509P/Catalina (Record n° 30672)
Orbital period : 18.68 years
NASA/JPL elements
IAU/MPC elements
On 2025 Dec 21 20h07 UT by Jonathan Vilhem
(Copyright Jonathan Vilhem)Nuclear magnitude (m2) 18.0 r (dist/Sun) 3.733 AU d (dist/Earth) 2.765 AU Right ascension 05 04 23.48 h m s Declination +25 45 42.3 ° ' " Instrument 250/1000 QUATTRO Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1000 mm Instrument focale/diameter 4 Filter(s) None Camera ASI 533MM PRO Sensor CMOS Sensor size 11.31X11.31 mm2 Sensor pixels number 3008X3008 Sensor temperature -10 °C Binning 4x4 Mount EQ6R PRO Motorization Yes Autoguide No Exposure total time 3500 s Exposure details 50X70SEC Sky transparency (naked eye max mag) 3 Seeing 2 Observatory MPC code 247 Location Saint Jean Rohrbach Moselle France Reference stars catalog APASS Used softwares TYCHO Remarks or comments Leger vent + passage nuageux Observation submission date 2025 Dec 22 09h03m51s