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):
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] : 72902775-d55e-4dd4-bf7b-5ebfda70cfed [observed]
Occultation Date + Time : 2018-08-16 at 01:38:27 UT +/- 0.01 min [1]
Object Designation : (591) Irmgard
Orbit Class : MBA
Star Designation : GDR3 0116959694708441216
Star Coordinates (ICRF) : RA = 03 00 04.1782, DE = +28 51 11.897 [2]
Star Magnitudes : G = 13.79 mag, RP = 13.22 mag, BP = 14.19 mag
Object Magnitude : V = 16.52 mag
Estimated Magnitude Drop : 2.8 mag
Estimated Max. Duration : 3.5 sec
Object Mean Diameter : 52 km (src: astorb)
Speed of the shadow : 14.8 km/s
Elongation to Moon & Sun : 150° (sunlit = 27%), Sun = 92°
Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
