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21P/Giacobini-Zinner

Date of perihelion passage : 2018-9-10.2775
Perihelion distance : 1.012819 AU
Inclination to ecliptic : 31.9978 °
Orbital period : 6.57 years
Eccentricity : 0.710433

NASA/JPL elements, ephemeris and orbit diagram
IAU/MPC elements and ephemeris


On 2018 Sep 12 04h04 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)9.1
Aperture radius used for m10.81 '
Nuclear magnitude (m2)11.4
m2 standard deviation0.0
Aperture radius used for m26.5 "
Coma diameter10 '
Afrho481 cm
Afrho error16 cm
r (dist/Sun) 1.013 AU
d (dist/Earth) 0.392 AU
Right ascension05 57 20.17 h m s
Declination+29 56 35.4 ° ' "
MPC report
COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.09.12
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P         C2018 09 12.16939 05 57 20.17 +29 56 35.4          11.4 R      C10
0021P         C2018 09 12.17227 05 57 20.48 +29 56 18.7           9.1 T      C10
0021P         C2018 09 12.17563 05 57 21.60 +29 55 56.7          11.4 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)Rc (UBVRI)
CameraST8-XME
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details20 x 15s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Photometry|Astrometry softwareASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Sep 12 09h24m54s
Observation modification date2018 Sep 12 09h38m11s

(Record n° 19676)

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