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C/2021 Q3 (ATLAS)

Orbital period : 644.90 years

NASA/JPL elements
IAU/MPC elements


On 2021 Sep 17 19h11 UT by Joel Nicolas


(Copyright Joel Nicolas)

Nuclear magnitude (m2)19.1
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 5.298 AU
d (dist/Earth) 5.353 AU
Right ascension15 10 06.75 h m s
Declination+79 37 30.7 ° ' "
MPC report
COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2021.09.18 09:53:02
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
    CK21Q030 KC2021 09 17.79958 15 10 06.75 +79 37 30.7          19.0 N      A77
    CK21Q030 KC2021 09 17.80728 15 10 06.71 +79 37 27.2          19.1 N      A77
    CK21Q030 KC2021 09 17.81499 15 10 06.62 +79 37 23.7          19.1 N      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)None
CameraST8XME
SensorCCD
Sensor temperature-12 °C
Binning1x1
Exposure details10*120s
Air mass1.35
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2021 Sep 18 10h03m16s
Observation modification date2021 Sep 18 10h04m44s

(Record n° 23980)

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