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] : b8070d7b-fef1-4d67-a058-3bb6e6e91159 [observed]
Occultation Date + Time : 2021-12-29 at 01:18:51 UT +/- 0.01 min [1]
Object Designation : (162) Laurentia
Orbit Class : MBA
Star Designation : GDR3 0156180099105480320
Star Coordinates (ICRF) : RA = 05 10 35.8139, DE = +30 12 19.007 [2]
Star Magnitudes : G = 13.11 mag, RP = 12.48 mag, BP = 13.56 mag
Object Magnitude : V = 13.08 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 9.4 sec
Object Mean Diameter : 99 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 132° (sunlit = 29%), Sun = 160°
Cross-track uncertainty : 1.7 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 4.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#71
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0