2023-04-30 / UCAC4 524-049510 / (939) Isberga
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Christian Weber
O-
VID
T203
DE
GPS
20:42:45
20:46:00
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 928612b0-ddb3-11f0-547e-5c0cf6fbbfef for map and profile fit
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Event Details
Occultation UUID [and DB] : 928612b0-ddb3-11f0-547e-5c0cf6fbbfef [observed]
Occultation Date + Time : 2023-04-30 at 20:43:03 UT +/- 0.02 min [1]
Object Designation : (939) Isberga
Orbit Class : MBA
Star Designation : GDR3 0630510411758988416
Star Coordinates (ICRF) : RA = 09 22 07.3808, DE = +14 40 49.984 [2]
Star Magnitudes : G = 12.8 mag, RP = 12.37 mag, BP = 13.04 mag
Object Magnitude : V = 17.04 mag
Estimated Magnitude Drop : 4.3 mag
Estimated Max. Duration : 1.7 sec
Object Mean Diameter : 17.8 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 25° (sunlit = 77%), Sun = 98°
Cross-track uncertainty : 7.5 mas = 12 km = 0.70 path-width (1-sig)
RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#72
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)
