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2017-03-20 / 4UC 621-029884 / (193) Ambrosia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show E. Frappa/A. Klotz O+ CCD M250 CL GPS++ 02:16:46 02:17:30.83 02:17:31.73 02:19:59 0.09 0.09 0.90 20.7
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#63 : 75023f99-db7d-4a85-ae81-8cc136f38e6a [db: observed]

Using prediction 75023f99-db7d-4a85-ae81-8cc136f38e6a for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2017-03-20, 02:16 UT (JD = 2457832.594)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 548None6.582 141°, -11° 2.450941e66891.60.0° NoneNone not scaled 2013-02-11
# 549None6.582 328°, -17° 2.450941e66891.60.0° NoneNone not scaled 2013-02-11
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] : 75023f99-db7d-4a85-ae81-8cc136f38e6a [observed]

 Occultation Date + Time   : 2017-03-20 at 02:13:34 UT +/- 0.0 min  [1]
 Object Designation        : (193) Ambrosia
 Orbit Class               : MBA
 Star Designation          : GDR3 3454446697298526720
 Star Coordinates (ICRF)   : RA = 05 53 49.1473, DE = +34 10 21.329  [2]
 Star Magnitudes           : G = 12.35 mag, RP = 11.26 mag, BP = 13.62 mag
 Object Magnitude          : V = 13.81 mag
 Estimated Magnitude Drop  : 1.7 mag
 Estimated Max. Duration   : 1.6 sec
 Object Mean Diameter      : 37 km  (src: astorb)
 Speed of the shadow       : 23.0 km/s
 Elongation to Moon & Sun  : 163° (sunlit = 56%), Sun = 89°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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

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