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21P/Giacobini-Zinner

Orbital period : 6.54 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 16 02h12 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9.2
Aperture radius used for m10.81 '
Nuclear magnitude (m2)11.6
m2 standard deviation0.1
Aperture radius used for m26.5 "
Coma diameter11 '
Afrho458 cm
Afrho error23 cm
r (dist/Sun) 1.016 AU
d (dist/Earth) 0.397 AU
Right ascension06 11 49.31 h m s
Declination+23 08 38.3 ° ' "
MPC report
COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.09.16
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 16.09159 06 11 49.31 +23 08 38.3          11.5 R      C10
0021P         C2018 09 16.11053 06 11 52.71 +23 06 43.4           9.2 T      C10
0021P         C2018 09 16.12550 06 11 56.14 +23 05 09.3          11.6 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)Rc (UBVRI)
CameraST8-XME
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details60 x 20s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Sep 16 09h17m50s
Observation modification date2018 Sep 16 15h07m40s

(Record n° 19716)

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