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2011-01-08 / 2UC 40343014 / (33) Polyhymnia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show P. Drakoulakos O+ VIS M200 GR 22:57:00 22:59:37 22:59:40 23:01:30 3.00 45.6
2 show V. Tsamis et al O- VID M400 GR 22:55:00 23:05:00
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#69 : 1142f7b9-ae1c-4e42-8478-606a288e4b94 [db: observed]

Using prediction 1142f7b9-ae1c-4e42-8478-606a288e4b94 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2011-01-08, 22:59 UT (JD = 2455570.458)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 51631.018.609 187°, -53° 2.457298e6-1727.50.0° None2020-10-05 not scaled 2019-10-23
# 51641.018.609 9°, -52° 2.457298e6-1727.50.0° 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] : 1142f7b9-ae1c-4e42-8478-606a288e4b94 [observed]

 Occultation Date + Time   : 2011-01-08 at 22:59:27 UT +/- 0.01 min  [1]
 Object Designation        : (33) Polyhymnia
 Orbit Class               : MBA
 Star Designation          : GDR3 0867468529186638208
 Star Coordinates (ICRF)   : RA = 07 39 52.3516, DE = +24 09 00.198  [2]
 Star Magnitudes           : G = 12.4 mag, RP = 11.91 mag, BP = 12.72 mag
 Object Magnitude          : V = 12.85 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 4.5 sec
 Object Mean Diameter      : 68 km  (src: astorb)
 Speed of the shadow       : 15.2 km/s
 Elongation to Moon & Sun  : 132° (sunlit = 19%), Sun = 175°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#69

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

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