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2026-04-07 / UCAC4 424-033971 / (1108) Demeter

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Philip Denyer O+ VID M235 GB GPS 20:19:01 20:20:16.46 20:20:17.58 20:21:01 0.120 0.120 1.12 15.8
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#66 : 89c98370-33dd-11f1-6999-95b6e7bf7580 [db: asteroids]

Using prediction 89c98370-33dd-11f1-6999-95b6e7bf7580 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2026-04-07, 20:19 UT (JD = 2461138.347)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 44451.09.834 302°, -11° 2.45743e63708.30.0° None2020-10-05 not scaled 2019-10-23
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] : 89c98370-33dd-11f1-6999-95b6e7bf7580 [asteroids]

 Occultation Date + Time   : 2026-04-07 at 20:14:41 UT +/- 0.01 min  [1]
 Object Designation        : (1108) Demeter
 Orbit Class               : MBA
 Star Designation          : GDR3 3058594821653480704
 Star Coordinates (ICRF)   : RA = 07 23 35.6893, DE = -05 15 52.887  [2]
 Star Magnitudes           : G = 13.56 mag, RP = 12.89 mag, BP = 13.63 mag
 Object Magnitude          : V = 17.59 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 1.8 sec
 Object Mean Diameter      : 25.6 km  (src: astorb)
 Speed of the shadow       : 14.1 km/s
 Elongation to Moon & Sun  : 136° (sunlit = 72%), Sun = 95°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 11.47 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#66
 Note                      : FP:true

 
 [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
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