UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 1ee69121-00c6-4bcb-bc01-5c8c8f62bd0d [observed]
Occultation Date + Time : 2021-07-01 at 22:57:47 UT +/- 0.03 min [1]
Object Designation : (1684) Iguassu
Orbit Class : MBA
Star Designation : GDR3 4115789717238166400
Star Coordinates (ICRF) : RA = 17 16 31.2150, DE = -21 16 37.739 [2]
Star Magnitudes : G = 13.28 mag, RP = 12.39 mag, BP = 14.11 mag
Object Magnitude : V = 14.93 mag
Estimated Magnitude Drop : 1.9 mag
Estimated Max. Duration : 3.1 sec
Object Mean Diameter : 27 km (src: astorb)
Speed of the shadow : 8.6 km/s
Elongation to Moon & Sun : 111° (sunlit = 49%), Sun = 159°
Cross-track uncertainty : 1.7 mas = 2 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0