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2010-12-11 / 2UC 43911923 / (249) Ilse

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O+ CCD M400 CH NTP 20:43:10 20:45:45.4 20:45:52.2 20:48:50 0.3 0.3 6.80 32.6
2 show Carlo Gualdoni O- CCD M250 IT 20:43:22 20:49:22
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#51 : fa9220f1-3adf-43c7-bfc5-227960be688c [db: observed]

Using prediction fa9220f1-3adf-43c7-bfc5-227960be688c for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2010-12-11, 20:45 UT (JD = 2455542.365)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 864None84.995 2°, 85° 2.444969e610573.40.0° NoneNone not scaled 2016-01-04
# 865None84.995 222°, 41° 2.444969e610573.40.0° 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] : fa9220f1-3adf-43c7-bfc5-227960be688c [observed]

 Occultation Date + Time   : 2010-12-11 at 20:49:31 UT +/- 0.07 min  [1]
 Object Designation        : (249) Ilse
 Orbit Class               : MBA
 Star Designation          : GDR3 0140108911301649536
 Star Coordinates (ICRF)   : RA = 02 46 52.5196, DE = +34 43 57.718  [2]
 Star Magnitudes           : G = 11.97 mag, RP = 11.25 mag, BP = 12.55 mag
 Object Magnitude          : V = 13.96 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 7.3 sec
 Object Mean Diameter      : 35 km  (src: astorb)
 Speed of the shadow       : 4.8 km/s
 Elongation to Moon & Sun  : 78° (sunlit = 34%), Sun = 146°
 Cross-track uncertainty   : 4.3 mas = 3 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51

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

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