2025-04-08 / UCAC4 373-158190 / (31603) 1999 GQ3
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Björn Kattentidt
O-
VID
M280
DE
GPS
02:38:32
02:40:06
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 686a51f0-ddb6-11f0-547e-ca39fedebaab for map and profile fit
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Event Details
Occultation UUID [and DB] : 686a51f0-ddb6-11f0-547e-ca39fedebaab [observed]
Occultation Date + Time : 2025-04-08 at 02:39:21 UT +/- 0.0 min [1]
Object Designation : (31603) 1999 GQ3
Orbit Class : MBA
Star Designation : GDR3 4100780627604179840
Star Coordinates (ICRF) : RA = 18 58 57.8899, DE = -15 31 48.623 [2]
Star Magnitudes : G = 13.88 mag, RP = 13.22 mag, BP = 14.39 mag
Object Magnitude : V = 18.44 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 6.3 km (src: astorb)
Speed of the shadow : 17.7 km/s
Elongation to Moon & Sun : 139° (sunlit = 79%), Sun = 94°
Cross-track uncertainty : 0.4 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.68 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#66
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)
