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C/2021 S4 (Tsuchinshan)

Orbital period : 2014.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Oct 27 03h42 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)17.6
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 6.704 AU
d (dist/Earth) 5.999 AU
Right ascension05 00 59.03 h m s
Declination+40 54 59.8 ° ' "
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 configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade MCMT-TDM
Exposure details28x60s
Observatory MPC codeA77
Reference stars catalogAPASS
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2023 Oct 27 07h33m43s
Observation modification date2023 Oct 27 07h36m41s

(Record n° 27769)

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