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2026-03-12 / UCAC4 563-035192 / (2555) Thomas

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Polak O+ VID M300 CZ NTP 23:36:02 23:37:24.78 23:37:25.14 23:39:02 0.040 0.040 0.36 2.2
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):
JPL#74 : c744de30-de73-11f0-4858-e6e0feeed6be [db: asteroids]
JPL#74 : c744de30-de73-11f0-4858-05abb73fc0ca [db: asteroids]

Using prediction c744de30-de73-11f0-4858-05abb73fc0ca for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2026-03-12, 23:37 UT (JD = 2461112.484)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 49401.02.858 349°, -68° 2.457319e63793.50.0° None2020-10-05 not scaled 2019-10-23
# 49411.02.858 186°, -76° 2.457319e63793.50.0° None2020-10-05 not scaled 2019-10-23
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

   
Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : c744de30-de73-11f0-4858-05abb73fc0ca [asteroids]

 Occultation Date + Time   : 2026-03-12 at 23:29:55 UT +/- 0.0 min  [1]
 Object Designation        : (2555) Thomas
 Orbit Class               : MBA
 Star Designation          : GDR3 3378739072551170432
 Star Coordinates (ICRF)   : RA = 06 51 06.1200, DE = +22 35 18.326  [2]
 Star Magnitudes           : G = 14.26 mag, RP = 19.14 mag, BP = 20.0 mag
 Object Magnitude          : V = 17.26 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 2.1 sec
 Object Mean Diameter      : 13.3 km  (src: astorb)
 Speed of the shadow       : 6.2 km/s
 Elongation to Moon & Sun  : 175° (sunlit = 35%), Sun = 109°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#74
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
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