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: sodis
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
Image size: 300px. Transparent image background for copy & paste
Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : bd8a9de0-8a36-11ef-78cd-b5caeffdbe78 [asteroids]
Occultation Date + Time : 2025-08-21 at 20:27:34 UT +/- 0.0 min [1]
Object Designation : (5222) Ioffe
Orbit Class : MBA
Star Designation : GDR3 1861601248887159936
Star Coordinates (ICRF) : RA = 20 21 39.9155, DE = +30 51 31.503 [2]
Star Magnitudes : G = 12.53 mag, RP = 12.02 mag, BP = 12.87 mag
Object Magnitude : V = 16.54 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 1.6 sec
Object Mean Diameter : 22.0 km (src: astorb)
Speed of the shadow : 13.7 km/s
Elongation to Moon & Sun : 128° (sunlit = 2%), Sun = 131°
Cross-track uncertainty : 0.7 mas = 1 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#60
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0