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2024-12-10 / UCAC4 549-006863 / (21573) 1998 RP70

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O- CCD M280 ES NTP 21:00:59 21:04:59
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#52 : b5094010-c35a-11ef-5276-3affd3ffce5f [db: observed]

Using prediction b5094010-c35a-11ef-5276-3affd3ffce5f for map and profile fit

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Event Details
 Occultation UUID [and DB] : b5094010-c35a-11ef-5276-3affd3ffce5f [observed]

 Occultation Date + Time   : 2024-12-10 at 21:00:58 UT +/- 0.01 min  [1]
 Object Designation        : (21573) 1998 RP70
 Orbit Class               : MBA
 Star Designation          : GDR3 0057673374903758464
 Star Coordinates (ICRF)   : RA = 03 30 40.6400, DE = +19 39 34.539  [2]
 Star Magnitudes           : G = 13.8 mag, RP = 13.19 mag, BP = 14.21 mag
 Object Magnitude          : V = 18.59 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 8.0 km  (src: astorb)
 Speed of the shadow       : 13.0 km/s
 Elongation to Moon & Sun  : 37° (sunlit = 75%), Sun = 156°
 Cross-track uncertainty   : 1.4 mas = 2 km = 0.34 path-width (1-sig)
 RUWE and duplicate source : 8.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52

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

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