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31P/Schwassmann-Wachmann

Perihelion distance : 3.41 AU
Inclination to ecliptic : 5 °
Orbital period : 8.69 years
Eccentricity : 0.19

NASA/JPL elements
IAU/MPC elements


On 2018 Oct 20 02h01 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Magnitude (MPC m2)19.8
Magnitude standard deviation0.1
Aperture radius for m24.9 "
r (dist/Sun) 3.579 AU
d (dist/Earth) 3.260 AU
Right ascension106.79075 °
Declination+20.47103 °
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 2018.10.20
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0031P        KC2018 10 20.08387 07 07 09.78 +20 28 15.7          19.7 N      C10
0031P        KC2018 10 20.10832 07 07 10.54 +20 28 14.8          19.8 N      C10
0031P        KC2018 10 20.13592 07 07 11.34 +20 28 14.0          20.0 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
FilterNone
CameraST8-XME
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountF60a Axis Instruments
AutoguideYes
Picture exposure details25 x 120s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalog (ast)UCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Oct 20 08h26m13s
Observation modification date2018 Oct 20 09h34m59s

(Record n° 19908)

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