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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 11 02h20 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)9.4
Nuclear magnitude (m2)11.9
m2 standard deviation0.0
Aperture radius used for m25.6 "
Afrho713 cm
r (dist/Sun) 1.101 AU
d (dist/Earth) 0.520 AU
Right ascension01 44 05.78 h m s
Declination+66 13 57.7 ° ' "
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 2018.08.11 09:56:00
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 11.09719 01 44 05.78 +66 13 57.7          11.9 N      A77
0021P         C2018 08 11.09954 01 44 07.44 +66 13 56.4          11.9 N      A77
0021P         C2018 08 11.10231 01 44 09.27 +66 13 54.7          11.9 N      A77
0021P         C2018 08 11.10509 01 44 11.04 +66 13 52.6          11.9 N      A77
0021P         C2018 08 11.10787 01 44 12.93 +66 13 51.1          11.9 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
Exposure details3*60s
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2018 Aug 11 09h59m23s
Observation modification date2018 Aug 11 16h05m13s

(Record n° 19456)

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