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] : 962aac76-2234-4e8e-ad17-962ea045e55d [observed]
Occultation Date + Time : 2021-10-28 at 18:23:21 UT +/- 0.06 min [1]
Object Designation : (1398) Donnera
Orbit Class : MBA
Star Designation : GDR3 0183829311851260032
Star Coordinates (ICRF) : RA = 05 17 04.2007, DE = +35 27 07.108 [2]
Star Magnitudes : G = 13.57 mag, RP = 12.68 mag, BP = 14.38 mag
Object Magnitude : V = 15.15 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 7.3 sec
Object Mean Diameter : 35 km (src: astorb)
Speed of the shadow : 4.7 km/s
Elongation to Moon & Sun : 44° (sunlit = 51%), Sun = 133°
Cross-track uncertainty : 1.3 mas = 2 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.49 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#58
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0