2022-10-12 / 4UC 492-009839 / (5284) Orsilocus
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Henk De Groot
O+
VID
M356
NL
GPS++
04:00:39
04:04:20.12
04:04:33.80
04:06:37
0.04
0.04
13.68
50.6
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Using prediction 60a75daa-4838-4a38-904d-aae214bfb5b3 for map and profile fit
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Event Details
Occultation UUID [and DB] : 60a75daa-4838-4a38-904d-aae214bfb5b3 [observed]
Occultation Date + Time : 2022-10-12 at 04:17:58 UT +/- 0.25 min [1]
Object Designation : (5284) Orsilocus
Orbit Class : JTRO
Star Designation : GDR3 3290111765266272256
Star Coordinates (ICRF) : RA = 05 04 42.4580, DE = +08 23 54.122 [2]
Star Magnitudes : G = 11.75 mag, RP = 11.15 mag, BP = 12.18 mag
Object Magnitude : V = 17.34 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 8.7 sec
Object Mean Diameter : 32 km (src: astorb)
Speed of the shadow : 3.7 km/s
Elongation to Moon & Sun : 32° (sunlit = 94%), Sun = 122°
Cross-track uncertainty : 6.7 mas = 20 km = 0.64 path-width (1-sig)
RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#54
[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)