2026-10-02 / UCAC4 553-038219 / (17711) 1997 WA7
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
02:06:37
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::
02:08:37
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 b1a62da0-d9b2-11f1-43f3-e06f9edf7255 for map and profile fit
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Event Details
Occultation UUID [and DB] : b1a62da0-d9b2-11f1-43f3-e06f9edf7255 [observed]
Occultation Date + Time : 2026-10-02 at 02:11:36 UT +/- 0.0 min [1]
Object Designation : (17711) 1997 WA7
Orbit Class : MBA
Star Designation : GDR3 3363754790649844864
Star Coordinates (ICRF) : RA = 07 17 40.4784, DE = +20 25 31.435 [2]
Star Magnitudes : G = 14.52 mag, RP = 13.83 mag, BP = 15.05 mag
Object Magnitude : V = 18.29 mag
Estimated Magnitude Drop : 3.8 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 11.0 km (src: astorb)
Speed of the shadow : 18.4 km/s
Elongation to Moon & Sun : 29° (sunlit = 67%), Sun = 81°
Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 1.11 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL67
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)
