C/2023 A2 (SWAN) _ CK23A020 _ SWAN23A object ..

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C/2023 A2 (SWAN) _ CK23A020 _ SWAN23A object, MPEC 2023-D49, CBET 5226

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ 2023 mag _ 14 10 2023 _ 1.gif

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ 2023 mag _ 26 02 2023 _ 1.gif

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ 12 00 UTС + 3 мск _ 23 02 2023 _ 1.gif

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ Hyperbolic Comet (JPL) _ 23 02 2023 _ 3.png

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ Hyperbolic Comet (JPL) _ 23 02 2023 _ 1.png

C2023 A2 (SWAN) _ CK23A020 _ SWAN23A object (Feb. 23.35 UT) _ MPEC 2023-D49, CBET 5226 _ 2023 mag _ 23 02 2023 _ 1.png

C/2023 A2 (SWAN) / CK23A020 (e=1.000, i=94.6°, q=0.947 AU, TP=2023 Jan. 20.30 TT) was picked up on 6 UT Jan. by the Solar & Heliospheric Obs. (SOHO), which observed it at Dec. 26.00p1, 28.00p1, Jan. 5.00p1, 6.00p1, 7.00p1, 8.00p1, 9.00p1, 10.00p1, 11.00p1, 12.00p1, 13.00p1, 14.00p1, 15.00p1, 16.00p1, 17.00p1, 18.00p1, 19.00p1, 21.00p1, 22.00p1, 23.00p1, and 24.00p1. This detection was confirmed by roving observer (Jan. 30.87-88p3, Feb. 4.86p2, 15.38-39p2, 16.36-37p2 & 20.39p2), program code 3 via STEREO-A (Feb. 1.24-43p8, 1.60-71p5, 1.82-99p7, 2.13-27p6, 2.38-60p9, 2.82-88p3, 2.93-96p2, 3.16-24p4, 3.68-74p3, 4.43-63p8, 4.68-74p3, 4.79-99p8, 5.18-24p3, 5.29-38p4, 5.52-60p4 & 5.66-74p4), the HI1-A instrument (4) via STEREO-A (Feb. 3.31p1, 6.37p1, 6.67p1 & 6.89p1), Auger Obs. (Feb. 14.37-38p2, 15.37p2, 18.37p2 & 20.37p2), program code 6 via ChileScope Obs. (Feb. 15.38p2 & 19.37-38p3), B. Lutkenhoner via Slooh.com Chile Obs. (Feb. 16.39p2, 17.39p2 & 18.38-39p2), program code 14 via Slooh.com Chile Obs. (Feb. 19.38p2), ESA TBT (Feb. 20.37-38p4), G. Gasparovic via Slooh.com Chile Obs. (Feb. 21.38-39p3), program code 11 via Slooh.com Chile Obs. (Feb. 21.39p2), and Slooh.com Chile Obs. (Feb. 22.39p2).

Orbital elements:
C/2023 A2 (SWAN)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 20.29510 TT Rudenko
q 0.9471585 (2000.0) P Q
z -0.0092756 Peri. 142.38179 +0.11072798 -0.01483723
+/-0.0131025 Node 94.51100 -0.96300859 -0.24876427
e 1.0000000 Incl. 94.56483 +0.24567002 -0.96845041
From 18 observations 2023 Feb. 14-20, mean residual 0".8.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 01 24 19 23 42.3 -05 49 34 1.8155 0.9494 19.8 20.5 14.6
...
2023 02 08 19 51 36.9 -15 15 43 1.8429 1.0031 22.3 21.9 14.8
...
2023 02 16 20 07 17.4 -20 10 30 1.8366 1.0571 27.0 25.1 15.1
...
2023 02 22 20 19 42.0 -23 50 48 1.8244 1.1066 31.4 27.7 15.2
2023 02 23 20 21 50.1 -24 27 33 1.8218 1.1155 32.1 28.1 15.3
2023 02 24 20 23 59.4 -25 04 20 1.8192 1.1246 32.9 28.5 15.3
...
2023 03 02 20 37 23.4 -28 45 50 1.8009 1.1823 37.6 30.8 15.5
...
2023 03 10 20 56 45.0 -33 44 23 1.7729 1.2662 44.2 33.1 15.8
...
2023 03 25 21 39 23.3 -43 15 44 1.7226 1.4383 56.6 35.3 16.3


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