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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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Occultation UUID [and DB] : 87da195c-8fd5-4fd6-9db2-6943ab37069d [observed]
Occultation Date + Time : 2023-12-20 at 21:49:26 UT +/- 0.01 min [1]
Object Designation : (790) Pretoria
Orbit Class : MBA
Star Designation : GDR3 3396289442794674304
Star Coordinates (ICRF) : RA = 05 43 56.7827, DE = +16 00 44.489 [2]
Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag
Object Magnitude : V = 13.59 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 9.6 sec
Object Mean Diameter : 170 km (src: astorb)
Speed of the shadow : 17.7 km/s
Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172°
Cross-track uncertainty : 2.7 mas = 5 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#100
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0