Stellar Occultation by (15810) Arawn on 2025-08-20 (22:13:36 UT)
Event Details
Occultation UUID [and db] : 7d435dc0-8b31-11ef-78cd-4c522ffba1da [asteroids]
Occultation Date + Time : 2025-08-20 at 22:13:36 UT +/- 4.35 min [1]
Object Designation : (15810) Arawn
Star Designation : GDR3 6867492972179088896
Star Coordinates (ICRF) : RA = 20 04 48.1636, DE = -18 41 10.969 [2]
Star Magnitudes : G = 14.31 mag, RP = 13.74 mag, BP = 14.7 mag
Object Magnitude : V = 23.35 mag
Estimated Magnitude Drop : 9.0 mag
Estimated Max. Duration : 4.8 sec
Object Mean Diameter : 99.9 km (src: astorb)
Orbital Class : TNO
Speed of the shadow : 20.7 km/s
Elongation to Moon & Sun : 174° (sunlit = 6%), Sun = 151°
Cross-track uncertainty : 84.7 mas = 2169 km = 21.72 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#11
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0