Home

21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 09 01h48 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)9.2
Aperture radius used for m11.3 '
Nuclear magnitude (m2)13.1
m2 standard deviation0.1
Aperture radius used for m25.6 "
Coma diameter2.6 '
Afrho643 cm
Afrho error7 cm
r (dist/Sun) 1.112 AU
d (dist/Earth) 0.534 AU
Right ascension01 21 20.33 h m s
Declination+66 29 11.7 ° ' "
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 2018.08.09 18:45:15
AC2 nicolas.joel@wanadoo.fr
NET Gaia DR2
0021P         C2018 08 09.07477 01 21 20.33 +66 29 11.7          13.1 G      A77
0021P         C2018 08 09.07799 01 21 22.44 +66 29 10.8          13.1 G      A77
0021P         C2018 08 09.08153 01 21 24.79 +66 29 10.5          13.1 G      A77
0021P         C2018 08 09.08442 01 21 26.73 +66 29 10.4          13.2 G      A77
0021P         C2018 08 09.08720 01 21 28.52 +66 29 10.1          13.2 G      A77
0021P         C2018 08 09.08998 01 21 30.27 +66 29 08.6          13.1 G      A77
0021P         C2018 08 09.09275 01 21 32.09 +66 29 08.0          13.0 G      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 details3*40s
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogGaia DR2
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2018 Aug 09 18h49m55s
Observation modification date2018 Aug 10 14h30m07s

(Record n° 19449)

Home