P/2025 D4 (ATLAS) _ PK25D040 _ A11jANL object ..

[Gremlin]

P/2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT), MPEC 2025-D235, CBET 5514
Ø кометного ядра 4876 м

P2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT) _ MPEC 2025-D235, CBET 5514 _ 2025 mag _ 01 04 2025 _ 1.gif

P2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT) _ MPEC 2025-D235, CBET 5515 _ 18 00 UTC + 3 мск _ 28 02 2025 _ 1.gif

P2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT) _ MPEC 2025-D235, CBET 55xx _ 28 02 2025 _ 1.png

P2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT) _ MPEC 2025-D235, CBET 55xx _ 28 02 2025 _ 2.png

P2025 D4 (ATLAS) _ PK25D040 _ A11jANL object (Feb. 27.95 UT) _ MPEC 2025-D235, CBET 55xx _ 28 02 2025 _ 3.png

P/2025 D4 (ATLAS) / PK25D040 (q=3.255 AU, Q=17.803 AU, TP=2025 Feb. 14.29 TT) was picked up at 0724 UT on 24 Feb. by ATLAS Chile, which observed it at Feb. 23.32-34p2, 24.31-32p4, and 27.30-32p4. This detection was confirmed by Pan-STARRS 2 (PS2) (2023 Dec. 10.63p1, 2023 Dec. 14.63p1, 2024 Jan. 5.52p1 & 2024 Feb. 6.43-45p3), Pan-STARRS 1 (PS1) (2023 Dec. 18.57p1, 2023 Dec. 23.60p1, 2024 March 29.28-32p4, 2024 April 27.24p1, 2024 May 8.26p1, 2024 May 22.26p1, 2024 May 26.26p1, 2025 Jan. 6.63-64p2 & 2025 Feb. 27.56-58p3), Cewanee Obs. at DSNM (Feb. 25.51-52p3), J.D. Armstrong via LCO Cerro Tololo B (Feb. 26.22-23p4), and Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) (Feb. 26.31-32p4).

Orbital elements:
P/2025 D4 (ATLAS)
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Feb. 14.28592 TT Veres
q 3.2549287 (2000.0) P Q
n 0.03711124 Peri. 332.88947 -0.88470403 +0.41114196
a 8.9015518 Node 233.12009 -0.36219956 -0.90295663
e 0.6343414 Incl. 15.94062 -0.29344550 -0.12502646
P 26.6
From 42 observations 2023 Dec. 10-2025 Feb. 27, mean residual 0".3.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2025 01 28 14 23 10.9 -23 03 02 3.1578 3.2576 87.0 17.6 20.8
...
2025 02 12 14 35 40.7 -23 43 40 2.9498 3.2550 99.1 17.4 20.7
...
2025 02 20 14 40 53.6 -23 55 38 2.8426 3.2552 105.9 17.0 20.6
...
2025 02 26 14 44 03.6 -23 59 46 2.7650 3.2561 111.2 16.5 20.5
2025 02 27 14 44 31.4 -24 00 02 2.7524 3.2564 112.1 16.4 20.5
2025 02 28 14 44 58.0 -24 00 10 2.7399 3.2566 113.0 16.3 20.5
...
2025 03 06 14 47 13.0 -23 58 21 2.6670 3.2584 118.4 15.5 20.5
...
2025 03 14 14 49 06.9 -23 48 39 2.5767 3.2617 126.0 14.3 20.4
...
2025 03 29 14 49 18.1 -23 07 03 2.4348 3.2710 140.9 11.1 20.3



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