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Stellar Occultation by (7215) Gerhard on 2023-04-17 (22:50:38 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] : 8cc6f920-ddb3-11f0-547e-f86cdf724fbd [observed]

 Occultation Date + Time   : 2023-04-17 at 22:50:38 UT +/- 0.0 min  [1]
 Object Designation        : (7215) Gerhard
 Star Designation          : GDR3 3544642835878125440
 Star Coordinates (ICRF)   : RA = 11 23 27.0460, DE = -20 55 49.719  [2]
 Star Magnitudes           : G = 13.52 mag, RP = 13.1 mag, BP = 13.79 mag
 Object Magnitude          : V = 17.12 mag
 Estimated Magnitude Drop  : 3.6 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 10.9 km/s
 Object Mean Diameter      : 13.2 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.3833 arcs/min @ PA = 298 deg
 Horizontal Parallax       : 3.7330 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 154° (sunlit = 6%), Sun = 145°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.35 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#73
 Note                      : FP:true

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


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