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2022-11-22 / 4UC 537-048157 / (551) Ortrud

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Antoni Selva O+ VID M500 ES GPS++ 23:44:55 23:46:53.79 23:47:06.2 23:48:54 0.16 0.2 12.41 100.5
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#63 (23-01-08) : 21fb66af-5019-4daa-92e3-54788f7a5cd2 [db: observed]

Using prediction 21fb66af-5019-4daa-92e3-54788f7a5cd2 for map and profile fit


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 21fb66af-5019-4daa-92e3-54788f7a5cd2 [observed]

 Occultation Date + Time   : 2022-11-22 at 23:58:03 UT +/- 0.07 min  [1]
 Object Designation        : (551) Ortrud
 Star Designation          : GDR3 0611212947603077632
 Star Coordinates (ICRF)   : RA = 09 02 15.4044, DE = +17 21 50.578  [2]
 Star Magnitudes           : G = 14.01 mag, RP = 13.58 mag, BP = 14.29 mag
 Object Magnitude          : V = 14.59 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 9.7 sec
 Object Mean Diameter      : 79 km  (src: astorb+H10)
 Speed of the shadow       : 8.1 km/s
 Elongation to Moon & Sun  : 95° (sunlit = 1%), Sun = 108°
 Cross-track uncertainty   : 6.0 mas = 9 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63 (23-01-08)

 Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations
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