2026-07-18 / UCAC4 326-075642 / (3731) Hancock
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O+
VID
M200
ES
GPS
20:18:02
20:19:18.77
20:19:21.33
20:21:01
0.330
0.330
2.56
21.5
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 f6f7d1e0-d9aa-11f1-43f3-975937bf44a5 for map and profile fit
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Event Details
Occultation UUID [and DB] : f6f7d1e0-d9aa-11f1-43f3-975937bf44a5 [observed]
Occultation Date + Time : 2026-07-18 at 20:08:46 UT +/- 0.02 min [1]
Object Designation : (3731) Hancock
Orbit Class : MBA
Star Designation : GDR3 6238963644152028032
Star Coordinates (ICRF) : RA = 15 23 54.4603, DE = -24 54 37.639 [2]
Star Magnitudes : G = 12.86 mag, RP = 12.04 mag, BP = 13.52 mag
Object Magnitude : V = 16.21 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 5.9 sec
Object Mean Diameter : 49.3 km (src: astorb)
Speed of the shadow : 8.4 km/s
Elongation to Moon & Sun : 60° (sunlit = 24%), Sun = 119°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.27 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL64
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)
