C/2021 S4 (Tsuchinshan) (Record n° 27657)
Perihelion distance : 6.69 AU
Inclination to ecliptic : 17 °
Orbital period : 1902 years
Eccentricity : 0.96
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 30 03h01 UT by Francois KugelMagnitude (MPC m2) 18 Magnitude standard deviation 0.1 Aperture radius for m2 5.8 " r (dist/Sun) 6.718 AU d (dist/Earth) 6.353 AU Right ascension 75.39525 ° Declination +39.63272 ° MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 6
ACK MPCReport file updated 2023.09.30 06:17:17
NET APASS
AC2 fkugel@free.fr
CK21S040 KC2023 09 30.12594 05 01 34.86 +39 37 57.8 17.8 V A77
CK21S040 KC2023 09 30.13202 05 01 34.69 +39 37 57.7 18.1 V A77
CK21S040 KC2023 09 30.13770 05 01 34.62 +39 37 59.3 18.1 V A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter None Camera Atik460ex Sensor CCD Sensor temperature -13 °C Binning 1x1 Mount Meade MCMT-TDM Observatory MPC code A77 Reference stars catalog (ast) APASS
Observation submission date 2023 Sep 30 06h18m15s