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2025-11-03 / Other Other J060100.21+322137.7 / (209) Dido

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Henk de Groot O+ VID M350 NL GPS 01:35:37 01:36:46.00 01:36:46.96 01:37:35 0.160 0.160 0.96 5.2
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#138 : a9c97ac0-ddb8-11f0-547e-d120bfd9ddeb [db: observed]

Using prediction a9c97ac0-ddb8-11f0-547e-d120bfd9ddeb for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-11-03, 01:36 UT (JD = 2460982.567)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 36591.05.736 217°, -39° 2.450856e610126.60.0° None2019-09-26 not scaled 2019-05-07
# 36601.05.736 43°, -34° 2.450856e610126.60.0° 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] : a9c97ac0-ddb8-11f0-547e-d120bfd9ddeb [observed]

 Occultation Date + Time   : 2025-11-03 at 01:29:27 UT +/- 0.03 min  [1]
 Object Designation        : (209) Dido
 Orbit Class               : MBA
 Star Designation          : GDR3 3450294602092303488
 Star Coordinates (ICRF)   : RA = 06 01 00.2108, DE = +32 21 37.689  [2]
 Star Magnitudes           : G = 12.86 mag, RP = 12.0 mag, BP = 13.63 mag
 Object Magnitude          : V = 13.74 mag
 Estimated Magnitude Drop  : 1.3 mag
 Estimated Max. Duration   : 29.4 sec
 Object Mean Diameter      : 159.9 km  (src: astorb)
 Speed of the shadow       : 5.4 km/s
 Elongation to Moon & Sun  : 84° (sunlit = 91%), Sun = 130°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.00 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#138
 Note                      : FP:true

 Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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