C/2021 S4 (Tsuchinshan) (Record n° 27769)
Perihelion distance : 6.7 AU
Inclination to ecliptic : 17 °
Orbital period : 1813 years
Eccentricity : 0.95
NASA/JPL elements
IAU/MPC elements
On 2023 Oct 27 03h42 UT by Francois Kugel
(Copyright Francois Kugel)Magnitude (MPC m2) 17.6 Magnitude standard deviation 0.1 Aperture radius for m2 5.8 " r (dist/Sun) 6.704 AU d (dist/Earth) 5.999 AU Right ascension 75.24596 ° Declination +40.91661 ° MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 19
ACK MPCReport file updated 2023.10.27 07:32:13
NET APASS
AC2 fkugel@free.fr
CK21S040 KC2023 10 27.15406 05 00 59.03 +40 54 59.8 17.5 V A77
CK21S040 KC2023 10 27.16622 05 00 58.99 +40 55 01.0 17.7 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 -15 °C Binning 1x1 Mount Meade MCMT-TDM Picture exposure details 28x60s Observatory MPC code A77 Reference stars catalog (ast) APASS
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2023 Oct 27 07h33m43s Observation modification date 2023 Oct 27 07h36m41s