393P/Spacewatch-Hill (2019)

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Updated on February 21, 2021

Profile Designation 393P/2019 S5 Recovery Date September 24, 2019 Magnitude 21.5 mag Recoverer Scott S. Sheppard (Cerro Tololo)

Orbital Elements Epoch 2019 Oct. 4.0 TT = JDT 2458760.5 T 2019 Oct. 23.02218 TT Rudenko q 4.2085081 (2000.0) P Q n 0.09427880 Peri. 327.92428 +0.98367507 -0.05425743 a 4.7810874 Node 36.41858 +0.14725614 +0.79073882 e 0.1197592 Incl. 16.79869 -0.10343590 +0.60974441 P 10.5 From 143 observations 2009 Sept. 17-2020 Dec. 11, mean residual 0".6.

Magnitudes Graph m1 = 2.0 + 5 log d + 25 log r

The orbital elements are published on M.P.E.C. 2021-B143. The magnitudes graphs are made with Comet for Windows.