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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 25 08h08 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)10.3
Aperture radius used for m10.56 '
Nuclear magnitude (m2)12.3
m2 standard deviation0.0
Aperture radius used for m26.7 "
r (dist/Sun) 1.035 AU
d (dist/Earth) 0.425 AU
Right ascension06 38 51.80 h m s
Declination+08 04 35.0 ° ' "
MPC report
COD W96
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS A. Maury, J.-B. de Vanssay, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/5 Ritchey-Chretien + CCD
ACK MPCReport file updated 2018.09.25 
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 25.33917 06 38 51.80 +08 04 35.0          12.3 R      W96
0021P         C2018 09 25.36380 06 38 55.28 +08 02 21.6          12.3 R      W96
0021P         C2018 09 25.37607 06 38 56.75 +08 01 17.4          10.3 T      W96
0021P         C2018 09 25.39273 06 38 59.40 +07 59 44.5          12.3 R      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2000 mm
Instrument focale/diameter5
Filter(s)R (RGB)
CameraAPOGEE ALTA
SensorCCD
Sensor temperature-20 °C
Binning2x2
MountVMA 200
AutoguideNo
Exposure details10 x 30s
Observatory MPC codeW96
LocationSan Pedro d'Atacama Chili
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.12 "/pix
Observation submission date2018 Sep 25 11h43m53s
Observation modification date2018 Sep 25 11h53m41s

(Record n° 19776)

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