2026-04-01 / UCAC4 612-031143 / (4293) Masumi
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anna Marciniak
O-
CCD
M350
PL
NTP
20:20:49
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20:21:27
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 e99ce150-341b-11f1-6999-f231dbb7fcc5 for map and profile fit
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Event Details
Occultation UUID [and DB] : e99ce150-341b-11f1-6999-f231dbb7fcc5 [asteroids]
Occultation Date + Time : 2026-04-01 at 20:18:59 UT +/- 0.0 min [1]
Object Designation : (4293) Masumi
Orbit Class : MBA
Star Designation : GDR3 3439689945586297216
Star Coordinates (ICRF) : RA = 06 18 34.6183, DE = +32 18 09.993 [2]
Star Magnitudes : G = 12.99 mag, RP = 12.45 mag, BP = 13.36 mag
Object Magnitude : V = 16.76 mag
Estimated Magnitude Drop : 3.8 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 11.4 km (src: astorb)
Speed of the shadow : 23.7 km/s
Elongation to Moon & Sun : 96° (sunlit = 100%), Sun = 82°
Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.85 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#64
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)
