240P/NEAT (2025)

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Updated on November 28, 2025

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Orbital Elements 240P/NEAT Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 19.94430 TT Alexandersen q 2.1216719 (2000.0) P Q n 0.12988059 Peri. 352.07634 +0.37985109 -0.84086111 a 3.8616527 Node 74.91162 +0.86910818 +0.18165498 e 0.4505793 Incl. 23.53686 +0.31680297 +0.50985690 P 7.59 From 450 observations 2020 Mar. 23-2025 Sept. 15, mean residual 0".7. Nongravitational parameters A1 = -1.88, A2 = +0.8762. 240P/NEAT B Epoch 2025 Dec. 31.0 TT = JDT 2461040.5 T 2025 Dec. 21.38974 TT Pike q 2.1149175 (2000.0) P Q n 0.13185722 Peri. 352.74193 +0.37180508 -0.84445492 a 3.8229631 Node 74.80301 +0.87052686 +0.17291987 e 0.4467858 Incl. 23.54892 +0.32240342 +0.50694636 P 7.47 From 18 observations 2025 June 4-Oct. 3, mean residual 1".2.

Finding Charts

Magnitudes Graph m1 = 5.8 + 5 log d + 20.0 log r [ ,-180] ( - 2025 June 22) m1 = 8.5 + 5 log d + 10.0 log r [-180, 0] (2025 June 22 - 2025 Dec. 19) m1 = 4.5 + 5 log d + 22.0 log r [ 0, ] (2025 Dec. 19 - ) Component B: m1 = 14.0 + 5 log d + 10.0 log r [ ,-65] ( - 2025 Oct. 17) m1 = -67 + 5 log d + 250 log r [-65, 0] (2025 Oct. 17 - 2025 Dec. 21) m1 = 4.5 + 5 log d + 30 log r [ 0, ] (2025 Dec. 21 - )

The orbital elements are published on M.P.E.C. 2025-S35. The orbital elements of the component B are published on M.P.E.C. 2025-T124. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.