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] : 91ff85f0-503a-4874-b6de-1908f944fc18 [observed]
Occultation Date + Time : 2021-07-16 at 00:51:22 UT +/- 0.04 min [1]
Object Designation : (1200) Imperatrix
Orbit Class : MBA
Star Designation : GDR3 4124561341803714944
Star Coordinates (ICRF) : RA = 17 29 38.9254, DE = -16 48 18.533 [2]
Star Magnitudes : G = 10.53 mag, RP = 10.09 mag, BP = 10.8 mag
Object Magnitude : V = 15.18 mag
Estimated Magnitude Drop : 4.7 mag
Estimated Max. Duration : 6.0 sec
Object Mean Diameter : 40 km (src: astorb)
Speed of the shadow : 6.6 km/s
Elongation to Moon & Sun : 76° (sunlit = 35%), Sun = 148°
Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.78 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#70
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
