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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Sep 03 02h53 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)8.4
Nuclear magnitude (m2)11.1
m2 standard deviation0.1
Aperture radius used for m28.4 "
Afrho630 cm
Afrho error7 cm
r (dist/Sun) 1.018 AU
d (dist/Earth) 0.401 AU
Right ascension05 13 52.16 h m s
Declination+45 04 23.4 ° ' "
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 2018.09.03 18:03:16
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 09 03.11983 05 13 52.16 +45 04 23.4          11.0 N      A77
0021P         C2018 09 03.12118 05 13 52.66 +45 04 15.9          11.0 N      A77
0021P         C2018 09 03.12286 05 13 53.19 +45 04 06.7          11.1 N      A77
0021P         C2018 09 03.12454 05 13 53.81 +45 03 57.0          11.0 N      A77
0021P         C2018 09 03.12622 05 13 54.34 +45 03 47.8          11.1 N      A77
0021P         C2018 09 03.13074 05 13 55.88 +45 03 23.0          11.1 N      A77
0021P         C2018 09 03.13243 05 13 56.45 +45 03 13.5          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 details3*20s
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Observation submission date2018 Sep 03 18h06m14s
Observation modification date2018 Sep 03 19h14m08s

(Record n° 19603)

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