C/2025 W1 (Sankovich) _ CK25W010 _ STO1338 object ..

[Gremlin]

C/2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT), MPEC 2025-X33, CBET 5641
Ø кометного ядра 8450 м

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 2026 mag _ 28 07 2026 _ 1.gif

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 2025 mag _ 05 12 2025 _ 1.gif

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 18 00 UTC + 3 мск _ 02 12 2025 _ 1.gif

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 02 12 2025 _ 2.png

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 02 12 2025 _ 3.png

C2025 W1 (Sankovich) _ CK25W010 _ STO1338 object (Dec. 2.71 UT) _ MPEC 2025-X33, CBET 5641 _ 03 12 2025 _ 1.png

C/2025 W1 (Sankovich) / CK25W010 (i=79.8°, q=4.173 AU, Q=20474.905 AU, TP=2025 Feb. 18.00 TT) was picked up at 0353 UT on 20 Nov. by Santel Obs., which observed it at Nov. 20.16-30p7, 21.30p3, 22.19p1, 22.25p1, 22.31p1, 23.13-17p5, 24.23-27p5, 25.13p1, 25.24p1, 25.34p1, 29.13-15p3, and 29.26-27p3. This detection was confirmed by MASTER-II Sutherland (Nov. 21.89-92p5, 25.01-05p5, 25.96-98p3, 26.93-95p3 & 28.90-96p4), SONEAR Wykrota-CEAMIG (Nov. 22.13-15p2), Mt. John Obs. (Nov. 22.49-51p4 & 23.50-51p3), SADR Obs. (Nov. 27.04-09p3), Hidetaka Sato via iTelescope Chile (Nov. 27.34p2), iTelObs-SSO (Nov. 30.71-74p4), and Auger Obs. (Dec. 1.10p1 & 1.15p1).

Orbital elements:
C/2025 W1 (Sankovich)
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Feb. 18.00391 TT Pike
q 4.1727857 (2000.0) P Q
z +0.0000977 Peri. 250.70393 +0.19991001 -0.03839695
+/-0.0020450 Node 95.87164 +0.08359079 +0.99625721
e 0.9995924 Incl. 79.80961 -0.97624206 +0.07744185
From 72 observations 2025 Nov. 20-Dec. 1, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2025 11 02 06 12 46.9 -53 29 33 4.4686 4.6900 96.8 12.1 19.7
...
2025 11 17 05 57 41.8 -53 37 22 4.4629 4.7471 100.7 11.8 19.7
...
2025 11 25 05 48 14.2 -53 21 52 4.4669 4.7785 102.5 11.6 19.7
...
2025 12 01 05 40 48.4 -52 59 48 4.4740 4.8025 103.6 11.5 19.8
2025 12 02 05 39 33.3 -52 55 13 4.4756 4.8065 103.8 11.5 19.8
2025 12 03 05 38 18.1 -52 50 22 4.4773 4.8105 103.9 11.5 19.8
...
2025 12 09 05 30 48.4 -52 15 48 4.4901 4.8349 104.7 11.4 19.8
...
2025 12 17 05 21 05.8 -51 15 01 4.5145 4.8679 105.3 11.2 19.8
...
2026 01 01 05 05 00.0 -48 38 46 4.5855 4.9314 104.9 11.1 19.9



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