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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 14 01h56 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)8.9
Nuclear magnitude (m2)11.7
m2 standard deviation0.1
Aperture radius used for m25.6 "
Coma diameter2.5 '
Afrho760 cm
Afrho error30 cm
r (dist/Sun) 1.085 AU
d (dist/Earth) 0.499 AU
Right ascension02 18 06.50 h m s
Declination+65 24 12.0 ° ' "
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 2018.08.14 15:28:27
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 14.08059 02 18 06.50 +65 24 12.0          11.7 N      A77
0021P         C2018 08 14.08223 02 18 07.69 +65 24 10.1          11.7 N      A77
0021P         C2018 08 14.08427 02 18 08.89 +65 24 07.1          11.7 N      A77
0021P         C2018 08 14.08642 02 18 10.30 +65 24 04.2          11.8 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-12 °C
Binning1x1
Exposure details5*35s
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)2.8 "/pix
Observation submission date2018 Aug 14 15h31m34s
Observation modification date2018 Aug 14 21h26m16s

(Record n° 19481)

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