2026-09-29 / UCAC4 414-105866 / (12257) Lassine
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Carsten Ziolek
O-
VID
M356
CH
GPS
19:39:51
::
::
19:41:51
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 36ce6ca0-d9b2-11f1-43f3-48fdedd7d923 for map and profile fit
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Event Details
Occultation UUID [and DB] : 36ce6ca0-d9b2-11f1-43f3-48fdedd7d923 [observed]
Occultation Date + Time : 2026-09-29 at 19:40:28 UT +/- 0.0 min [1]
Object Designation : (12257) Lassine
Orbit Class : MBA
Star Designation : GDR3 4205592466906370688
Star Coordinates (ICRF) : RA = 18 57 15.9081, DE = -07 22 50.583 [2]
Star Magnitudes : G = 13.06 mag, RP = 11.88 mag, BP = 14.53 mag
Object Magnitude : V = 18.74 mag
Estimated Magnitude Drop : 5.7 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 5.1 km (src: astorb)
Speed of the shadow : 16.3 km/s
Elongation to Moon & Sun : 119° (sunlit = 88%), Sun = 98°
Cross-track uncertainty : 0.4 mas = 0 km = 0.12 path-width (1-sig)
RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL58
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)
