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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 08 01h42 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)9.3
Aperture radius used for m10.93 '
Nuclear magnitude (m2)12.1
m2 standard deviation0.1
Aperture radius used for m213 "
Afrho535 cm
Afrho error40 cm
r (dist/Sun) 1.118 AU
d (dist/Earth) 0.541 AU
Right ascension01 10 16.87 h m s
Declination+66 31 38.1 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS A. Klotz ; F. Kugel
MEA F. Kugel
TEL 0.20-m f/4 Schmidt-Cassegrain + CCD
ACK MPCReport file updated 2018.08.08 05:45:56
AC2 fkugel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 08.07109 01 10 16.87 +66 31 38.1          12.1 R      A77
0021P         C2018 08 08.08519 01 10 25.91 +66 31 40.0          12.0 R      A77
0021P         C2018 08 08.09932 01 10 34.98 +66 31 39.6           9.3 T      A77
Instrumental configurationConfig1
Instrument typeSchmidt-Cassegrain
Instrument aperture (0=naked eye)200 mm
Instrument focale length800 mm
Instrument focale/diameter4
Filter(s)r
CameraST2000XM
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade MCMT
Exposure total time90 s
Exposure details3x30s
Observatory MPC codeA77
Reference stars catalogUCAC-4
Image resize factor1
Resulting picture sampling (scale)1.86 "/pix
Remarks or commentsAfrho = 535cm (10000km) http://cara.uai.it/home
Observation submission date2018 Aug 08 06h20m15s
Observation modification date2018 Aug 08 06h28m29s

(Record n° 19441)

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