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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 18 02h42 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9.3
Aperture radius used for m10.81 '
Nuclear magnitude (m2)11.5
m2 standard deviation0.0
Aperture radius used for m26.5 "
Coma diameter11 '
Afrho407 cm
Afrho error8 cm
r (dist/Sun) 1.019 AU
d (dist/Earth) 0.401 AU
Right ascension06 18 29.56 h m s
Declination+19 41 43.2 ° ' "
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 2018.09.18 
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 18.11279 06 18 29.56 +19 41 43.2           9.3 T      C10
0021P         C2018 09 18.11993 06 18 31.30 +19 40 57.5          11.5 R      C10
0021P         C2018 09 18.12738 06 18 32.72 +19 40 12.4          11.5 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 details50 x 20s
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 18 06h55m26s
Observation modification date2018 Sep 18 09h18m49s

(Record n° 19737)

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