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C/2021 S4 (Tsuchinshan)

Perihelion distance : 6.69 AU
Inclination to ecliptic : 17 °
Orbital period : 1902 years
Eccentricity : 0.96

NASA/JPL elements
IAU/MPC elements


On 2023 Sep 30 03h01 UT by Francois Kugel

Magnitude (MPC m2)18
Magnitude standard deviation0.1
Aperture radius for m25.8 "
r (dist/Sun) 6.718 AU
d (dist/Earth) 6.353 AU
Right ascension75.39525 °
Declination+39.63272 °
MPC report
COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 6
ACK MPCReport file updated 2023.09.30 06:17:17
NET APASS
AC2 fkugel@free.fr
    CK21S040 KC2023 09 30.12594 05 01 34.86 +39 37 57.8          17.8 V      A77
    CK21S040 KC2023 09 30.13202 05 01 34.69 +39 37 57.7          18.1 V      A77
    CK21S040 KC2023 09 30.13770 05 01 34.62 +39 37 59.3          18.1 V      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
FilterNone
CameraAtik460ex
SensorCCD
Sensor temperature-13 °C
Binning1x1
MountMeade MCMT-TDM
Observatory MPC codeA77
Reference stars catalog (ast)APASS
Observation submission date2023 Sep 30 06h18m15s

(Record n° 27657)

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