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C/2021 A2

Orbital period : 3971.00 years

NASA/JPL elements
IAU/MPC elements


On 2021 Feb 08 04h09 UT by Jean-Louis Virlichie


(Copyright Jean-Louis Virlichie)

Coma Total magnitude (m1)12.7
Aperture radius used for m11.4 '
Nuclear magnitude (m2)13.9
m2 standard deviation0.1
Aperture radius used for m211 "
r (dist/Sun) 1.433 AU
d (dist/Earth) 0.530 AU
Right ascension06 50 45.10 h m s
Declination+02 57 29.6 ° ' "
MPC report
COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2021.02.08 14:59:26
AC2 jl.virlichie@gmail.com
NET Gaia DR2
    CK21A020  C2021 02 08.17278 06 50 45.10 +02 57 29.6          13.5 G      X03
    CK21A020  C2021 02 08.17642 06 50 43.48 +02 58 03.7          13.9 G      X03
    CK21A020  C2021 02 08.18052 06 50 41.79 +02 58 43.2          13.9 G      X03
    CK21A020  C2021 02 08.18435 06 50 40.23 +02 59 20.3          13.9 G      X03
    CK21A020  C2021 02 08.18800 06 50 38.77 +02 59 55.6          13.9 G      X03
    CK21A020  C2021 02 08.19245 06 50 36.95 +03 00 38.8          13.9 G      X03
    CK21A020 KC2021 02 08.19582 06 50 35.60 +03 01 11.5          13.9 G      X03
    CK21A020  C2021 02 08.19969 06 50 34.05 +03 01 49.1          13.9 G      X03
    CK21A020  C2021 02 08.20287 06 50 32.75 +03 02 19.8          13.9 G      X03
    CK21A020  C2021 02 08.20650 06 50 31.27 +03 02 55.0          12.7 T      X03
Instrumental configurationConfig1
InstrumentONTC 355
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMoravian G3 KAF 16200
SensorCCD
Sensor size27x21.6 mm2
Sensor pixels number4500x3600
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details9x15s
Observatory MPC codeX03
LocationPoroto Chili
Reference stars catalogGaia DR2
Resulting picture sampling (scale)1.4 "/pix
Remarks or commentsm1 mesuré avec FoCAs ouverture 60x60
Observation submission date2021 Feb 08 17h44m27s
Observation modification date2021 Feb 08 17h47m38s

(Record n° 22942)

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