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489P/Denning

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 ascension12 17 05.49 h m s
Declination+02 55 13.1 ° ' "
Instrumental configurationConfig5
Instrument250/1000 QUATTRO
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1000 mm
Instrument focale/diameter4
Filter(s)None
CameraASI 533MM PRO
SensorCMOS
Sensor size11.31X11.31 mm2
Sensor pixels number3008X3008
Sensor temperature-10 °C
Binning4x4
MountEQ6R PRO
MotorizationYes
AutoguideNo
Exposure total time3500 s
Exposure details50X70SEC
Seeing3
Observatory MPC code247
LocationSaint Jean Rohrbach Moselle France
Reference stars catalogAPASS
Used softwaresTYCHO
Remarks or commentsLEGER VENT
Observation submission date2025 Dec 26 11h20m54s

(Record n° 30694)

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