2023-12-20 / UCAC4 531-016861 / (790) Pretoria
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Archimedes Karagiannidis, Michail Dogramtzidis
O+
CCD
M356
GR
GPS
21:47:10
21:49:07.37
21:49:14.16
21:51:11
0.19
0.19
6.79
120.2
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction e5192ba0-ddb0-11f0-547e-8640bef7bc8a for map and profile fit
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Event Details
Occultation UUID [and DB] : e5192ba0-ddb0-11f0-547e-8640bef7bc8a [observed]
Occultation Date + Time : 2023-12-20 at 21:49:28 UT +/- 0.01 min [1]
Object Designation : (790) Pretoria
Orbit Class : MBA
Star Designation : GDR3 3396289442794674304
Star Coordinates (ICRF) : RA = 05 43 56.7826, DE = +16 00 44.489 [2]
Star Magnitudes : G = 14.59 mag, RP = 13.8 mag, BP = 15.26 mag
Object Magnitude : V = 13.53 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 9.6 sec
Object Mean Diameter : 170.4 km (src: astorb)
Speed of the shadow : 17.7 km/s
Elongation to Moon & Sun : 73° (sunlit = 63%), Sun = 172°
Cross-track uncertainty : 1.0 mas = 2 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#112
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
