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Stellar Occultation by (3117) Niepce on 2025-01-28 (22:42:13 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 0fecbce0-88a1-11ef-78cd-4021ef570074 [asteroids]

 Occultation Date + Time   : 2025-01-28 at 22:42:13 UT +/- 0.0 min  [1]
 Object Designation        : (3117) Niepce
 Star Designation          : GDR3 0026432190812743936
 Star Coordinates (ICRF)   : RA = 02 31 51.8270, DE = +12 55 12.616  [2]
 Star Magnitudes           : G = 11.76 mag, RP = 11.22 mag, BP = 12.14 mag
 Object Magnitude          : V = 17.98 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 10.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 16.1 km/s
 Elongation to Moon & Sun  : 98° (sunlit = 0%), Sun = 90°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
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