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2025-12-26 / UCAC4 614-034882 / (1781) Van Biesbroeck

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Roland BONINSEGNA O+ VID M400 BE GPS 03:11:25 03:12:24.09 03:12:24.41 03:13:23 0.040 0.040 0.32 3.3
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):
JPL69 : f0153700-d996-11f1-43f3-cda8efcf0ded [db: observed]

Using prediction f0153700-d996-11f1-43f3-cda8efcf0ded for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-12-26, 03:12 UT (JD = 2461035.633)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 33351.06.385 310°, -64° 2.451499e69536.60.0° None2019-09-26 not scaled 2019-05-07
# 33361.06.385 132°, -43° 2.451499e69536.60.0° None2019-09-26 not scaled 2019-05-07
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] : f0153700-d996-11f1-43f3-cda8efcf0ded [observed]

 Occultation Date + Time   : 2025-12-26 at 03:16:18 UT +/- 0.0 min  [1]
 Object Designation        : (1781) Van Biesbroeck
 Orbit Class               : MBA
 Star Designation          : GDR3 0938237843492369920
 Star Coordinates (ICRF)   : RA = 06 36 05.9628, DE = +32 45 48.953  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 13.0 mag, BP = 14.39 mag
 Object Magnitude          : V = 15.77 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 8.6 km  (src: astorb)
 Speed of the shadow       : 10.4 km/s
 Elongation to Moon & Sun  : 113° (sunlit = 33%), Sun = 170°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL69
 Note                      : FP:true

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

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