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2008-12-31 / 2UC 31689676 / (29) Amphitrite

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show E. Frappa et al O+ VID M203 FR GPS++ 05:02:49 05:05:41.40 05:05:54.48 05:08:45 0.11 0.11 13.08 181.8
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#164 : 1792330f-ef70-4b96-81af-c461acee06ae [db: observed]

Using prediction 1792330f-ef70-4b96-81af-c461acee06ae for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2008-12-31, 05:04 UT (JD = 2454831.711)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 1243.05.390 322°, -28° 2.437962e616869.70.0° None2017-05-30 not scaled 2017-05-30
# 17924.05.390 324°, -26° 2.43893525536e615896.50.0° None2017-05-30 206.0 +/- 3.0 km 2017-05-30
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] : 1792330f-ef70-4b96-81af-c461acee06ae [observed]

 Occultation Date + Time   : 2008-12-31 at 05:09:09 UT +/- 0.01 min  [1]
 Object Designation        : (29) Amphitrite
 Orbit Class               : MBA
 Star Designation          : GDR3 3695161510953618944
 Star Coordinates (ICRF)   : RA = 12 20 56.4273, DE = -00 29 19.090  [2]
 Star Magnitudes           : G = 11.95 mag, RP = 11.49 mag, BP = 12.24 mag
 Object Magnitude          : V = 10.86 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 15.3 sec
 Object Mean Diameter      : 212 km  (src: astorb)
 Speed of the shadow       : 13.9 km/s
 Elongation to Moon & Sun  : 135° (sunlit = 12%), Sun = 95°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#164

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

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