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2025-03-04 / UCAC4 485-050222 / (854) Frostia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carsten Ziolek O- VID M356 CH GPS 22:51:32 22:52:32
2 show Stefan Meister O- VID M500 CH GPS 22:53:11 22:54:11
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#102 : 194409d0-865b-11ef-78cd-5f98fde687f1 [db: asteroids]

Using prediction 194409d0-865b-11ef-78cd-5f98fde687f1 for map and profile fit

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Map with groundtrack and observer stations

Occ by (854) Frostia on 2025-03-04

Unavailable
300 km

Event Details
 Occultation UUID [and DB] : 194409d0-865b-11ef-78cd-5f98fde687f1 [asteroids]

 Occultation Date + Time   : 2025-03-04 at 22:51:24 UT +/- 0.0 min  [1]
 Object Designation        : (854) Frostia
 Orbit Class               : MBA
 Star Designation          : GDR3 3853521696799976448
 Star Coordinates (ICRF)   : RA = 09 49 31.7130, DE = +06 53 56.328  [2]
 Star Magnitudes           : G = 13.89 mag, RP = 13.37 mag, BP = 14.25 mag
 Object Magnitude          : V = 15.54 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 13.3 km  (src: astorb)
 Speed of the shadow       : 11.7 km/s
 Elongation to Moon & Sun  : 96° (sunlit = 31%), Sun = 162°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#102

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

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