UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
4 observations 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] : 90702a3a-3881-4b67-9f53-9765b0f8b6e0 [observed]
Occultation Date + Time : 2020-07-13 at 01:23:07 UT +/- 0.02 min [1]
Object Designation : (925) Alphonsina
Orbit Class : MBA
Star Designation : GDR3 2822304000401936512
Star Coordinates (ICRF) : RA = 23 55 18.4777, DE = +19 31 59.906 [2]
Star Magnitudes : G = 10.66 mag, RP = 9.85 mag, BP = 11.18 mag
Object Magnitude : V = 13.82 mag
Estimated Magnitude Drop : 3.2 mag
Estimated Max. Duration : 3.8 sec
Object Mean Diameter : 54 km (src: astorb)
Speed of the shadow : 14.3 km/s
Elongation to Moon & Sun : 27° (sunlit = 49%), Sun = 103°
Cross-track uncertainty : 2.0 mas = 3 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 3.67 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#118
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
