P/2023 Y3 = P/2017 BQ100 (ATLAS) _ PK17BA0Q _ A10ZtNK object

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P/2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P/2017 BQ100 (ATLAS) _ PK17BA0Q, MPEC 2024-B139, CBET 5338
Ø кометного ядра 2042 м

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 2024 mag _ 28 01 2024 _ 1.gif

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 18 00 UTC + 3 мск _ 27 01 2024 _ 1.gif

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 2021 mag _ 01 11 2021 _ 1.gif

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 2017 mag _ 15 06 2021 _ 1.gif

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 27 01 2024 _ 2.png

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 27 01 2024 _ 3.png

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 27 01 2024 _ 4.png

P2023 Y3 (ATLAS) _ PK23Y030 _ A10ZtNK object (Jan. 27.20 UT) = P2017 BQ100 (ATLAS) _ PK17BA0Q _ MPEC 2024-B139 _ 28 01 2024 _ 1.png

P/2023 Y3 (ATLAS) / PK23Y030 (q=2.394 AU, Q=7.294 AU, TP=2024 May 1.82 TT) was picked up at 2335 UT on 18 Dec. 2023 by ATLAS Sutherland, which observed it at Dec. 18.98-01p4. This detection was confirmed by E.J. Christensen via the Mt. Lemmon Survey (MLS) (2023 Oct. 12.47-48p4 & 2024 Dec. 5.48-49p4), Pan-STARRS 2 (PS2) (Nov. 17.61-62p2), Pan-STARRS 1 (PS1) (Nov. 20.50-52p3), ATLAS Chile (Dec. 13.30-32p3, Jan. 2.25-27p4, 6.20-24p4 & 18.20-24p4), Sormano Obs. (Dec. 19.85-87p3), Pascoli Obs. (Dec. 19.87-89p3), Visnjan Obs. (Dec. 19.88-90p5), LCO Sutherland Aqawan A#1 (Dec. 19.90p3), ALMO Obs. (Dec. 19.91-95p2), Virgil Obs. (Dec. 19.92-93p3), Sormano2 Obs. (Dec. 19.92-95p3), GiaGa Obs. (Dec. 19.93-96p3), program code 7 via Skygems Northern Obs. (Dec. 19.94-95p2), BiAnto Obs. (Dec. 19.96p1 & 20.01p1), Starhopper Obs. (Dec. 20.03p3, Jan. 5.82-83p3, 10.80-81p3 & 22.83p2), Olmen Obs. (Dec. 20.05-06p4, Jan. 7.91-92p4, 8.93-94p4, 9.85-86p4, 10.91-92p5 & 16.81p2), Comet Hunter Obs. (Dec. 20.22-25p3 & Jan. 3.12-15p3), Hidetaka Sato via iTelescope Chile (Dec. 20.31-32p2), Gisborne Obs. (Dec. 20.44-48p3, Jan. 7.46-49p4 & 8.43-47p4), MASTER-II Tunka (Dec. 20.73-76p2), M. Junius via IAS Remote Obs. (Dec. 20.88-92p3), San Marcello Pistoiese Obs. (Dec. 20.89-90p3), N. Paul via Slooh.com Chile Obs. (Dec. 21.27-28p2), SADR Obs. (Dec. 21.32-35p4), Southern Utsunomiya Obs. (Dec. 22.60-61p2, Jan. 1.63-64p2, 4.56-57p2, 6.62-63p2, 8.52-53p2, 9.50-51p2, 11.55-56p2, 13.58-59p2 & 14.54-55p2), Golden Ears Obs. (Dec. 23.25-27p2), Schiaparelli Obs. (Dec. 24.89-93p2 & Jan. 1.92-94p3), M57 Obs. (Dec. 25.13-15p2 & Jan. 13.09-13p2), Auger Obs. (Dec. 25.23p1 & 25.27p1), J.D. Armstrong via LCO Cerro Tololo A (Dec. 31.17p4), Chante-Perdrix Obs. (Dec. 31.81-82p3 & Jan. 12.83-86p3), 29PREMOTE Obs. (Dec. 31.83-86p3 & Jan. 1.82-84p3), Muensterschwarzach Obs. (Dec. 31.95-98p4, Jan. 8.92p2 & 11.89-90p3), ATLAS Haleakala (Jan. 1.47-52p4, 5.45-51p4 & 20.34-35p4), Daocheng Glacier Obs. (Jan. 1.63-68p4), Bernezzo Obs. (Jan. 1.88-90p2), Farra d'Isonzo Obs. (Jan. 1.93-95p3), D. Husar via IAS Remote Obs. (Jan. 2.01-02p3, 9.98p3 & 10.92-93p3), RPF Obs. (Jan. 2.84-85p3), ATLAS Mauna Loa (Jan. 3.43-47p4, 14.41-47p4, 15.41-46p4 & 19.42-45p4), Nastro Verde Obs. (Jan. 3.87p2), JAXA Space Tracking & Communications Center (JAXA STCC) (Jan. 4.49p3), AB Obs. (Jan. 4.82-83p3), Harsona Obs. (Jan. 4.92-95p3), AZM Martinsberg (Jan. 4.97-98p3, 12.86-87p3 & 16.86-88p3), Oukaimeden Obs. (Jan. 5.03-04p3), Cewanee Obs. at DSNM (Jan. 6.34-36p2 & 7.36-41p4), Dave Balam via Dominion Astrophysical Obs. (DomAO) (Jan. 7.26-28p5), Marian Urbanik via iTelescope Obs. Beryl Jct. (Jan. 8.39-40p2), Shinshiro Obs. (Jan. 8.61-63p2 & 11.66p2), Bredenkamp Obs. (Jan. 8.95-97p3, 9.93-96p3, 10.92-94p3 & 18.88-91p3), North Mesa Obs. (Jan. 9.23p1, 9.40p1, 10.19p2, 10.24p1, 11.18-19p2, 12.21-24p2, 14.14-19p4, 16.22-23p2 & 17.20-21p3), Kysuce Obs. (Jan. 9.76-77p3), Schafsweide Obs. (Jan. 9.77-78p2), ROASTERR-1 (Jan. 9.79-81p3), Soerth Obs. (Jan. 9.81-82p3 & 16.86-87p3), Brixiis Obs. (Jan. 9.90-93p2), Northolt Branch Obs. (Jan. 9.92-93p2), Dettelbach Vineyard Obs. (Jan. 9.96-00p3 & 10.05p1), Kant Obs. (Jan. 10.10-14p3, 10.93-98p3 & 21.00-06p4), Moriyama Obs. (Jan. 10.55-58p3 & 11.64-65p2), Rokycany Obs. (Jan. 10.77p3), Fukuchiyama & Kannabe Obs. (Jan. 11.58-59p3), BAS Obs. (Jan. 11.87-90p3), SATINO-1 (Jan. 12.04-05p3), Forti Obs. (Jan. 12.88p3), PASTIS Obs. (Jan. 12.90-91p3), R. Kresken via Calar Alto Schmidt (Jan. 12.98-00p2), Buchloe Obs. (Jan. 13.83-84p3), Lumezzane Obs. (Jan. 13.95-97p3), Lesedi Telescope (Jan. 14.88p3 & 15.89-90p3), Al-Fulaij Obs. (Jan. 15.66-69p6), A. Ivanov & team via Kuban State Univ. Obs. (Jan. 16.94-95p3), M. Masek via La Palma (Jan. 17.85-89p3), Chelmsford Obs. (Jan. 18.86p1 & 18.91p1), Great Shefford Obs. (Jan. 18.96-97p2), M. Tichy & team via KLENOT (Jan. 20.83p3), Hoyerswerda Obs. (Jan. 20.87-88p2), St. Pardon de Conques Obs. (Jan. 20.92-93p3), Irydeo Obs. (Jan. 21.83-86p3), and Alto Turia Obs. (Jan. 21.90-93p3).
P/2017 BQ100 / PK17BA0Q was picked up at 1147 UT on 28 Jan. 2017 by PS1, which observed it at 2015 Oct. 13.42p1, 2015 Oct. 15.48-50p3, 2015 Dec. 5.35p1, 2015 Dec. 6.30-33p4, 2016 Jan. 3.27p1, 2016 Nov. 10.58-61p4, 2017 Jan. 28.49-53p4, 2017 Feb. 27.24-28p3, 2018 June 4.34p1, and 2018 June 10.38p1. This detection was confirmed by Sam Deen via DECam (2015 Sept. 18.26-27p3 & 2017 Jan. 28.24p2), Sam Deen via Subaru Telescope (2016 Jan. 15.22-32p6), the Mt. Lemmon Survey (MLS) (2017 Jan. 26.34-36p4 & 2017 Jan. 31.33-34p4), and Oukaimeden Obs. (2017 Jan. 29.03-07p4).

Orbital elements:
P/2023 Y3 (ATLAS)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 1.81561 TT Rudenko
q 2.3939182 (2000.0) P Q
n 0.14152028 Peri. 13.12771 -0.76625232 -0.61893718
a 3.6468979 Node 127.27583 +0.56819350 -0.77809452
e 0.3435741 Incl. 12.52394 +0.30002256 -0.10717129
P 6.96
From 448 observations 2015 Sept. 18-2024 Jan. 22, mean residual 0".6.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 12 28 07 15 28.7 +13 57 30 1.5647 2.5268 164.7 5.9 18.5
...
2024 01 12 07 03 53.5 +15 33 56 1.5218 2.4982 171.1 3.5 18.4
...
2024 01 20 06 57 44.4 +16 32 42 1.5246 2.4842 163.6 6.4 18.4
...
2024 01 26 06 53 37.7 +17 18 00 1.5378 2.4743 157.0 8.9 18.4
2024 01 27 06 53 00.1 +17 25 35 1.5409 2.4727 155.9 9.4 18.4
2024 01 28 06 52 23.8 +17 33 08 1.5443 2.4711 154.8 9.8 18.4
...
2024 02 03 06 49 13.3 +18 18 08 1.5694 2.4619 148.1 12.2 18.4
...
2024 02 11 06 46 24.8 +19 16 04 1.6153 2.4504 139.4 15.2 18.4
...
2024 02 26 06 46 17.4 +20 53 35 1.7328 2.4316 124.2 19.7 18.6



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