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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 04 02h03 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)8.5
Aperture radius used for m11.05 '
Nuclear magnitude (m2)11.2
m2 standard deviation0.0
Aperture radius used for m26.5 "
Coma diameter8 '
Afrho841 cm
Afrho error16 cm
r (dist/Sun) 1.017 AU
d (dist/Earth) 0.399 AU
Right ascension05 19 20.05 h m s
Declination+43 33 19.3 ° ' "
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 2018.09.04 
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 04.08525 05 19 20.05 +43 33 19.3          11.2 R      C10
0021P         C2018 09 04.09654 05 19 23.46 +43 32 14.4           8.9 T      C10
0021P         C2018 09 04.10945 05 19 28.03 +43 31 02.1          11.2 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 details40 x 15s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Sep 04 05h34m42s
Observation modification date2018 Sep 04 06h36m08s

(Record n° 19607)

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