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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2 observations found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : f0a45fd3-aa6e-455e-b51e-9042a954fa88 [observed]
Occultation Date + Time : 2021-12-29 at 21:39:16 UT +/- 0.01 min [1]
Object Designation : (138) Tolosa
Orbit Class : MBA
Star Designation : GDR3 0883275078283437952
Star Coordinates (ICRF) : RA = 07 13 07.4244, DE = +26 07 35.077 [2]
Star Magnitudes : G = 14.31 mag, RP = 13.43 mag, BP = 14.37 mag
Object Magnitude : V = 12.86 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 3.4 sec
Object Mean Diameter : 46 km (src: astorb)
Speed of the shadow : 13.5 km/s
Elongation to Moon & Sun : 118° (sunlit = 21%), Sun = 171°
Cross-track uncertainty : 2.8 mas = 3 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 24.78 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#97
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0