Cora»OccDetail

Stellar Occultation by (136108) Haumea on 2026-05-04 (20:16:37 UT)

Event Details
Occultation UUID [and db] : fb1eb0d0-4096-11f0-4ed7-cd32ffdef011 [cetnos] Occultation Date + Time : 2026-05-04 at 20:16:37 UT +/- 0.37 min [1] Object Designation : (136108) Haumea Star Designation : GDR3 1185968739624622848 Star Coordinates (ICRF) : RA = 14 40 58.4944, DE = +14 40 25.604 [2] Star Magnitudes : G = 14.71 mag, RP = 14.18 mag, BP = 15.01 mag Object Magnitude : V = 17.2 mag Estimated Magnitude Drop : 2.6 mag Estimated Max. Duration : 125.9 sec Speed of the shadow : 25.3 km/s Object Mean Diameter : 1392.0 km (src: CORA) => apparent = 90 mas Apparent Motion : 0.0433 arcs/min @ PA = 284 deg Horizontal Parallax : 0.1800 arcs Dynamical Class : TNO Elongation to Moon & Sun : 56° (sunlit = 91%), Sun = 149° Cross-track uncertainty : 7.2 mas = 255 km = 0.18 path-width (1-sig) RUWE and duplicate source : 6.62 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#125 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] : fb1eb0d0-4096-11f0-4ed7-cd32ffdef011 [cetnos]

 Occultation Date + Time   : 2026-05-04 at 20:16:37 UT +/- 0.37 min  [1]
 Object Designation        : (136108) Haumea
 Star Designation          : GDR3 1185968739624622848
 Star Coordinates (ICRF)   : RA = 14 40 58.4944, DE = +14 40 25.604  [2]
 Star Magnitudes           : G = 14.71 mag, RP = 14.18 mag, BP = 15.01 mag
 Object Magnitude          : V = 17.2 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 125.9 sec
 Speed of the shadow       : 25.3 km/s
 Object Mean Diameter      : 1392.0 km  (src: CORA) => apparent = 90 mas
 Apparent Motion           : 0.0433 arcs/min @ PA = 284 deg
 Horizontal Parallax       : 0.1800 arcs
 Dynamical Class           : TNO
 Elongation to Moon & Sun  : 56° (sunlit = 91%), Sun = 149°
 Cross-track uncertainty   : 7.2 mas = 255 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 6.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#125

 Object is a <TNOs are Cool> target !

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

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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.