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2017-04-09 / 4UC 546-012295 / (79) Eurynome

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Peter Enskonatus O+ CCD M200 DE GPS 20:28:00 20:29:11.6 20:29:13.4 20:30:00 0.2 0.2 1.80 66.6
2 show Wolfgang Rothe O+ VID M200 DE GPS++ 20:29:02 20:29:13.38 20:29:14.98 20:30:03 0.32 0.64 1.60 59.2
3 show Jiri Polak O- VID M303 CZ 20:27:19 20:31:20
4 show Michal Rottenborn O- VID M303 CZ 20:27:19 20:31:19
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

4 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#136 : 745bde21-e638-4891-b7d7-d4069ac0a001 [db: observed]

Using prediction 745bde21-e638-4891-b7d7-d4069ac0a001 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

 Auto-Fit Result:
Circular profile fit was not successful ...








You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

Check SiMDA for size and mass data.

Check Johnston Archive for satellites.

Sky projection (artificial light) for occ. time: 2017-04-09, 20:29 UT (JD = 2457853.353)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 496None5.978 54°, 24° 2.442337e615516.40.0° NoneNone not scaled 2013-02-11
# 497None5.978 228°, 30° 2.442337e615516.40.0° 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] : 745bde21-e638-4891-b7d7-d4069ac0a001 [observed]

 Occultation Date + Time   : 2017-04-09 at 20:27:15 UT +/- 0.0 min  [1]
 Object Designation        : (79) Eurynome
 Orbit Class               : MBA
 Star Designation          : GDR3 3407495317409552512
 Star Coordinates (ICRF)   : RA = 05 02 48.9716, DE = +19 01 12.798  [2]
 Star Magnitudes           : G = 12.09 mag, RP = 11.55 mag, BP = 12.42 mag
 Object Magnitude          : V = 12.35 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 1.8 sec
 Object Mean Diameter      : 67 km  (src: astorb)
 Speed of the shadow       : 37.0 km/s
 Elongation to Moon & Sun  : 108° (sunlit = 98%), Sun = 56°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#136

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

More Data and Informations
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