C/2021 S4 (Tsuchinshan) (Record n° 29565)
Orbital period : 2014.00 years
NASA/JPL elements
IAU/MPC elements
On 2025 Mar 02 20h02 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 18 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 7.228 AU d (dist/Earth) 6.667 AU Right ascension 07 12 04.07 h m s Declination +40 50 53.7 ° ' " MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 36
ACK MPCReport file updated 2025.03.03 07:52:59
NET APASS
AC2 fkugel@free.fr
CK21S040 KC2025 03 02.83494 07 12 04.07 +40 50 53.7 17.9 R A77
CK21S040 KC2025 03 02.84386 07 12 04.11 +40 50 50.9 18.1 R A77
CK21S040 KC2025 03 02.85277 07 12 03.99 +40 50 51.5 18.1 R 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(s) None Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 33x60s Observatory MPC code A77 Reference stars catalog APASS
Used softwares Tycho Tracker Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2025 Mar 03 08h54m48s Observation modification date 2025 Mar 03 09h47m45s