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: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : ed8d0f37-2205-44e8-bdae-64fb3f2b6d1a [observed]
Occultation Date + Time : 2023-08-04 at 00:17:33 UT +/- 0.03 min [1]
Object Designation : (1136) Mercedes
Orbit Class : MBA
Star Designation : GDR3 4223546735813693312
Star Coordinates (ICRF) : RA = 20 06 43.2840, DE = -02 40 32.830 [2]
Star Magnitudes : G = 14.55 mag, RP = 13.85 mag, BP = 15.09 mag
Object Magnitude : V = 13.73 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 3.6 sec
Object Mean Diameter : 25 km (src: astorb)
Speed of the shadow : 7.1 km/s
Elongation to Moon & Sun : 45° (sunlit = 93%), Sun = 161°
Cross-track uncertainty : 4.3 mas = 3 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#66
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0