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Stellar Occultation by (7920) 1981 XM2 on 2023-12-16 (20:35:40 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] : abc2b599-8db3-4ac7-b412-e270b1972a26 [observed]

 Occultation Date + Time   : 2023-12-16 at 20:35:40 UT +/- 0.04 min  [1]
 Object Designation        : (7920) 1981 XM2
 Star Designation          : GDR3 3358517434511869568
 Star Coordinates (ICRF)   : RA = 06 49 04.0336, DE = +17 42 06.804  [2]
 Star Magnitudes           : G = 12.45 mag, RP = 11.78 mag, BP = 12.96 mag
 Object Magnitude          : V = 16.49 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 7.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.0 km/s
 Elongation to Moon & Sun  : 144° (sunlit = 19%), Sun = 162°
 Cross-track uncertainty   : 5.7 mas = 5 km = 0.80 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#49

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


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