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] : 030dc4b1-f8c7-47d8-a398-d12eb7fb4742 [observed]
Occultation Date + Time : 2021-07-25 at 23:16:25 UT +/- 0.03 min [1]
Object Designation : (53) Kalypso
Orbit Class : MBA
Star Designation : GDR3 2631642499391329408
Star Coordinates (ICRF) : RA = 23 06 47.6240, DE = -06 47 04.049 [2]
Star Magnitudes : G = 12.47 mag, RP = 11.91 mag, BP = 12.86 mag
Object Magnitude : V = 13.54 mag
Estimated Magnitude Drop : 1.4 mag
Estimated Max. Duration : 21.5 sec
Object Mean Diameter : 115 km (src: astorb)
Speed of the shadow : 5.4 km/s
Elongation to Moon & Sun : 18° (sunlit = 96%), Sun = 138°
Cross-track uncertainty : 1.3 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#186
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
