2025-08-13 / UCAC4 330-171138 / (66011) 1998 QR17
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
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Jorge JUAN, Carles Schnabel
O+
VID
M410
ES
GPS
23:03:29
23:05:13.04
23:05:14.80
23:06:42
0.080
0.080
1.76
7.0
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 4437d9f0-ddb7-11f0-547e-d712429dadf1 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4437d9f0-ddb7-11f0-547e-d712429dadf1 [observed]
Occultation Date + Time : 2025-08-13 at 23:07:09 UT +/- 0.01 min [1]
Object Designation : (66011) 1998 QR17
Orbit Class : MBA
Star Designation : GDR3 4076783163522178304
Star Coordinates (ICRF) : RA = 18 40 38.0749, DE = -24 08 15.055 [2]
Star Magnitudes : G = 12.41 mag, RP = 11.89 mag, BP = 12.75 mag
Object Magnitude : V = 17.92 mag
Estimated Magnitude Drop : 5.5 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 6.2 km (src: astorb)
Speed of the shadow : 4.0 km/s
Elongation to Moon & Sun : 102° (sunlit = 75%), Sun = 138°
Cross-track uncertainty : 0.3 mas = 0 km = 0.06 path-width (1-sig)
RUWE and duplicate source : 0.82 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#52
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)