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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 29 03h13 UT by Joel Nicolas

Coma Total magnitude (m1)10.2
Aperture radius used for m11 '
Nuclear magnitude (m2)12.3
m2 standard deviation0.0
Aperture radius used for m28.4 "
Afrho234 cm
Afrho error2 cm
r (dist/Sun) 1.048 AU
d (dist/Earth) 0.444 AU
Right ascension06 47 42.70 h m s
Declination+02 33 46.2 ° ' "
MPC report
COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2018.09.29 11:21:18
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 09 29.13428 06 47 42.70 +02 33 46.2          12.3 N      A77
0021P         C2018 09 29.13646 06 47 42.99 +02 33 35.1          12.3 N      A77
0021P         C2018 09 29.14255 06 47 43.72 +02 33 04.6          12.3 N      A77
0021P         C2018 09 29.14581 06 47 44.12 +02 32 48.4          12.3 N      A77
0021P         C2018 09 29.14778 06 47 44.39 +02 32 38.4          12.3 N      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)R Bessel
CameraST8XME
SensorCCD
Sensor temperature-18 °C
Binning1x1
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Observation submission date2018 Sep 29 11h24m15s
Observation modification date2018 Sep 29 12h07m18s

(Record n° 19806)

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