C/2026 S1 ( Euclid )

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Updated on October 17, 2026

Profile Discovery Date September 16, 2026 Magnitude 20.6 mag Discoverer Solar System Objects Science Working Group of the Euclid Consortium (Euclid Deep Field North survey)

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2027 Sept. 2.07900 TT Rudenko q 8.7542568 (2000.0) P Q z +0.0005017 Peri. 101.77679 -0.04719631 -0.56382805 +/-0.0019569 Node 304.16599 -0.19112613 +0.81530848 e 0.9956082 Incl. 85.22516 +0.98043017 +0.13179537 From 54 observations 2026 Sept. 16-Oct. 8, mean residual 0".5.

Magnitudes Graph m1 = 6.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2026-T146. The magnitudes graphs are made with Comet for Windows.