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2026-07-09 / UCAC4 430-110299 / (313) Chaldaea

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Marcin Filipek O+ VID M250 PL GPS 20:01:19 20:01:47.20 20:01:53.50 20:02:19 0.100 0.200 6.30 75.6
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):
JPL130 : 64a33000-d9aa-11f1-43f3-c155ebeb01bc [db: observed]

Using prediction 64a33000-d9aa-11f1-43f3-c155ebeb01bc for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2026-07-09, 20:00 UT (JD = 2461231.333)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 1223None8.390 218°, 29° 2.443125e618106.30.0° NoneNone not scaled 2016-01-04
# 1224None8.390 44°, 11° 2.443125e618106.30.0° NoneNone not scaled 2016-01-04
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] : 64a33000-d9aa-11f1-43f3-c155ebeb01bc [observed]

 Occultation Date + Time   : 2026-07-09 at 19:58:45 UT +/- 0.01 min  [1]
 Object Designation        : (313) Chaldaea
 Orbit Class               : MBA
 Star Designation          : GDR3 4222175026335682304
 Star Coordinates (ICRF)   : RA = 20 16 37.9118, DE = -04 08 47.287  [2]
 Star Magnitudes           : G = 13.32 mag, RP = 12.48 mag, BP = 14.06 mag
 Object Magnitude          : V = 13.29 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 8.0 sec
 Object Mean Diameter      : 96.3 km  (src: astorb)
 Speed of the shadow       : 12.0 km/s
 Elongation to Moon & Sun  : 97° (sunlit = 28%), Sun = 157°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL130
 Note                      : FP:true

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

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