240P/NEAT (2025)

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Updated on October 17, 2025

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* Profile

* Pictures

* 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 = 15.0 + 5 log d + 10.0 log r

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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.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.