C/2021 X2 (Bok) _ CK21X020 _ C08YMM5 object ..

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C/2021 X2 (Bok) _ CK21X020 _ C08YMM5 object (Dec. 15.06 UT), MPEC 2021-X227 (A/2021 X2 _ AK21X020), MPEC 2024-E08, CBET 5363
Ø кометного ядра 1780.17 м

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C/2021 X2 (Bok) / CK21X020 (e=1.001, i=137.2°, q=2.996 AU, TP=2022 July 8.10 TT) was picked up at 0904 UT on 1 Dec. 2021 by the Bok Telescope, which observed it at 2021 Dec. 1.38-39p4. This detection was confirmed by PS1 (2021 Oct. 30.61-63p4 & 2022 Oct. 2.57-60p4), PS2 (2021 Nov. 8.58-59p2, 2022 Sept. 8.60-62p3 & 2022 Sept. 23.52-55p4), the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (2021 Dec. 1.48p2, 2021 Dec. 2.18p2 & 2021 Dec. 7.43-44p3), San Pedro Martir Obs. (2021 Dec. 1.49p1), Hidetaka Sato via iTelescope Obs. Mayhill (2021 Dec. 12.34-35p2), E. Schwab via Calar Alto Schmidt (2021 Dec. 12.86-88p3), KPNO (2021 Dec. 18.14-17p3, 2021 Dec. 20.13-15p3, 2022 Jan. 13.21-24p3, 2022 Jan. 15.22-25p3 & 2022 Jan. 18.17-19p2), Buchloe Obs. (2022 Jan. 1.86-87p3 & 2022 Sept. 21.10-11p3), Marco Micheli via Maunakea (2022 Feb. 5.22-23p3, 2022 July 25.57-58p3 & 2022 Aug. 23.54p3), Hidetaka Sato via iTelescope Obs. Siding Spring (2022 Aug. 9.81-82p2 & 2022 Nov. 18.47-48p2), Lulin Minor Bodies Tracking (LIMIT) (2022 Aug. 9.84-86p3, 2022 Aug. 20.78-81p5, 2022 Aug. 21.82-83p3 & 2022 Aug. 24.83-84p3), the Mt. Lemmon Survey (MLS) (2022 Oct. 2.40-41p4 & 2022 Oct. 3.37-39p4), Hidetaka Sato via ChileScope Obs. (2022 Oct. 20.02-03p3), and Marco Micheli via Canada-France-Hawaii Telescope (2022 Nov. 23.29-30p3).

Orbital elements:
C/2021 X2 (Bok)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2022 July 8.10442 TT Rudenko
q 2.9957085 (2000.0) P Q
z -0.0003083 Peri. 193.31491 +0.76779267 +0.38545525
+/-0.0000006 Node 228.82340 +0.63229058 -0.32687359
e 1.0009236 Incl. 137.16104 +0.10345549 -0.86288928
From 95 observations 2021 Oct. 30-2022 Nov. 23, mean residual 0".5.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 02 01 21 11 24.6 -54 06 57 6.7845 6.0253 36.9 5.6 25.0
...
2024 02 16 21 19 46.7 -53 53 57 6.8318 6.1307 41.8 6.2 25.0
...
2024 02 24 21 24 00.6 -53 55 12 6.8365 6.1870 45.8 6.6 25.1
...
2024 03 01 21 27 00.7 -54 00 01 6.8314 6.2292 49.2 6.9 25.1
2024 03 02 21 27 29.6 -54 01 09 6.8298 6.2362 49.8 7.0 25.1
2024 03 03 21 27 58.3 -54 02 23 6.8281 6.2432 50.4 7.0 25.1
...
2024 03 09 21 30 42.9 -54 11 45 6.8138 6.2854 54.2 7.4 25.2
...
2024 03 17 21 33 59.3 -54 29 45 6.7851 6.3416 59.7 7.8 25.2
...
2024 04 01 21 38 36.9 -55 20 38 6.7073 6.4468 70.7 8.4 25.2



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