UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
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
Image size: 300px. Transparent image background for copy & paste
Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 0807806d-d5d7-4040-b619-94a4ac0f21dd [observed]
Occultation Date + Time : 2021-02-18 at 22:30:51 UT +/- 0.01 min [1]
Object Designation : (204) Kallisto
Orbit Class : MBA
Star Designation : GDR3 3146166456035026304
Star Coordinates (ICRF) : RA = 08 01 23.5945, DE = +08 43 54.913 [2]
Star Magnitudes : G = 10.78 mag, RP = 9.89 mag, BP = 11.61 mag
Object Magnitude : V = 13.55 mag
Estimated Magnitude Drop : 2.9 mag
Estimated Max. Duration : 4.4 sec
Object Mean Diameter : 49 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 69° (sunlit = 42%), Sun = 148°
Cross-track uncertainty : 1.3 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#62
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
