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2026-10-19 / UCAC4 601-024153 / (3109) Machin

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Björn Kattentidt O+ VID M280 DE GPS 04:38:14 04:40:12.554 04:40:16.145 04:42:15 0.404 0.404 3.59 15.1
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):
JPL70 : 26970c50-d9b4-11f1-43f3-ebcbffdffa4c [db: observed]
JPL70 : 26973360-d9b4-11f1-43f3-8f8a7edf3ee0 [db: observed]

Using prediction 26970c50-d9b4-11f1-43f3-ebcbffdffa4c for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 26970c50-d9b4-11f1-43f3-ebcbffdffa4c [observed]

 Occultation Date + Time   : 2026-10-19 at 04:29:41 UT +/- 0.02 min  [1]
 Object Designation        : (3109) Machin
 Orbit Class               : MBA
 Star Designation          : GDR3 3444374453531193216
 Star Coordinates (ICRF)   : RA = 05 45 49.5129, DE = +30 02 50.001  [2]
 Star Magnitudes           : G = 15.0 mag, RP = 14.55 mag, BP = 15.29 mag
 Object Magnitude          : V = 16.8 mag
 Estimated Magnitude Drop  : 2.0 mag
 Estimated Max. Duration   : 5.5 sec
 Object Mean Diameter      : 22.9 km  (src: astorb)
 Speed of the shadow       : 4.2 km/s
 Elongation to Moon & Sun  : 145° (sunlit = 55%), Sun = 119°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL70
 Note                      : FP:true

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

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