2023-08-31 / UCAC4 387-138749 / (11047) 1990 QL1
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Carles Schnabel
O-
VID
M400
ES
GPS
20:20:36
20:23:40
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 fbe61610-ddb3-11f0-547e-8bab7f7faf58 for map and profile fit
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Event Details
Occultation UUID [and DB] : fbe61610-ddb3-11f0-547e-8bab7f7faf58 [observed]
Occultation Date + Time : 2023-08-31 at 20:25:42 UT +/- 0.01 min [1]
Object Designation : (11047) 1990 QL1
Orbit Class : MBA
Star Designation : GDR3 6876934272366885504
Star Coordinates (ICRF) : RA = 20 24 37.7046, DE = -12 43 00.822 [2]
Star Magnitudes : G = 13.75 mag, RP = 13.27 mag, BP = 14.05 mag
Object Magnitude : V = 17.88 mag
Estimated Magnitude Drop : 4.2 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 7.4 km (src: astorb)
Speed of the shadow : 9.4 km/s
Elongation to Moon & Sun : 45° (sunlit = 99%), Sun = 147°
Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 2.52 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#59
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)
