489P/Denning (Record n° 30694)
Orbital period : 9.31 years
NASA/JPL elements
IAU/MPC elements
On 2025 Dec 26 02h43 UT by Jonathan Vilhem
(Copyright Jonathan Vilhem)Nuclear magnitude (m2) 19.7 r (dist/Sun) 1.580 AU d (dist/Earth) 1.211 AU Right ascension 12 17 05.49 h m s Declination +02 55 13.1 ° ' " Instrumental configuration Config5 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 Seeing 3 Observatory MPC code 247 Location Saint Jean Rohrbach Moselle France Reference stars catalog APASS Used softwares TYCHO Remarks or comments LEGER VENT Observation submission date 2025 Dec 26 11h20m54s