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] : 60a87b11-388f-4e8e-97ff-96bf9e285186 [observed]
Occultation Date + Time : 2020-11-09 at 05:06:41 UT +/- 0.03 min [1]
Object Designation : (250) Bettina
Orbit Class : MBA
Star Designation : GDR3 0174233564636922496
Star Coordinates (ICRF) : RA = 04 44 14.8873, DE = +35 01 03.328 [2]
Star Magnitudes : G = 12.63 mag, RP = 11.89 mag, BP = 13.22 mag
Object Magnitude : V = 11.95 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 8.0 sec
Object Mean Diameter : 80 km (src: astorb)
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 70° (sunlit = 43%), Sun = 150°
Cross-track uncertainty : 3.3 mas = 4 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 1.24 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#68
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
