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主題: C/2020 T4 (PANSTARRS) AND T3 作者: peter 於 2020-10-24 08:48:01 MPEC U198: C/2020 T4 (PANSTARRS), new near-polar, quasi-parabolic comet with precovery observations back to 2020-09-26.
q = 2.19 au @ 2021-07-05 e = 1.00035 (MPC) / 1.00056 ± 0.00307 (JPL) ; i = 83.8° Current V = 19.5 MPEC U197: P/2020 T3 (PANSTARRS), new short-period comet with precovery observations back to 2020-09-09. a = 3.52 au (P = 6.60 a) ; e = 0.59 ; i = 7.30° q = 1.44 au @ 2021-01-20 Current V = 19.5 |