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C/2021 P4 (ATLAS)

Orbital period : 5369.00 years

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 31 18h03 UT by Francois Kugel


(Copyright Francois Kugel)

Nuclear magnitude (m2)16.7
m2 standard deviation0.2
Aperture radius used for m25.8 "
r (dist/Sun) 3.167 AU
d (dist/Earth) 2.983 AU
Right ascension22 38 11.86 h m s
Declination+52 34 31.5 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.12.31 22:18:31
AC2 fkugel@free.fr
NET NOMAD
    CK21P040 KC2021 12 31.75186 22 38 11.86 +52 34 31.5          16.5 V      A77
    CK21P040 KC2021 12 31.76858 22 38 12.49 +52 34 24.7          16.7 V      A77
    CK21P040 KC2021 12 31.78528 22 38 13.16 +52 34 17.9          17.0 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-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details11x120s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Dec 31 22h43m33s
Observation modification date2022 Jan 01 12h03m04s

(Record n° 24698)

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