Stellar Occultation by (50000) Quaoar on 2024-07-04 (22:57:20 UT)
Event Details
Occultation UUID [and db] : f5bbeda3-a713-4f7a-9504-c89f149b6d15 [cetnos]
Occultation Date + Time : 2024-07-04 at 22:57:20 UT +/- 0.11 min [1]
Object Designation : (50000) Quaoar
Star Designation : GDR3 4103264802318239360
Star Coordinates (ICRF) : RA = 18 35 10.7006, DE = -14 59 34.937 [2]
Star Magnitudes : G = 17.19 mag, RP = 16.16 mag, BP = 17.73 mag
Object Magnitude : V = 18.73 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 45.7 sec
Object Mean Diameter : 1125.8 km (src: CORA+astorb)
Orbital Class : TNO
Speed of the shadow : 24.6 km/s
Elongation to Moon & Sun : 165° (sunlit = 1%), Sun = 170°
Cross-track uncertainty : 3.8 mas = 114 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
Object is a <TNOs are Cool> target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
