2025-11-20 / TYC 5820-00348-1 / (33507) 1999 GT23
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Daniel Antuszewicz
O+
VID
M300
PL
NTP
18:30:59
18:32:00.37
18:32:00.82
18:32:59
0.030
0.030
0.45
4.9
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 bc93d010-ddb8-11f0-547e-c4d6bffcfb09 for map and profile fit
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Event Details
Occultation UUID [and DB] : bc93d010-ddb8-11f0-547e-c4d6bffcfb09 [observed]
Occultation Date + Time : 2025-11-20 at 18:29:59 UT +/- 0.0 min [1]
Object Designation : (33507) 1999 GT23
Orbit Class : MBA
Star Designation : GDR3 2607304328474188416
Star Coordinates (ICRF) : RA = 23 00 45.4785, DE = -08 53 05.852 [2]
Star Magnitudes : G = 11.65 mag, RP = 11.18 mag, BP = 11.96 mag
Object Magnitude : V = 19.3 mag
Estimated Magnitude Drop : 7.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 4.3 km (src: astorb)
Speed of the shadow : 10.8 km/s
Elongation to Moon & Sun : 99° (sunlit = 0%), Sun = 104°
Cross-track uncertainty : 0.8 mas = 1 km = 0.29 path-width (1-sig)
RUWE and duplicate source : 3.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#54
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)
