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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 22 02h33 UT by Joel Nicolas

Coma Total magnitude (m1)8.6
Nuclear magnitude (m2)11.2
m2 standard deviation0.1
Aperture radius used for m27.0 "
Afrho788 cm
Afrho error39 cm
r (dist/Sun) 1.050 AU
d (dist/Earth) 0.450 AU
Right ascension03 43 11.95 h m s
Declination+60 14 07.4 ° ' "
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 2018.08.23 18:28:12
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 22.10649 03 43 11.95 +60 14 07.4          11.2 N      A77
0021P         C2018 08 22.10769 03 43 12.65 +60 14 03.3          11.2 N      A77
0021P         C2018 08 22.10888 03 43 13.34 +60 13 59.4          11.2 N      A77
0021P         C2018 08 22.11005 03 43 13.91 +60 13 55.6          11.3 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-15 °C
Binning1x1
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Observation submission date2018 Aug 23 18h30m40s
Observation modification date2018 Aug 24 16h55m12s

(Record n° 19548)

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