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Stellar Occultation by (166397) 2002 NG21 on 2024-10-28 (20:56:45 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 9c0d2420-c358-11ef-5276-fa6efb79e357 [observed]

 Occultation Date + Time   : 2024-10-28 at 20:56:45 UT +/- 0.26 min  [1]
 Object Designation        : (166397) 2002 NG21
 Star Designation          : GDR3 2398067708089622144
 Star Coordinates (ICRF)   : RA = 22 53 34.3156, DE = -20 12 35.939  [2]
 Star Magnitudes           : G = 11.87 mag, RP = 11.38 mag, BP = 12.2 mag
 Object Magnitude          : V = 20.54 mag
 Estimated Magnitude Drop  : 8.7 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 2.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 3.2 km/s
 Elongation to Moon & Sun  : 158° (sunlit = 12%), Sun = 120°
 Cross-track uncertainty   : 17.0 mas = 24 km = 11.44 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#29

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


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