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2023-07-08 / UCAC4 403-079824 / (2187) La Silla

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Peter Delincak O- VID M400 SK NTP 21:42:17 21:46:26
2 show Daniel Blazewicz O- VID M350 PL GPS 21:42:50 21:45:27
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#60 : ae228450-c337-11ef-5276-e2d9fbffc83a [db: observed]
JPL#60 : ae22ab60-c337-11ef-5276-774036ff90dd [db: observed]

Using prediction ae228450-c337-11ef-5276-e2d9fbffc83a for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Occ by (2187) La Silla on 2023-07-08

Unavailable
100 km

Event Details
 Occultation UUID [and DB] : ae228450-c337-11ef-5276-e2d9fbffc83a [observed]

 Occultation Date + Time   : 2023-07-08 at 21:39:32 UT +/- 0.0 min  [1]
 Object Designation        : (2187) La Silla
 Orbit Class               : MBA
 Star Designation          : GDR3 4157633762547582208
 Star Coordinates (ICRF)   : RA = 18 19 40.7902, DE = -09 28 02.630  [2]
 Star Magnitudes           : G = 14.67 mag, RP = 13.91 mag, BP = 15.28 mag
 Object Magnitude          : V = 16.89 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 6.3 km  (src: astorb)
 Speed of the shadow       : 10.7 km/s
 Elongation to Moon & Sun  : 87° (sunlit = 63%), Sun = 162°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.14 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60

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

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