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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 18 01h47 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)11.8
m2 standard deviation0.1
Aperture radius used for m27.5 "
Coma diameter8.4 '
Tail position angle (PA)277 °
r (dist/Sun) 1.019 AU
d (dist/Earth) 0.401 AU
Right ascension06 18 22.66 h m s
Declination+19 45 35.6 ° ' "
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 file 21P 2018/09/18
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0021P         C2018 09 18.07414 06 18 22.66 +19 45 35.6          11.8 N      K97
0021P         C2018 09 18.07795 06 18 23.38 +19 45 12.4          11.8 N      K97
0021P         C2018 09 18.08205 06 18 24.16 +19 44 47.4          11.7 N      K97
0021P         C2018 09 18.08378 06 18 24.48 +19 44 37.4          11.8 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 time435 s
Exposure details29x15s
Air mass1.8
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsLongueur de la queue > 21'
Observation submission date2018 Sep 18 11h19m30s
Observation modification date2018 Sep 18 11h22m54s

(Record n° 19742)

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