C/2023 X2 (Lemmon) _ CK23X020 _ C9YKH92 object ..

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C/2023 X2 (Lemmon) _ CK23X020 _ C9YKH92 object (Dec. 12.03 UT), MPEC 2023-X226, CBET 5323
Ø кометного ядра 11123 м

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C/2023 X2 (Lemmon) / CK23X020 (i=77.0°, q=5.105 AU, Q=227388.111 AU, TP=2025 Dec. 26.29 TT) was picked up at 0826 UT on 4 Dec. by MLS/Christensen, which observed it at Nov. 4.45-46p4 and Dec. 4.35-37p4. This detection was confirmed by PS2 (Aug. 18.61-62p4, Sept. 20.56-58p3, Oct. 7.49-53p4, 17.47-50p4, Nov. 16.39-42p3 & Dec. 7.33-37p4), PS1 (Oct. 12.47-51p4 & Dec. 4.32-36p4), J. Camarasa via Skygems Chile (Dec. 5.06-08p2), Hidetaka Sato via iTelescope Obs. Beryl Jct. (Dec. 6.16-17p2), Sormano Obs. (Dec. 6.75-76p3), Schiaparelli Obs. (Dec. 6.82-88p3 & 7.00-02p2), AZM Martinsberg (Dec. 7.79-81p6), San Marcello Pistoiese Obs. (Dec. 7.93-94p2), Visnjan Obs. (Dec. 8.00-02p3), Dave Balam via Dominion Astrophysical Obs. (DomAO) (Dec. 8.27-29p5), RPF Obs. (Dec. 8.79-82p3), Comet Hunter Obs. (Dec. 9.06-09p3), and SADR Obs. (Dec. 11.19-22p3).

Orbital elements:
C/2023 X2 (Lemmon)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Dec. 26.29303 TT Veres
q 5.1048631 (2000.0) P Q
z +0.0000088 Peri. 64.41124 -0.01269381 -0.45151571
+/-0.0000699 Node 66.31255 +0.08830966 -0.88926448
e 0.9999551 Incl. 76.97025 +0.99601218 +0.07309066
From 75 observations 2023 Aug. 18-Dec. 11, mean residual 0".3.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 11 12 04 26 36.4 +15 14 13 6.6812 7.6221 160.6 2.5 19.9
...
2023 11 27 04 17 49.6 +15 45 55 6.5636 7.5463 174.4 0.7 19.9
...
2023 12 05 04 12 56.5 +16 03 52 6.5320 7.5061 170.6 1.2 19.8
...
2023 12 11 04 09 17.6 +16 17 52 6.5227 7.4760 164.4 2.0 19.8
2023 12 12 04 08 41.5 +16 20 15 6.5223 7.4709 163.3 2.2 19.8
2023 12 13 04 08 05.5 +16 22 38 6.5222 7.4659 162.2 2.3 19.8
...
2023 12 19 04 04 34.1 +16 37 19 6.5288 7.4359 155.6 3.1 19.8
...
2023 12 27 04 00 07.8 +16 57 45 6.5550 7.3960 146.6 4.2 19.8
...
2024 01 11 03 52 58.5 +17 39 02 6.6515 7.3215 129.9 5.9 19.8



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