Cora»OccDetail

Stellar Occultation by (174567) Varda on 2026-06-17 (05:59:13 UT)

Event Details
Occultation UUID [and db] : 1f0fe1a0-f9eb-11ef-4809-b278e3f6ece2 [cetnos] Occultation Date + Time : 2026-06-17 at 05:59:13 UT +/- 0.5 min [1] Object Designation : (174567) Varda Star Designation : GDR3 4178905532937521280 Star Coordinates (ICRF) : RA = 17 58 53.1721, DE = -01 30 39.004 [2] Star Magnitudes : G = 16.73 mag, RP = 15.89 mag, BP = 17.49 mag Object Magnitude : V = 20.11 mag Estimated Magnitude Drop : 3.4 mag Estimated Max. Duration : 28.0 sec Speed of the shadow : 24.9 km/s Object Mean Diameter : 697.4 km (src: CORA+astorb) => apparent = 22 mas Apparent Motion : 0.0467 arcs/min @ PA = 272 deg Horizontal Parallax : 0.1970 arcs Dynamical Class : TNO Elongation to Moon & Sun : 144° (sunlit = 7%), Sun = 158° Cross-track uncertainty : 3.8 mas = 123 km = 0.18 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#17 Object is a <TNOs are Cool> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 1f0fe1a0-f9eb-11ef-4809-b278e3f6ece2 [cetnos]

 Occultation Date + Time   : 2026-06-17 at 05:59:13 UT +/- 0.5 min  [1]
 Object Designation        : (174567) Varda
 Star Designation          : GDR3 4178905532937521280
 Star Coordinates (ICRF)   : RA = 17 58 53.1721, DE = -01 30 39.004  [2]
 Star Magnitudes           : G = 16.73 mag, RP = 15.89 mag, BP = 17.49 mag
 Object Magnitude          : V = 20.11 mag
 Estimated Magnitude Drop  : 3.4 mag
 Estimated Max. Duration   : 28.0 sec
 Speed of the shadow       : 24.9 km/s
 Object Mean Diameter      : 697.4 km  (src: CORA+astorb) => apparent = 22 mas
 Apparent Motion           : 0.0467 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 0.1970 arcs
 Dynamical Class           : TNO
 Elongation to Moon & Sun  : 144° (sunlit = 7%), Sun = 158°
 Cross-track uncertainty   : 3.8 mas = 123 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#17

 Object is a <TNOs are Cool> target !

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

More Data and Informations

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