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C/2021 D1 (SWAN)

Orbital period : 962.20 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 23 18h57 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)11.9
Aperture radius used for m10.4 '
Nuclear magnitude (m2)15.9
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 0.994 AU
d (dist/Earth) 1.688 AU
Right ascension01 28 17.60 h m s
Declination+27 33 49.0 ° ' "
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 MPCReport file updated 2021.03.23 22:14:48
AC2 fkugel@free.fr
NET NOMAD
    CK21D010  C2021 03 23.78946 01 28 17.60 +27 33 49.0          15.8 V      A77
    CK21D010  C2021 03 23.79584 01 28 19.79 +27 34 01.8          15.9 V      A77
    CK21D010  C2021 03 23.80220 01 28 21.94 +27 34 10.5          11.9 T      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 details17x45s
Observatory MPC codeA77
Reference stars catalogNOMAD
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Mar 23 22h17m00s
Observation modification date2021 Mar 23 22h24m49s

(Record n° 23110)

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