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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 May 16 00h37 UT by Marc Deldem


(Copyright Marc Deldem)

Nuclear magnitude (m2)16.1
m2 standard deviation0.1
Aperture radius used for m27.5 "
r (dist/Sun) 1.830 AU
d (dist/Earth) 1.360 AU
Right ascension20 04 25.48 h m s
Declination+25 12 37.0 ° ' "
MPC report
COD K22
CON M. Deldem [marc.deldem@free.fr]
OBS M. Deldem
MEA M. Deldem
TEL 0.20-m f/10 Schmidt-Cassegrain + CCD + f/7.4 focal reducer
ACK MPCReport file updated 2018.05.16 09:27:10
AC2 marc.deldem@free.fr
NET UCAC-4
0021P        KC2018 05 16.02581 20 04 25.48 +25 12 37.0          16.1 R      K22
0021P        KC2018 05 16.06061 20 04 28.68 +25 13 36.3          16.1 R      K22
0021P        KC2018 05 16.09918 20 04 32.16 +25 14 42.8          16.2 R      K22
InstrumentC8
Instrument typeSchmidt-Cassegrain
Instrument aperture (0=naked eye)200 mm
Instrument focale length1480 mm
Instrument focale/diameter7.4
Filter(s)r'
CameraSBIG ST8-XME
SensorCCD
Sensor size13.8x9.2 mm2
Sensor pixels number1530x1020
Sensor temperature-15 °C
Binning1x1
MountG11
TrackingYes
AutoguideYes
Exposure total time5700 s
Exposure details95x1mn
Air mass1.25
Observatory MPC codeK22
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.25 "/pix
Observation submission date2018 May 16 22h05m49s
Observation modification date2018 May 16 22h08m58s

(Record n° 19168)

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