31P/Schwassmann-Wachmann (Record n° 2214)
Orbital period : 8.72 years
NASA/JPL elements
IAU/MPC elements
On 2011 Mar 09 21h22 UT by Gerald Sachot
(Copyright Gerald Sachot)Nuclear magnitude (m2) 18.2 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 3.486 AU d (dist/Earth) 2.512 AU Right ascension 10 35 13.45 h m s Declination +13 42 33.3 ° ' " MPC report COD C09
CON GERALD SACHOT [g.sachot@free.fr]
OBS G. Sachot
MEA G. Sachot
TEL 0.13-m f/7.0 refractor + CCD
ACK MPCReport file updated 2011.03.10 12:57:50
AC2 g.sachot@free.fr
NET NOMAD
0031P C2011 03 09.89020 10 35 13.45 +13 42 33.3 18.0 N C09
0031P C2011 03 09.89981 10 35 13.02 +13 42 34.4 18.3 N C09
0031P C2011 03 09.90685 10 35 12.81 +13 42 36.1 18.3 N C09
0031P C2011 03 09.91389 10 35 12.48 +13 42 37.9 18.2 N C09
Instrument type Refractor Instrument aperture (0=naked eye) 130 mm Instrument focale length 910 mm Instrument focale/diameter 7.0 Camera SBIG ST7-XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Losmandy G11 Autoguide Yes Exposure total time 1800 s Exposure details 6x5 mn Observatory MPC code C09 Location Rouet Reference stars catalog NOMAD
Resulting picture sampling (scale) 2 "/pix Observation submission date 2011 Mar 11 11h10m15s Observation modification date 2011 Mar 11 11h20m45s