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] : d59f6e78-2e28-4d59-a663-c34e79db8f44 [observed]
Occultation Date + Time : 2022-01-30 at 19:59:53 UT +/- 0.02 min [1]
Object Designation : (7859) Lhasa
Orbit Class : MBA
Star Designation : GDR3 0678467707349304704
Star Coordinates (ICRF) : RA = 08 31 59.8324, DE = +24 13 08.847 [2]
Star Magnitudes : G = 12.77 mag, RP = 12.38 mag, BP = 13.02 mag
Object Magnitude : V = 17.18 mag
Estimated Magnitude Drop : 4.4 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 7 km (src: astorb)
Speed of the shadow : 11.6 km/s
Elongation to Moon & Sun : 167° (sunlit = 3%), Sun = 172°
Cross-track uncertainty : 3.3 mas = 4 km = 0.62 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0