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2024-12-27 / HIP 54336 / (284471) 2007 HP21

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Zdenek Sikac O- VID T150 CZ NTP 05:04:00 05:08:01
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#32 : d0fdabf0-ddb5-11f0-547e-e2fcd7ce0d37 [db: observed]
JPL#32 : d0fdabf0-ddb5-11f0-547e-db27fffb75b4 [db: observed]

Using prediction d0fdabf0-ddb5-11f0-547e-db27fffb75b4 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : d0fdabf0-ddb5-11f0-547e-db27fffb75b4 [observed]

 Occultation Date + Time   : 2024-12-27 at 05:26:35 UT +/- 0.14 min  [1]
 Object Designation        : (284471) 2007 HP21
 Orbit Class               : MBA
 Star Designation          : GDR3 3811456512225482368
 Star Coordinates (ICRF)   : RA = 11 06 53.7493, DE = +01 57 16.888  [2]
 Star Magnitudes           : G = 9.5 mag, RP = 14.44 mag, BP = 15.35 mag
 Object Magnitude          : V = 21.77 mag
 Estimated Magnitude Drop  : 12.3 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 2.0 km  (src: astorb)
 Speed of the shadow       : 5.3 km/s
 Elongation to Moon & Sun  : 65° (sunlit = 14%), Sun = 109°
 Cross-track uncertainty   : 15.0 mas = 29 km = 14.81 path-width (1-sig)
 RUWE and duplicate source : 2.55 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#32
 Note                      : FP:true

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

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