C/2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object ..

[Gremlin]

C/2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT), MPEC 2025-D83, CBET 5509
Ø кометного ядра 43968 м

C2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT) _ MPEC 2025-D83, CBET 5509 _ 2025 mag _ 24 02 2025 _ 1.gif

C2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT) _ MPEC 2025-D83, CBET 5509 _ 18 00 UTC + 3 мск _ 22 02 2025 _ 1.gif

C2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT) _ MPEC 2025-D83, CBET 5509 _ 22 02 2025 _ 1.png

C2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT) _ MPEC 2025-D83, CBET 5509 _ 22 02 2025 _ 2.png

C2025 D1 (Groeller) _ CK25D010 _ C11KVH5 object (Feb. 22.66 UT) _ MPEC 2025-D83, CBET 5509 _ 22 02 2025 _ 4.png

C/2025 D1 (Groeller) / CK25D010 (e=1.003, i=84.5°, q=14.119 AU, TP=2028 May 19.92 TT) was picked up at 0752 UT on 20 Feb. by the Bok Telescope, which observed it at 2018 June 6.20p1, 2018 June 7.22p1, 2018 June 9.21p1, 2018 June 18.19p1, 2019 Feb. 9.52p1, 2019 Feb. 12.31p1, and 2025 Feb. 20.33-35p4. This detection was confirmed by Sam Deen via Canada-France-Hawaii Telescope (2022 Feb. 2.50p1), Sam Deen via Subaru Telescope (2022 May 30.28-30p2), CSS-Kuiper (Feb. 20.44-46p4), Sormano Obs. (Feb. 20.87-88p3), the Spacewatch 0.9m telescope (Feb. 21.12-13p2), Mt. Lemmon Sta. (Feb. 21.13-17p4), EHB01 Obs. (Feb. 21.94-96p2), AZM Martinsberg (Feb. 21.98-00p3), and Comet Hunter Obs. (Feb. 22.23-26p3).

Orbital elements:
C/2025 D1 (Groeller)
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2028 May 19.91996 TT Veres
q 14.1190387 (2000.0) P Q
z -0.0002068 Peri. 185.88892 -0.68434692 -0.00042783
+/-0.0000007 Node 312.89770 +0.70301613 +0.26497146
e 1.0029198 Incl. 84.46653 +0.19348800 -0.96425616
From 34 observations 2018 June 6-2025 Feb. 22, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2025 01 23 09 30 53.5 +42 14 04 14.2797 15.1623 152.9 1.7 18.8
...
2025 02 07 09 25 06.1 +42 15 09 14.2514 15.1378 153.1 1.7 18.8
...
2025 02 15 09 21 59.0 +42 12 18 14.2632 15.1248 149.8 1.9 18.8
...
2025 02 21 09 19 41.2 +42 08 30 14.2840 15.1152 146.1 2.1 18.8
2025 02 22 09 19 18.6 +42 07 44 14.2884 15.1135 145.5 2.1 18.8
2025 02 23 09 18 56.1 +42 06 55 14.2931 15.1119 144.8 2.2 18.8
...
2025 03 01 09 16 44.3 +42 01 10 14.3268 15.1023 140.3 2.4 18.8
...
2025 03 09 09 13 58.9 +41 51 15 14.3858 15.0896 133.8 2.7 18.8
...
2025 03 24 09 09 31.3 +41 26 09 14.5335 15.0658 120.6 3.3 18.8



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