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21P/Giacobini-Zinner

Orbital period : 6.54 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 20 03h22 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)8.9
Aperture radius used for m11.35 '
Nuclear magnitude (m2)11
m2 standard deviation0.0
Aperture radius used for m213.5 "
Afrho393 cm
Afrho error16 cm
Afrho URL for more infohttp://cara.uai.it/
r (dist/Sun) 1.022 AU
d (dist/Earth) 0.406 AU
Right ascension06 24 44.04 h m s
Declination+16 18 21.2 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.06-m f/5.8 refractor + CCD
ACK MPCReport file updated 2018.09.20 07:38:00
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P         C2018 09 20.14001 06 24 44.04 +16 18 21.2          11.0 V      A77
0021P         C2018 09 20.14641 06 24 45.14 +16 17 43.3          11.0 V      A77
0021P         C2018 09 20.15393 06 24 46.43 +16 16 58.8           8.9 T      A77
Instrumental configurationConfig6
Instrument typeRefractor
Instrument aperture (0=naked eye)60 mm
Instrument focale length348 mm
Instrument focale/diameter5.8
Filter(s)None
Cameraasi294MCpro
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade MCMT-TDM
Exposure details3x60s
Observatory MPC codeA77
Reference stars catalogUSNO-SA2.0
Image resize factor0.25
Resulting picture sampling (scale)2.7 "/pix
Remarks or commentsAfRho (10 000 km)computed from R channel zwo 294MCC camera.
Observation submission date2018 Sep 20 07h59m16s
Observation modification date2018 Sep 20 08h30m37s

(Record n° 19757)

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