2022-11-20 / 4UC 496-009883 / (1031) Arctica
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Nosal
O+
CCD
M250
SK
NTP+
21:23:03
21:24:33.44
21:24:37.10
21:26:06
0.17
0.17
3.66
50.5
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: euraster
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Using prediction e93e058c-e87b-4ac8-90ec-d9c50edfdcde for map and profile fit
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Event Details
Occultation UUID [and DB] : e93e058c-e87b-4ac8-90ec-d9c50edfdcde [observed]
Occultation Date + Time : 2022-11-20 at 21:24:39 UT +/- 0.05 min [1]
Object Designation : (1031) Arctica
Star Designation : GDR3 3290361977176928128
Star Coordinates (ICRF) : RA = 05 04 36.3163, DE = +09 03 47.348 [2]
Star Magnitudes : G = 14.94 mag, RP = 14.41 mag, BP = 15.29 mag
Object Magnitude : V = 14.11 mag
Estimated Magnitude Drop : 0.4 mag
Estimated Max. Duration : 5.5 sec
Object Mean Diameter : 76 km (src: astorb+H10)
Speed of the shadow : 13.8 km/s
Elongation to Moon & Sun : 122° (sunlit = 12%), Sun = 158°
Cross-track uncertainty : 4.3 mas = 6 km = 0.09 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63 (23-01-08)
[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)