2026-04-17 / TYC 3031-00776-1 / (1866) Sisyphus
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith, Eric Smith
O-
VID
M280
ES
GPS
04:12:08
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::
04:14:08
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 217d5f10-33f3-11f1-6999-5d1eb97ebcb6 for map and profile fit
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Event Details
Occultation UUID [and DB] : 217d5f10-33f3-11f1-6999-5d1eb97ebcb6 [asteroids]
Occultation Date + Time : 2026-04-17 at 04:16:48 UT +/- 0.0 min [1]
Object Designation : (1866) Sisyphus
Orbit Class : NEO
Star Designation : GDR3 1549974399147317632
Star Coordinates (ICRF) : RA = 13 32 58.9618, DE = +44 48 31.628 [2]
Star Magnitudes : G = 9.65 mag, RP = 9.25 mag, BP = 9.86 mag
Object Magnitude : V = 17.39 mag
Estimated Magnitude Drop : 7.7 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 11.0 km (src: astorb)
Speed of the shadow : 20.0 km/s
Elongation to Moon & Sun : 123° (sunlit = 0%), Sun = 125°
Cross-track uncertainty : 1.3 mas = 2 km = 0.19 path-width (1-sig)
RUWE and duplicate source : 7.42 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#1183
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)
