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] : 0eeb5622-5d96-4283-b30b-fea8601ce375 [observed]
Occultation Date + Time : 2021-10-02 at 02:36:32 UT +/- 0.02 min [1]
Object Designation : (771) Libera
Orbit Class : MBA
Star Designation : GDR3 3407377807104288768
Star Coordinates (ICRF) : RA = 05 00 11.8341, DE = +18 23 30.573 [2]
Star Magnitudes : G = 12.3 mag, RP = 11.59 mag, BP = 12.73 mag
Object Magnitude : V = 14.11 mag
Estimated Magnitude Drop : 2.0 mag
Estimated Max. Duration : 2.6 sec
Object Mean Diameter : 29 km (src: astorb)
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 58° (sunlit = 22%), Sun = 113°
Cross-track uncertainty : 1.7 mas = 1 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#99
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
