2023-05-09 / UCAC4 369-073089 / (20533) Irmabonham
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Christian Weber
O+
VID
T203
DE
GPS
23:02:42
23:03:32.720
23:03:33.360
23:04:12
0.16
0.16
0.64
6.7
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 9631b590-ddb3-11f0-547e-e349fefda083 for map and profile fit
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Event Details
Occultation UUID [and DB] : 9631b590-ddb3-11f0-547e-e349fefda083 [observed]
Occultation Date + Time : 2023-05-09 at 23:00:30 UT +/- 0.0 min [1]
Object Designation : (20533) Irmabonham
Orbit Class : MBA
Star Designation : GDR3 6262363313177152128
Star Coordinates (ICRF) : RA = 15 56 31.2314, DE = -16 13 15.445 [2]
Star Magnitudes : G = 12.97 mag, RP = 12.45 mag, BP = 13.32 mag
Object Magnitude : V = 17.98 mag
Estimated Magnitude Drop : 5.0 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.1 km (src: astorb)
Speed of the shadow : 10.4 km/s
Elongation to Moon & Sun : 44° (sunlit = 79%), Sun = 168°
Cross-track uncertainty : 0.7 mas = 0 km = 0.18 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#53
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)
