487P/SidingSpring (Record n° 29468)
Perihelion distance : 1.81 AU
Inclination to ecliptic : 39 °
Orbital period : 11.72 years
Eccentricity : 0.65
NASA/JPL elements
IAU/MPC elements
On 2025 Jan 10 20h42 UT by Nicolas Delaunoy
(Copyright Nicolas Delaunoy)Magnitude (MPC m2) 16.8 Aperture radius for m2 6 " r (dist/Sun) 1.994 AU d (dist/Earth) 1.327 AU Right ascension 40.14408 ° Declination +56.05111 ° Instrumental configuration Config1 Instrument UNISTELLAR eQuinox2 Instrument type Newton Instrument aperture (0=naked eye) 115 mm Instrument focale length 450 mm Filter None Camera IMX347 Sensor CMOS Sensor size 7.1x5.3 mm2 Sensor pixels number 2088x1536 Binning 1x1 Mount ALT-AZ Motorization Yes Autoguide No Exposure total time 1308 s Exposure details 327x4s Sky transparency (naked eye max mag) 4 Seeing 4 Moon phase 40 ° Moon elongation 36 ° Observatory MPC code XXX Location Yerres, 91330, France Reference stars catalog (ast) UCAC-4 Used softwares Tycho tracker (master darks avec Siril) Resulting picture sampling (scale) 1.32 "/pix Observation submission date 2025 Jan 12 17h17m28s