2026-08-31 / UCAC4 509-143047 / (1031) Arctica
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Matthieu Conjat
O-
VID
T400
FR
GPS
20:32:53
::
::
20:34:16
2
show Piotr Walczak
O-
VID
M130
PL
GPS
20:31:00
::
::
20:33:03
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 24b9da20-d9af-11f1-43f3-e3e63fd7d46e for map and profile fit
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Event Details
Occultation UUID [and DB] : 24b9da20-d9af-11f1-43f3-e3e63fd7d46e [observed]
Occultation Date + Time : 2026-08-31 at 20:33:21 UT +/- 0.01 min [1]
Object Designation : (1031) Arctica
Orbit Class : MBA
Star Designation : GDR3 2728358424094151680
Star Coordinates (ICRF) : RA = 21 58 44.4965, DE = +11 43 57.739 [2]
Star Magnitudes : G = 14.09 mag, RP = 13.48 mag, BP = 14.53 mag
Object Magnitude : V = 14.33 mag
Estimated Magnitude Drop : 0.9 mag
Estimated Max. Duration : 5.5 sec
Object Mean Diameter : 75.5 km (src: astorb)
Speed of the shadow : 13.8 km/s
Elongation to Moon & Sun : 49° (sunlit = 85%), Sun = 157°
Cross-track uncertainty : 1.3 mas = 2 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL81
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)
