7.03-06p2), Visnjan Obs. (Sept. 4.07-08p2), Nastro Verde Obs. (Sept. 4.97-98p2 & 6.98-00p2), Olmen Obs. (Sept. 5.12-13p2, 5.97p2, 18.97-99p3, 21.91p1, 21.96p1, 28.07-10p4 & 30.89-90p3), Santa Maria de Montmagastrell Obs. (Sept. 7.14-16p3), Moriyama Obs. (Sept. 7.75-77p3 & Oct. 8.73-75p2), A. Novichonok & A. Zhornichenko via Simeis Obs. (Sept. 8.96-98p4 & 16.00p4), Cewanee Obs. at DSNM (Sept. 11.39-42p3, 30.39-42p3, Oct. 5.36-43p9 & 15.27-33p5), Nomad Obs. (Sept. 12.02-05p3), Soerth Obs. (Sept. 12.90-92p2, 18.96-97p3 & Oct. 2.85-87p2), Cielo Profundo Obs. (Sept. 14.00-04p3), Sormano Obs. (Sept. 14.92p3), ATLAS Mauna Loa (Sept. 15.53-56p4, 18.53-56p4, 21.53-55p4, 23.54-56p4, Oct. 3.51-53p4 & 6.50-52p4), Schiaparelli Obs. (Sept. 17.99-02p2), Corner Obs. (Sept. 18.00-02p2), Dettelbach Vineyard Obs. (Sept. 19.10-12p3 & 20.10-12p3), MASTER-II Tunka (Sept. 19.82-83p3), M. Tichy & team via KLENOT (Sept. 20.93-94p4), Xingming Obs. #3 (Sept. 21.83-85p3), Albireo de Biot Obs. (Sept. 23.09-14p3, 24.00-01p3 & 27.99-03p3), PASTIS Obs. (Sept. 24.99-00p3), ATLAS TDO (Sept. 25.13-17p4, Oct. 1.12-16p4 & 13.11-15p8), St. Pardon de Conques Obs. (Sept. 26.97-98p3), Hoyerswerda Obs. (Sept. 28.86-87p4 & Oct. 3.84-85p3), E.J. Christensen via the Mt. Lemmon Survey (MLS) (Sept. 30.38-39p3), Schafsweide Obs. (Sept. 30.86-87p2), Northolt Branch Obs. (Sept. 30.94-96p2), Kant Obs. (Sept. 30.96-98p2 & Oct. 1.01p1), Novaastro Obs. (Oct. 1.09-10p3), program code 21 via Faulkes Telescope North (Oct. 1.59-60p4), Wiggins Obs. (Oct. 2.34-36p3, 6.43-44p4, 8.31-35p3 & 9.29-30p3), A. Ivanov & team via Kuban State Univ. Obs. (Oct. 2.89-91p3), Piobbico Obs. (Oct. 3.87-89p4), N. Paul via iTelescope Obs. Beryl Jct. (Oct. 5.38-39p2), Aldebaran Obs. (Oct. 6.91-92p2), Dave Balam via Dominion Astrophysical Obs. (DomAO) (Oct. 8.35-37p5 & 14.47-48p5), Chante-Perdrix Obs. (Oct. 11.84-85p3), Castelmartini Obs. (Oct. 12.89-90p3), Maisoncelles Obs. (Oct. 12.90p2, 12.94p2 & 12.99p2), Zen Obs. (Oct. 13.90-91p3), BiAnto Obs. (Oct. 13.00p1 & 14.04p1), program code 0 via ATLAS Mauna Loa (Oct. 15.51-52p4), and Pan-STARRS 2 (PS2) (Oct. 15.54-56p3).

Orbital elements:
C/2025 Q3 (ATLAS)
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 25.63867 TT Pike
q 2.1125749 (2000.0) P Q
z +0.0013272 Peri. 218.45254 +0.47133179 -0.37096685
+/-0.0000636 Node 233.14423 +0.82116181 -0.14641446
e 0.9971962 Incl. 90.18563 -0.32177574 -0.91703130
From 414 observations 2025 Aug. 20-Oct. 15, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2025 09 15 04 42 34.0 +47 04 02 2.5420 2.8274 95.9 20.7 18.7
...
2025 09 30 04 36 39.0 +44 48 08 2.1990 2.7207 110.8 20.1 18.3
...
2025 10 08 04 29 20.8 +43 03 47 2.0241 2.6657 119.8 19.0 18.0
...
2025 10 14 04 21 49.2 +41 24 37 1.8999 2.6255 127.1 17.6 17.8
2025 10 15 04 20 23.6 +41 06 01 1.8799 2.6189 128.4 17.4 17.8
2025 10 16 04 18 55.1 +40 46 47 1.8602 2.6123 129.7 17.1 17.7
...
2025 10 22 04 09 04.1 +38 36 35 1.7477 2.5733 137.8 15.1 17.5
...
2025 10 30 03 53 33.1 +34 58 42 1.6166 2.5230 149.5 11.5 17.3
...
2025 11 14 03 20 00.5 +25 41 55 1.4499 2.4342 172.4 3.1 16.9



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