2026-09-22 / UCAC4 547-026741 / (343627) 2010 HY31
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Roland BONINSEGNA
O-
VID
M400
BE
GPS
03:52:56
::
::
03:54:36
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 1e8dbc00-d9b1-11f1-43f3-fb34fff73e6b for map and profile fit
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Event Details
Occultation UUID [and DB] : 1e8dbc00-d9b1-11f1-43f3-fb34fff73e6b [observed]
Occultation Date + Time : 2026-09-22 at 03:57:31 UT +/- 0.12 min [1]
Object Designation : (343627) 2010 HY31
Orbit Class : JTRO
Star Designation : GDR3 3372384101503941888
Star Coordinates (ICRF) : RA = 06 24 45.5332, DE = +19 20 38.600 [2]
Star Magnitudes : G = 14.45 mag, RP = 13.87 mag, BP = 14.86 mag
Object Magnitude : V = 21.27 mag
Estimated Magnitude Drop : 6.8 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 8.3 km (src: astorb)
Speed of the shadow : 15.1 km/s
Elongation to Moon & Sun : 150° (sunlit = 80%), Sun = 83°
Cross-track uncertainty : 17.3 mas = 71 km = 8.59 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL38
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)
