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Stellar Occultation by (7030) Colombini on 2023-07-17 (20:09:46 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] : 126b0350-c339-11ef-5276-e20bef3b95ea [observed]

 Occultation Date + Time   : 2023-07-17 at 20:09:46 UT +/- 0.01 min  [1]
 Object Designation        : (7030) Colombini
 Star Designation          : GDR3 4161653954992289536
 Star Coordinates (ICRF)   : RA = 17 37 13.2697, DE = -13 16 21.321  [2]
 Star Magnitudes           : G = 12.96 mag, RP = 12.24 mag, BP = 13.5 mag
 Object Magnitude          : V = 15.95 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 1.8 sec
 Object Mean Diameter      : 5.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 3.3 km/s
 Elongation to Moon & Sun  : 145° (sunlit = 0%), Sun = 148°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50

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


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