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Stellar Occultation by (980) Anacostia on 2025-09-25 (20:04:12 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] : 722c4430-ddb8-11f0-547e-8ffebedf6db7 [observed]

 Occultation Date + Time   : 2025-09-25 at 20:04:12 UT +/- 0.01 min  [1]
 Object Designation        : (980) Anacostia
 Star Designation          : GDR3 4093626105502232448
 Star Coordinates (ICRF)   : RA = 18 31 02.6061, DE = -17 44 55.669  [2]
 Star Magnitudes           : G = 13.69 mag, RP = 12.7 mag, BP = 14.73 mag
 Object Magnitude          : V = 12.57 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 5.8 sec
 Speed of the shadow       : 15.0 km/s
 Object Mean Diameter      : 86.2 km  (src: astorb) => apparent = 58 mas
 Apparent Motion           : 0.6100 arcs/min @ PA = 74 deg
 Horizontal Parallax       : 4.3260 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 51° (sunlit = 14%), Sun = 94°
 Cross-track uncertainty   : 2.7 mas = 3 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL72
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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