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2003-09-23 / TYC 6844-03116-1 / (27) Euterpe

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jean Lecacheux O+ VIS M252 FR PHONE 20:20:00 20:24:49.77 20:24:59.28 20:28:54 0.12 0.09 9.51 126.5
2 show Eric Barbotin O- CCD M225 FR 20:19:30 20:25:50
3 show Patrick Degrelle O? VIS M153 FR RAD++ 20:17:19 20:24:35.8 20:24:41.3 20:27:05 0.06 0.06 5.50 73.2
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

3 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#130 : 1d52d8ad-04b7-4aca-aee1-e0cebb0e6602 [db: observed]

Using prediction 1d52d8ad-04b7-4aca-aee1-e0cebb0e6602 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2003-09-23, 20:23 UT (JD = 2452906.349)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 441None10.408 258°, -42° 2.437662e615244.30.0° this model (not the mirror solution) is consistent with the occultation from 1993/10/092011-10-27 not scaled 2011-10-27
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] : 1d52d8ad-04b7-4aca-aee1-e0cebb0e6602 [observed]

 Occultation Date + Time   : 2003-09-23 at 20:21:43 UT +/- 0.01 min  [1]
 Object Designation        : (27) Euterpe
 Orbit Class               : MBA
 Star Designation          : GDR3 4065530177411696000
 Star Coordinates (ICRF)   : RA = 18 19 29.3413, DE = -24 00 21.249  [2]
 Star Magnitudes           : G = 8.8 mag, RP = 7.71 mag, BP = 10.03 mag
 Object Magnitude          : V = 12.23 mag
 Estimated Magnitude Drop  : 3.5 mag
 Estimated Max. Duration   : 9.9 sec
 Object Mean Diameter      : 131 km  (src: astorb)
 Speed of the shadow       : 13.3 km/s
 Elongation to Moon & Sun  : 124° (sunlit = 7%), Sun = 94°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.75 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#130

 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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