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21P/Giacobini-Zinner

Orbital period : 6.54 years

NASA/JPL elements
IAU/MPC elements


On 2018 Oct 22 03h47 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)12.03
Aperture radius used for m10.70 '
Nuclear magnitude (m2)14
m2 standard deviation0.1
Aperture radius used for m26.5 "
Afrho97 cm
Afrho error2 cm
r (dist/Sun) 1.172 AU
d (dist/Earth) 0.591 AU
Right ascension07 20 45.72 h m s
Declination-21 34 25.8 ° ' "
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 2018.10.22
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 10 22.15793 07 20 45.72 -21 34 25.8          14.0 R      C10
0021P         C2018 10 22.18660 07 20 46.90 -21 35 44.2          14.0 R      C10
0021P         C2018 10 22.21588 07 20 48.07 -21 37 04.0          13.9 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-20 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details45 x 30s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Oct 22 08h33m46s
Observation modification date2018 Oct 22 13h56m35s

(Record n° 19922)

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