2024-09-17 / UCAC4 347-125682 / (24656) 1987 QT7
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Gregor Krannich
O-
VID
M350
DE
GPS
19:28:30
19:30:30
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 66f24d60-ddb5-11f0-547e-f1bd6dff09da for map and profile fit
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Event Details
Occultation UUID [and DB] : 66f24d60-ddb5-11f0-547e-f1bd6dff09da [observed]
Occultation Date + Time : 2024-09-17 at 19:27:43 UT +/- 0.0 min [1]
Object Designation : (24656) 1987 QT7
Orbit Class : MBA
Star Designation : GDR3 4070875384467936768
Star Coordinates (ICRF) : RA = 18 04 12.3222, DE = -20 47 09.383 [2]
Star Magnitudes : G = 11.64 mag, RP = 10.55 mag, BP = 12.88 mag
Object Magnitude : V = 19.45 mag
Estimated Magnitude Drop : 7.8 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 3.0 km (src: astorb)
Speed of the shadow : 14.6 km/s
Elongation to Moon & Sun : 80° (sunlit = 100%), Sun = 96°
Cross-track uncertainty : 0.3 mas = 0 km = 0.13 path-width (1-sig)
RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#55
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)
