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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 21 22h33 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)11.5
m2 standard deviation0.0
Aperture radius used for m27.5 "
Coma diameter10 '
Tail position angle (PA)260 °
r (dist/Sun) 1.054 AU
d (dist/Earth) 0.456 AU
Right ascension03 41 36.79 h m s
Declination+60 23 02.0 ° ' "
MPC report
COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.45 reflector + CCD
ACK MPCReport 21P 2018/08/21
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P         C2018 08 21.93944 03 41 36.79 +60 23 02.0          11.5 N      K97
0021P         C2018 08 21.94532 03 41 40.19 +60 22 43.2          11.5 N      K97
0021P         C2018 08 21.95017 03 41 42.98 +60 22 27.7          11.5 N      K97
Instrumental configurationConfig1
InstrumentT200 F/D 7.45
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1490 mm
Instrument focale/diameter7.45
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time660 s
Exposure details33x20s
Moon phase31 °
Moon elongation130 °
Air mass1.7
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsComa ovale: 15'10" en PA 260° et 9'18" perpendiculairement. Probable petits jets vers l'avant du noyau. Longueur de la queue > 22'
Observation submission date2018 Aug 22 13h08m11s
Observation modification date2018 Aug 22 13h29m01s

(Record n° 19542)

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