2025-03-06 / UCAC4 484-049364 / (21602) Ialmenus
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anna Marciniak
O+
CCD
M350
PL
GPS
23:36:51
23:37:54.440
23:37:55.590
23:38:55
0.09
0.09
1.15
17.8
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 7282c9f0-8b60-11ef-78cd-8e0a9fffcd86 for map and profile fit
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Event Details
Occultation UUID [and DB] : 7282c9f0-8b60-11ef-78cd-8e0a9fffcd86 [asteroids]
Occultation Date + Time : 2025-03-06 at 23:38:04 UT +/- 0.07 min [1]
Object Designation : (21602) Ialmenus
Orbit Class : JTRO
Star Designation : GDR3 3873945400163953920
Star Coordinates (ICRF) : RA = 10 10 02.4547, DE = +06 43 41.759 [2]
Star Magnitudes : G = 12.98 mag, RP = 12.42 mag, BP = 13.32 mag
Object Magnitude : V = 18.96 mag
Estimated Magnitude Drop : 6.0 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 12.2 km (src: astorb)
Speed of the shadow : 15.5 km/s
Elongation to Moon & Sun : 72° (sunlit = 53%), Sun = 165°
Cross-track uncertainty : 11.3 mas = 32 km = 2.65 path-width (1-sig)
RUWE and duplicate source : 2.77 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#33
[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)