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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4 observations 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] : 778fae75-4a70-4d91-909d-f0b26da7a64c [observed]
Occultation Date + Time : 2021-09-06 at 02:25:54 UT +/- 0.01 min [1]
Object Designation : (2204) Lyyli
Orbit Class : MBA
Star Designation : GDR3 3253690756130162432
Star Coordinates (ICRF) : RA = 04 05 34.9026, DE = -00 51 15.675 [2]
Star Magnitudes : G = 9.77 mag, RP = 9.02 mag, BP = 10.4 mag
Object Magnitude : V = 15.33 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 25 km (src: astorb)
Speed of the shadow : 20.4 km/s
Elongation to Moon & Sun : 94° (sunlit = 1%), Sun = 104°
Cross-track uncertainty : 2.3 mas = 2 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
