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Stellar Occultation by (163) Erigone on 2026-07-18 (19:47:00 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] : e5a50160-d9aa-11f1-43f3-47d8bff78793 [observed]

 Occultation Date + Time   : 2026-07-18 at 19:47:00 UT +/- 0.01 min  [1]
 Object Designation        : (163) Erigone
 Star Designation          : GDR3 4097322388632967552
 Star Coordinates (ICRF)   : RA = 18 19 09.5077, DE = -17 08 44.852  [2]
 Star Magnitudes           : G = 13.31 mag, RP = 12.31 mag, BP = 14.35 mag
 Object Magnitude          : V = 14.04 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 6.3 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 72.6 km  (src: astorb) => apparent = 54 mas
 Apparent Motion           : 0.5200 arcs/min @ PA = 260 deg
 Horizontal Parallax       : 4.7480 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 24%), Sun = 158°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL161
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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