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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 18 01h45 UT by Joel Nicolas

Coma Total magnitude (m1)8.7
Nuclear magnitude (m2)11.6
m2 standard deviation0.0
Aperture radius used for m25.6 "
Coma diameter2.8 '
Afrho756 cm
Afrho error8 cm
r (dist/Sun) 1.066 AU
d (dist/Earth) 0.474 AU
Right ascension03 02 21.33 h m s
Declination+63 22 37.5 ° ' "
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 2018.08.18 16:57:14
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 18.07302 03 02 21.33 +63 22 37.5          11.6 N      A77
0021P         C2018 08 18.07470 03 02 22.43 +63 22 33.3          11.6 N      A77
0021P         C2018 08 18.07602 03 02 23.30 +63 22 30.7          11.6 N      A77
0021P         C2018 08 18.07778 03 02 24.32 +63 22 26.7          11.5 N      A77
0021P         C2018 08 18.07954 03 02 25.41 +63 22 22.7          11.6 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 Aug 18 17h00m44s
Observation modification date2018 Aug 18 18h17m52s

(Record n° 19521)

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