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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Oct 10 03h43 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)11.1
Aperture radius used for m10.81 '
Nuclear magnitude (m2)13.2
m2 standard deviation0.1
Aperture radius used for m26.5 "
Coma diameter4.20 '
Afrho145 cm
Afrho error3 cm
r (dist/Sun) 1.098 AU
d (dist/Earth) 0.509 AU
Right ascension07 07 37.01 h m s
Declination-10 49 54.9 ° ' "
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 2018.10.10
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 10 10.15507 07 07 37.01 -10 49 54.9          13.2 R      C10
0021P         C2018 10 10.17742 07 07 38.90 -10 51 19.5          13.2 R      C10
0021P         C2018 10 10.20036 07 07 40.78 -10 52 46.0          13.1 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 details100 x 30s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Oct 10 08h47m01s
Observation modification date2018 Oct 10 11h29m07s

(Record n° 19846)

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