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2025-02-06 / UCAC4 380-074567 / (259) Aletheia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carles Schnabel O+ VID M400 ES GPS 05:17:03 05:18:40.6 05:18:47.16 05:20:55 0.3 0.16 6.56 176.5
2 show Faustino Garcia O- VID T250 ES GPS 05:16:25 05:20:25
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#139 : 9fafc630-8566-11ef-78cd-f58ff79e0148 [db: asteroids]

Using prediction 9fafc630-8566-11ef-78cd-f58ff79e0148 for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Occ by (259) Aletheia on 2025-02-06

Unavailable
300 km

Event Details
 Occultation UUID [and DB] : 9fafc630-8566-11ef-78cd-f58ff79e0148 [asteroids]

 Occultation Date + Time   : 2025-02-06 at 05:20:33 UT +/- 0.01 min  [1]
 Object Designation        : (259) Aletheia
 Orbit Class               : MBA
 Star Designation          : GDR3 4329544398371548544
 Star Coordinates (ICRF)   : RA = 16 14 34.0336, DE = -14 03 34.856  [2]
 Star Magnitudes           : G = 13.69 mag, RP = 12.96 mag, BP = 14.29 mag
 Object Magnitude          : V = 13.36 mag
 Estimated Magnitude Drop  : 0.6 mag
 Estimated Max. Duration   : 6.6 sec
 Object Mean Diameter      : 178.6 km  (src: astorb)
 Speed of the shadow       : 26.9 km/s
 Elongation to Moon & Sun  : 167° (sunlit = 60%), Sun = 74°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#139

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

More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
(If error 404: link not valid which means no data available)

Aladin Sky Atlas
16 14 34.034 -14 03 34.86
FoV: 29.96'
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