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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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
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 98af3a39-5d6c-4680-b4fa-c2e2a412fa98 [observed]
Occultation Date + Time : 2021-10-19 at 02:47:47 UT +/- 0.01 min [1]
Object Designation : (1520) Imatra
Orbit Class : MBA
Star Designation : GDR3 0599707043750907008
Star Coordinates (ICRF) : RA = 08 33 58.3451, DE = +09 20 28.444 [2]
Star Magnitudes : G = 12.94 mag, RP = 12.31 mag, BP = 13.4 mag
Object Magnitude : V = 16.55 mag
Estimated Magnitude Drop : 3.7 mag
Estimated Max. Duration : 2.4 sec
Object Mean Diameter : 54 km (src: astorb)
Speed of the shadow : 22.6 km/s
Elongation to Moon & Sun : 118° (sunlit = 98%), Sun = 78°
Cross-track uncertainty : 2.0 mas = 4 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
