UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 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] : f9f82ad1-026e-49d0-a6a9-5dde94f80f76 [observed]
Occultation Date + Time : 2021-12-16 at 18:07:43 UT +/- 0.01 min [1]
Object Designation : (167) Urda
Orbit Class : MBA
Star Designation : GDR3 2545073860128006016
Star Coordinates (ICRF) : RA = 00 12 12.0840, DE = -00 17 43.019 [2]
Star Magnitudes : G = 13.45 mag, RP = 12.86 mag, BP = 13.87 mag
Object Magnitude : V = 14.71 mag
Estimated Magnitude Drop : 1.6 mag
Estimated Max. Duration : 3.1 sec
Object Mean Diameter : 40 km (src: astorb)
Speed of the shadow : 12.8 km/s
Elongation to Moon & Sun : 56° (sunlit = 95%), Sun = 98°
Cross-track uncertainty : 2.0 mas = 3 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#61
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
