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2023-07-08 / TYC 6293-02223-1 / (78402) 2002 QW8

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Konrad Guhl O- CCD M306 DE GPS 23:40:59 23:41:38
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#38 : cad11570-ddb3-11f0-547e-c3ca4bae2831 [db: observed]

Using prediction cad11570-ddb3-11f0-547e-c3ca4bae2831 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : cad11570-ddb3-11f0-547e-c3ca4bae2831 [observed]

 Occultation Date + Time   : 2023-07-08 at 23:44:13 UT +/- 0.1 min  [1]
 Object Designation        : (78402) 2002 QW8
 Orbit Class               : MBA
 Star Designation          : GDR3 4079063039568601984
 Star Coordinates (ICRF)   : RA = 18 52 06.9693, DE = -21 10 26.864  [2]
 Star Magnitudes           : G = 11.3 mag, RP = 10.98 mag, BP = 11.48 mag
 Object Magnitude          : V = 18.64 mag
 Estimated Magnitude Drop  : 7.4 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 3.4 km  (src: astorb)
 Speed of the shadow       : 10.8 km/s
 Elongation to Moon & Sun  : 80° (sunlit = 62%), Sun = 175°
 Cross-track uncertainty   : 28.3 mas = 36 km = 10.63 path-width (1-sig)
 RUWE and duplicate source : 0.72 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#38
 Note                      : FP:true

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

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