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2008-12-24 / 2UC 36223763 / (1213) Algeria

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show E. Frappa/A. Klotz O+ CCD M250 FR GPS++ 18:24:15 18:24:50.75 18:24:52.27 18:27:22 0.10 0.10 1.52 31.3
2 show Stefano Sposetti O- CCD M400 CH 18:22:30 18:27:30
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#64 : 9ecbc579-b3d0-44dd-aa60-f16805982903 [db: observed]

Using prediction 9ecbc579-b3d0-44dd-aa60-f16805982903 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2008-12-24, 18:23 UT (JD = 2454825.266)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 44971.016.364 21°, 51° 2.45732e6-2494.70.0° None2020-10-05 not scaled 2019-10-23
# 44981.016.364 195°, 17° 2.45732e6-2494.70.0° 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] : 9ecbc579-b3d0-44dd-aa60-f16805982903 [observed]

 Occultation Date + Time   : 2008-12-24 at 18:23:14 UT +/- 0.01 min  [1]
 Object Designation        : (1213) Algeria
 Orbit Class               : MBA
 Star Designation          : GDR3 2763861487052168704
 Star Coordinates (ICRF)   : RA = 23 40 30.0606, DE = +12 01 39.735  [2]
 Star Magnitudes           : G = 12.14 mag, RP = 11.77 mag, BP = 12.36 mag
 Object Magnitude          : V = 16.52 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 1.6 sec
 Object Mean Diameter      : 33 km  (src: astorb)
 Speed of the shadow       : 20.6 km/s
 Elongation to Moon & Sun  : 117° (sunlit = 7%), Sun = 87°
 Cross-track uncertainty   : 4.3 mas = 8 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 3.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#64

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

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