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C/2021 S4 (Tsuchinshan)

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 deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 6.690 AU
d (dist/Earth) 5.771 AU
Right ascension04 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 configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Binning1x1
Exposure details50x60s
Observatory MPC codeA77
Reference stars catalogUCAC4
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2023 Dec 20 09h59m41s
Observation modification date2023 Dec 20 10h02m00s

(Record n° 27990)

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