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Stellar Occultation by (903) Nealley on 2025-02-20 (19:01:42 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] : 4feca960-866a-11ef-78cd-3941bfbb9ea0 [asteroids]

 Occultation Date + Time   : 2025-02-20 at 19:01:42 UT +/- 0.0 min  [1]
 Object Designation        : (903) Nealley
 Star Designation          : GDR3 3301429283266171904
 Star Coordinates (ICRF)   : RA = 03 54 07.2659, DE = +07 59 15.158  [2]
 Star Magnitudes           : G = 11.11 mag, RP = 10.72 mag, BP = 11.32 mag
 Object Magnitude          : V = 15.96 mag
 Estimated Magnitude Drop  : 4.9 mag
 Estimated Max. Duration   : 3.3 sec
 Object Mean Diameter      : 63.4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 19.0 km/s
 Elongation to Moon & Sun  : 162° (sunlit = 50%), Sun = 86°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.37 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#78

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


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