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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 10 01h29 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9
Aperture radius used for m10.81 '
Nuclear magnitude (m2)11.2
m2 standard deviation0.0
Aperture radius used for m26.5 "
Coma diameter12 '
Afrho695 cm
Afrho error31 cm
r (dist/Sun) 1.013 AU
d (dist/Earth) 0.392 AU
Right ascension05 48 36.52 h m s
Declination+33 35 30.6 ° ' "
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 2018.09.10
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 10.06171 05 48 36.52 +33 35 30.6          11.2 R      C10
0021P         C2018 09 10.07940 05 48 41.08 +33 33 41.9          11.2 R      C10
0021P         C2018 09 10.10163 05 48 46.41 +33 31 25.5           9.0 T      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 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 10 08h19m22s
Observation modification date2018 Sep 10 09h54m45s

(Record n° 19663)

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