C/2021 S4 (Tsuchinshan) (Record n° 27990)
Orbital period : 2014.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Dec 19 19h07 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 17.7 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 6.690 AU d (dist/Earth) 5.771 AU Right ascension 04 41 07.27 h m s Declination +41 41 28.7 ° ' " MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 15
ACK MPCReport file updated 2023.12.20 08:52:19
NET UCAC4
AC2 fkugel@free.fr
CK21S040 KC2023 12 19.79684 04 41 07.27 +41 41 28.7 17.7 V A77
CK21S040 KC2023 12 19.81063 04 41 06.86 +41 41 28.1 17.7 V A77
CK21S040 KC2023 12 19.82400 04 41 06.45 +41 41 27.3 17.6 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(s) None Camera Atik460ex Sensor CCD Binning 1x1 Exposure details 50x60s Observatory MPC code A77 Reference stars catalog UCAC4
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2023 Dec 20 09h59m41s Observation modification date 2023 Dec 20 10h02m00s