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2022-12-29 / 4UC 578-019780 / (121642) 1999 VJ227

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Simon Kidd O+ CCD M350 UK GPS++ 23:23:00 23:24:06.67 23:24:07.15 23:25:00 0.03 0.03 0.48 7.2
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#23 (23-01-08) : efb73677-a254-487f-a305-46b7f59fd684 [db: observed]

Using prediction efb73677-a254-487f-a305-46b7f59fd684 for map and profile fit


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : efb73677-a254-487f-a305-46b7f59fd684 [observed]

 Occultation Date + Time   : 2022-12-29 at 23:25:56 UT +/- 0.11 min  [1]
 Object Designation        : (121642) 1999 VJ227
 Star Designation          : GDR3 3428995756194131072
 Star Coordinates (ICRF)   : RA = 05 49 36.6367, DE = +25 28 28.913  [2]
 Star Magnitudes           : G = 13.36 mag, RP = 12.5 mag, BP = 14.13 mag
 Object Magnitude          : V = 18.14 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 5 km  (src: astorb+H10)
 Speed of the shadow       : 15.1 km/s
 Elongation to Moon & Sun  : 81° (sunlit = 49%), Sun = 169°
 Cross-track uncertainty   : 41.7 mas = 53 km = 11.63 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

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

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

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