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2025-01-01 / UCAC4 540-027107 / (420) Bertholda

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O+ CCD M280 ES NTP 20:11:51 20:13:43.329 20:13:54.630 20:15:51 0.799 0.799 11.30 157.1
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#137 : 9af9b0f0-c35b-11ef-5276-e2a4ee9c4889 [db: observed]
JPL#135 : af1d1260-85a9-11ef-78cd-4c7f7b6a57e0 [db: asteroids]
JPL#135 : 33695e70-8276-11ef-6618-8e025fdd4373 [db: asteroids]

Using prediction 9af9b0f0-c35b-11ef-5276-e2a4ee9c4889 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 9af9b0f0-c35b-11ef-5276-e2a4ee9c4889 [observed]

 Occultation Date + Time   : 2025-01-01 at 20:09:02 UT +/- 0.01 min  [1]
 Object Designation        : (420) Bertholda
 Orbit Class               : MBA
 Star Designation          : GDR3 3370526476607592192
 Star Coordinates (ICRF)   : RA = 06 25 39.0158, DE = +17 48 07.109  [2]
 Star Magnitudes           : G = 13.81 mag, RP = 13.25 mag, BP = 14.19 mag
 Object Magnitude          : V = 13.1 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 10.2 sec
 Object Mean Diameter      : 141 km  (src: astorb)
 Speed of the shadow       : 13.9 km/s
 Elongation to Moon & Sun  : 149° (sunlit = 4%), Sun = 172°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.18 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#137

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

More Data and Informations
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