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] : f337afc9-6ccb-4215-a39e-eeecf0c14aac [observed]
Occultation Date + Time : 2022-06-13 at 00:23:16 UT +/- 0.02 min [1]
Object Designation : (149) Medusa
Orbit Class : MBA
Star Designation : GDR3 4070513615179298944
Star Coordinates (ICRF) : RA = 17 50 16.6720, DE = -21 48 01.688 [2]
Star Magnitudes : G = 13.78 mag, RP = 12.51 mag, BP = 15.62 mag
Object Magnitude : V = 13.18 mag
Estimated Magnitude Drop : 0.5 mag
Estimated Max. Duration : 2.0 sec
Object Mean Diameter : 20 km (src: astorb)
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 27° (sunlit = 97%), Sun = 174°
Cross-track uncertainty : 0.7 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
