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] : f31ef91b-b67e-4487-97ef-19d4ef8f69de [observed]
Occultation Date + Time : 2022-09-06 at 22:07:13 UT +/- 0.03 min [1]
Object Designation : (95) Arethusa
Orbit Class : MBA
Star Designation : GDR3 4229299002688416128
Star Coordinates (ICRF) : RA = 20 22 55.4359, DE = -00 45 57.065 [2]
Star Magnitudes : G = 14.32 mag, RP = 13.24 mag, BP = 15.52 mag
Object Magnitude : V = 12.63 mag
Estimated Magnitude Drop : 0.2 mag
Estimated Max. Duration : 18.2 sec
Object Mean Diameter : 136 km (src: astorb)
Speed of the shadow : 7.5 km/s
Elongation to Moon & Sun : 25° (sunlit = 84%), Sun = 140°
Cross-track uncertainty : 2.7 mas = 3 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.81 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0