C/2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object ..

[Gremlin]

C/2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT), MPEC 2025-A175, CBET 5495
Ø кометного ядра 8846 м

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 2026 mag _ 28 07 2026 _ 1.gif

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 2026 mag _ 23 03 2026 _ 1.gif

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 2025 mag _ 18 01 2025 _ 1.gif

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 20 00 UTC + 3 мск _ 15 01 2025 _ 1.gif

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 15 01 2025 _ 2.png

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 15 01 2025 _ 3.png

C2025 A3 (Tsuchinshan) _ CK25A030 _ X85042 object (Jan. 15.78 UT) _ MPEC 2025-A175, CBET 5495 _ 16 01 2025 _ 1.png

C/2025 A3 (Tsuchinshan) / CK25A030 (Centaur, q=5.683 AU, Q=20.604 AU, TP=2026 May 5.29 TT) was picked up at 1943 UT on 5 Jan. by Purple Mtn. Obs. Xuyi Station, which observed it at Jan. 5.82-86p3. This detection was confirmed by Pan-STARRS 2 (PS2) (Dec. 25.51-55p4, 28.53-56p4 & Jan. 4.50-53p3), Pan-STARRS 1 (PS1) (Dec. 29.50-53p4), Kottomia Obs. (Jan. 7.97-99p2), Xingming Obs. #2 (Jan. 9.91p1 & 9.96p1), Sormano2 Obs. (Jan. 11.09-11p3), Starhopper Obs. (Jan. 12.02-03p3), and Mardella Obs. (Jan. 12.71-79p4).

Orbital elements:
C/2025 A3 (Tsuchinshan)
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5
T 2026 May 5.29245 TT Pike
q 5.6831795 (2000.0) P Q
n 0.02980663 Peri. 227.28110 -0.97872439 +0.17565655
a 10.3021394 Node 322.46882 -0.09634703 -0.84972582
e 0.4483496 Incl. 10.02382 -0.18115138 -0.49710241
P 33.1
From 32 observations 2024 Dec. 25-2025 Jan. 12, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 12 16 10 31 49.5 +08 09 29 5.8009 6.1699 107.6 8.7 20.7
...
2024 12 31 10 31 47.6 +07 53 16 5.5553 6.1433 122.8 7.7 20.6
...
2025 01 08 10 30 49.4 +07 49 51 5.4378 6.1294 131.1 6.9 20.6
...
2025 01 14 10 29 41.0 +07 49 36 5.3579 6.1190 137.5 6.2 20.5
2025 01 15 10 29 27.7 +07 49 44 5.3453 6.1173 138.5 6.1 20.5
2025 01 16 10 29 13.8 +07 49 56 5.3330 6.1156 139.6 6.0 20.5
...
2025 01 22 10 27 39.4 +07 52 08 5.2638 6.1054 146.1 5.2 20.5
...
2025 01 30 10 25 07.0 +07 57 38 5.1860 6.0919 154.8 3.9 20.4
...
2025 02 14 10 19 21.5 +08 14 01 5.0893 6.0672 171.3 1.4 20.4



подробности следуют...