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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 05 03h18 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)8.6
Nuclear magnitude (m2)11.1
m2 standard deviation0.1
Aperture radius used for m28.4 "
Afrho590 cm
Afrho error18 cm
r (dist/Sun) 1.016 AU
d (dist/Earth) 0.397 AU
Right ascension05 25 01.75 h m s
Declination+41 52 02.8 ° ' "
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 2018.09.05 15:57:18
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 09 05.13726 05 25 01.75 +41 52 02.8          11.1 N      A77
0021P         C2018 09 05.13860 05 25 02.20 +41 51 55.0          11.0 N      A77
0021P         C2018 09 05.14028 05 25 02.70 +41 51 45.3          11.1 N      A77
0021P         C2018 09 05.14196 05 25 03.22 +41 51 35.7          11.1 N      A77
0021P         C2018 09 05.14363 05 25 03.71 +41 51 26.1          11.0 N      A77
0021P         C2018 09 05.15016 05 25 05.74 +41 50 48.0          11.1 N      A77
0021P         C2018 09 05.15150 05 25 06.19 +41 50 40.1          11.1 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
Exposure details2*20s
Air mass1.12
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Observation submission date2018 Sep 05 16h03m55s
Observation modification date2018 Sep 05 17h15m58s

(Record n° 19625)

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