503P/PanSTARRS (2025)

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Updated on August 30, 2025

Profile Designation 503P/2025 F3 Recovery Date April 9 and March 31, 2025 Magnitude 20.9 mag Recoverer T. Prystavski (Lviv, Ukraine), Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 Nov. 5.57226 TT Spoto q 1.8973033 (2000.0) P Q n 0.14089052 Peri. 17.95393 +0.27938828 +0.94248809 a 3.6577572 Node 268.58232 -0.90191826 +0.19205758 e 0.4812933 Incl. 10.57476 -0.32937159 +0.27355088 P 7.00 From 95 observations 2011 Mar. 26-2025 May 5, mean residual 0".2. Nongravitational parameters A1 = +0.15, A2 = -0.0606.

Magnitudes Graph m1 = 15.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-J73. The magnitudes graphs are made with Comet for Windows.