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Stellar Occultation by (27733) 1990 RM7 on 2023-07-29 (21:42:13 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] : e29b7a10-ddb3-11f0-547e-a36db3bee540 [observed]

 Occultation Date + Time   : 2023-07-29 at 21:42:13 UT +/- 0.01 min  [1]
 Object Designation        : (27733) 1990 RM7
 Star Designation          : GDR3 6835100874290596480
 Star Coordinates (ICRF)   : RA = 21 27 29.4816, DE = -17 05 29.923  [2]
 Star Magnitudes           : G = 13.46 mag, RP = 12.94 mag, BP = 13.8 mag
 Object Magnitude          : V = 18.12 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.4 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4567 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 5.1680 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 52° (sunlit = 88%), Sun = 168°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.54 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#53
 Note                      : FP:true

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


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