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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 09 02h08 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9
Aperture radius used for m10.81 '
Nuclear magnitude (m2)11.3
m2 standard deviation0.1
Aperture radius used for m26.5 "
Coma diameter11 '
Afrho640 cm
Afrho error15 cm
r (dist/Sun) 1.013 AU
d (dist/Earth) 0.392 AU
Right ascension05 44 19.32 h m s
Declination+35 15 44.7 ° ' "
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 2018.09.09
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 09.08904 05 44 19.32 +35 15 44.7          11.3 R      C10
0021P         C2018 09 09.10704 05 44 24.11 +35 13 54.6          11.3 R      C10
0021P         C2018 09 09.12963 05 44 29.77 +35 11 36.8           9.0 T      C10
0021P         C2018 09 09.14760 05 44 34.82 +35 09 46.4          11.2 R      C10
0021P         C2018 09 09.17235 05 44 41.32 +35 07 14.7          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-15 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details60 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 09 07h22m14s
Observation modification date2018 Sep 10 09h46m41s

(Record n° 19646)

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