UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 4a364180-df9b-11f0-76c1-b4b4e5ece438 [special]
Occultation Date + Time : 2024-10-07 at 20:14:38 UT +/- 1.16 min [1]
Object Designation : (225088) Gonggong
Orbit Class : TNO
Star Designation : GDR3 2602857349400467456
Star Coordinates (ICRF) : RA = 22 27 42.2511, DE = -10 46 32.266 [2]
Star Magnitudes : G = 18.99 mag, RP = 18.01 mag, BP = 20.05 mag
Object Magnitude : V = 21.43 mag
Estimated Magnitude Drop : 2.6 mag
Estimated Max. Duration : 77.2 sec
Object Mean Diameter : 1585.0 km (src: CORA)
Speed of the shadow : 20.5 km/s
Elongation to Moon & Sun : 84° (sunlit = 22%), Sun = 140°
Cross-track uncertainty : 21.8 mas = 1404 km = 0.89 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#22
Note : FP:true
Object is a "TNOs are cool" target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
