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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 20 02h16 UT by Joel Nicolas

Coma Total magnitude (m1)8.1
Nuclear magnitude (m2)11.5
m2 standard deviation0.0
Aperture radius used for m27.0 "
Afrho858 cm
Afrho error43 cm
r (dist/Sun) 1.058 AU
d (dist/Earth) 0.462 AU
Right ascension03 23 25.73 h m s
Declination+61 56 21.1 ° ' "
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 2018.08.20 09:39:56
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 20.09453 03 23 25.73 +61 56 21.1          11.5 N      A77
0021P         C2018 08 20.09678 03 23 27.11 +61 56 14.5          11.5 N      A77
0021P         C2018 08 20.09904 03 23 28.43 +61 56 08.3          11.5 N      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)I Bessel
CameraST8XME
SensorCCD
Sensor temperature-15 °C
Binning1x1
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Observation submission date2018 Aug 20 09h44m43s
Observation modification date2018 Aug 21 18h03m50s

(Record n° 19528)

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