2025-12-15 / UCAC4 550-021621 / (1844) Susilva
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Sven Andersson
O+
VID
M360
DE
GPS
21:03:26
21:03:54.808
21:03:55.565
21:04:25
0.014
0.014
0.76
10.3
2
show Henk de Groot
O-
VID
M350
NL
GPS
21:03:31
::
::
21:05:21
3
show Anna Marciniak
O-
CCD
M350
PL
NTP
21:02:46
::
::
21:04:47
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 3 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction dc68ebf0-ddb8-11f0-547e-b600f79f1eb1 for map and profile fit
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Event Details
Occultation UUID [and DB] : dc68ebf0-ddb8-11f0-547e-b600f79f1eb1 [observed]
Occultation Date + Time : 2025-12-15 at 21:00:07 UT +/- 0.0 min [1]
Object Designation : (1844) Susilva
Orbit Class : MBA
Star Designation : GDR3 3422807322497631744
Star Coordinates (ICRF) : RA = 05 58 30.2989, DE = +19 51 29.427 [2]
Star Magnitudes : G = 11.95 mag, RP = 11.53 mag, BP = 12.21 mag
Object Magnitude : V = 15.27 mag
Estimated Magnitude Drop : 3.4 mag
Estimated Max. Duration : 1.5 sec
Object Mean Diameter : 20.6 km (src: astorb)
Speed of the shadow : 13.6 km/s
Elongation to Moon & Sun : 128° (sunlit = 15%), Sun = 173°
Cross-track uncertainty : 0.7 mas = 1 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#81
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)
