Астрогалактика

Коррекция орбиты некоторых комет от 6 января 2026 года, MPEC 2026-A17

Orbital elements:
C/2025 K1 (ATLAS)
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 8.44006 TT Pike
q 0.3341949 (2000.0) P Q
z -0.0007034 Peri. 271.01991 -0.84164321 -0.11655991
Node 97.55758 +0.12557780 +0.90742055
e 1.0002351 Incl. 147.86434 -0.52523036 +0.40373472
From 2771 observations 2025 Apr. 8-Dec. 9, mean residual 0".6.
Nongravitational parameters A1 = +1.25, A2 = -0.1462.

C/2025 K1-B (ATLAS)
Epoch 2025 Oct. 12.0 TT = JDT 2460960.5
T 2025 Oct. 8.44864 TT Pike
q 0.3351742 (2000.0) P Q
z -0.0041654 Peri. 271.21102 -0.84223125 -0.11463322
+/-0.0007463 Node 97.60876 +0.12769668 +0.90690765
e 1.0013961 Incl. 147.89534 -0.52377483 +0.40543525
From 166 observations 2025 Nov. 5-18, mean residual 0".7.

C/2025 K1-C (ATLAS)
Epoch 2025 Oct. 12.0 TT = JDT 2460960.5
T 2025 Oct. 8.43886 TT Pike
q 0.3336538 (2000.0) P Q
z +0.0006851 Peri. 270.91919 -0.84131527 -0.11754166
+/-0.0000701 Node 97.52872 +0.12450039 +0.90769228
e 0.9997714 Incl. 147.84590 -0.52601166 +0.40283828
From 806 observations 2025 Nov. 14-2026 Jan. 1, mean residual 0".7.

C/2025 K1-D (ATLAS)
Epoch 2025 Oct. 12.0 TT = JDT 2460960.5
T 2025 Oct. 8.49417 TT Pike
q 0.3421640 (2000.0) P Q
z -0.0253184 Peri. 272.53735 -0.84624443 -0.10128090
+/-0.0082156 Node 97.96947 +0.14220996 +0.90321091
e 1.0086630 Incl. 148.11737 -0.51346537 +0.41707581
From 142 observations 2025 Nov. 26-30, mean residual 0".3.