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Stellar Occultation by (11177) 1998 FH77 on 2023-03-28 (19:35:48 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] : 7f1ae980-ddb3-11f0-547e-c8bccff5512c [observed]

 Occultation Date + Time   : 2023-03-28 at 19:35:48 UT +/- 0.0 min  [1]
 Object Designation        : (11177) 1998 FH77
 Star Designation          : GDR3 3304787535374790784
 Star Coordinates (ICRF)   : RA = 04 04 05.9805, DE = +12 23 52.060  [2]
 Star Magnitudes           : G = 11.09 mag, RP = 10.19 mag, BP = 11.93 mag
 Object Magnitude          : V = 18.84 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 34.4 km/s
 Object Mean Diameter      : 8.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.8317 arcs/min @ PA = 71 deg
 Horizontal Parallax       : 2.5690 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 35° (sunlit = 47%), Sun = 54°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 2.59 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63
 Note                      : FP:true

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


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