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73P/Schwassmann-Wachmann

Perihelion distance : 0.9 AU
Inclination to ecliptic : 6 °
Orbital period : 5.33 years
Eccentricity : 0.71

NASA/JPL elements
IAU/MPC elements


On 2017 May 19 09h34 UT by Thierry Noel


(Copyright Thierry Noel)

Magnitude (MPC m2)16.4
Magnitude standard deviation0.5
Aperture radius for m26.1 "
r (dist/Sun)1.307 AU
d (dist/Earth)1.774 AU
Right ascension14.414 °
Declination-2.79581 °
MPC report
COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
COM Aperture radius for m1 : 46" for CK15E61R / 32" for 71P
COM Aperture radius for m2 : 6.1"
ACK MPCReport file updated 2017.05.19 15:05:38
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073P        KC2017 05 19.39895 00 57 39.36 -02 47 44.9          16.4 N      W96
0073P        KC2017 05 19.40674 00 57 40.57 -02 47 38.6          16.4 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2160 mm
Instrument focale/diameter5.4
FilterNone
CameraSTF8300
SensorCCD
Sensor temperature-10 °C
Binning3x3
MountVMA 200
AutoguideNo
Exposure details15x1mn
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalog (ast)Gaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.53 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, grad, crop)
Observation submission date2017 May 19 15h12m38s
Observation modification date2017 May 23 23h17m53s

(Record n° 17698)

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