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C/2021 P4 (ATLAS)

Orbital period : 5369.00 years

NASA/JPL elements
IAU/MPC elements


On 2022 Apr 16 19h27 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)13.1
Aperture radius used for m10.4 '
Nuclear magnitude (m2)14.6
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 1.952 AU
d (dist/Earth) 2.457 AU
Right ascension02 22 15.70 h m s
Declination+58 18 02.8 ° ' "
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 2022.04.17 07:53:35
AC2 fkugel@free.fr
NET NOMAD
    CK21P040  C2022 04 16.81042 02 22 15.70 +58 18 02.8          13.1 T      A77
    CK21P040  C2022 04 16.81488 02 22 16.86 +58 18 04.6          14.6 V      A77
    CK21P040  C2022 04 16.82061 02 22 18.36 +58 18 06.0          14.6 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
Sensor temperature-10 °C
MountMeade-MCMT-TDM
Exposure details11x45s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2022 Apr 17 07h58m48s
Observation modification date2022 Apr 17 08h03m00s

(Record n° 25368)

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