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21P/Giacobini-Zinner

Orbital period : 6.57 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 12 02h29 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)8.6
Nuclear magnitude (m2)11.9
m2 standard deviation0.0
Aperture radius used for m25.6 "
Coma diameter2.5 '
r (dist/Sun) 1.096 AU
d (dist/Earth) 0.513 AU
Right ascension01 55 33.38 h m s
Declination+66 00 57.0 ° ' "
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 2018.08.12 17:11:46
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P         C2018 08 12.10325 01 55 33.38 +66 00 57.0          11.9 N      A77
0021P         C2018 08 12.10501 01 55 34.51 +66 00 55.1          11.9 N      A77
0021P         C2018 08 12.10668 01 55 35.63 +66 00 53.8          11.9 N      A77
0021P         C2018 08 12.10834 01 55 36.83 +66 00 52.4          11.9 N      A77
0021P         C2018 08 12.10947 01 55 37.57 +66 00 51.6          11.9 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 details4*60s
Air mass1.10
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2018 Aug 12 17h14m29s
Observation modification date2018 Aug 12 19h30m31s

(Record n° 19471)

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