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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 11 00h18 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9.8
Aperture radius used for m10.54 '
Nuclear magnitude (m2)11.6
m2 standard deviation0.1
Aperture radius used for m26.5 "
Coma diameter5 '
Afrho620 cm
r (dist/Sun) 1.101 AU
d (dist/Earth) 0.520 AU
Right ascension01 43 08.84 h m s
Declination+66 14 48.0 ° ' "
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 2018.08.11 
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 08 11.01223 01 43 08.84 +66 14 48.0           9.8 T      C10
0021P         C2018 08 11.01548 01 43 10.86 +66 14 46.8          11.5 R      C10
0021P         C2018 08 11.01942 01 43 13.62 +66 14 44.9          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-10 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details10 x 60s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Aug 11 12h03m00s
Observation modification date2018 Aug 13 11h21m45s

(Record n° 19465)

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