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2021-12-08 / 4UC 522-003803 / (1162) Larissa

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Roland Boninsegna O+ VID M400 BE GPS++ 19:54:01 19:55:25.97 19:55:28.85 19:56:59 0.32 0.32 2.88 28.2
2 show O. Schreurs et al O- VID M406 BE 19:54:21 19:56:22
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#68 : dcd25604-9a91-4dd7-b6b2-2b20f3abaa29 [db: observed]

Using prediction dcd25604-9a91-4dd7-b6b2-2b20f3abaa29 for map and profile fit

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Event Details
 Occultation UUID [and DB] : dcd25604-9a91-4dd7-b6b2-2b20f3abaa29 [observed]

 Occultation Date + Time   : 2021-12-08 at 19:55:42 UT +/- 0.04 min  [1]
 Object Designation        : (1162) Larissa
 Orbit Class               : MBA
 Star Designation          : GDR3 0075568819997363968
 Star Coordinates (ICRF)   : RA = 02 20 25.4103, DE = +14 15 48.950  [2]
 Star Magnitudes           : G = 15.33 mag, RP = 14.46 mag, BP = 16.14 mag
 Object Magnitude          : V = 16.1 mag
 Estimated Magnitude Drop  : 1.2 mag
 Estimated Max. Duration   : 5.8 sec
 Object Mean Diameter      : 57 km  (src: astorb)
 Speed of the shadow       : 9.8 km/s
 Elongation to Moon & Sun  : 79° (sunlit = 27%), Sun = 141°
 Cross-track uncertainty   : 3.3 mas = 8 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#68

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

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