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Stellar Occultation by (23409) Derzhavin on 2024-12-31 (20:27:56 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] : ddb856b0-ddb5-11f0-547e-c831f2f10081 [observed]

 Occultation Date + Time   : 2024-12-31 at 20:27:56 UT +/- 0.01 min  [1]
 Object Designation        : (23409) Derzhavin
 Star Designation          : GDR3 3296320677364313088
 Star Coordinates (ICRF)   : RA = 04 55 42.9752, DE = +13 22 11.122  [2]
 Star Magnitudes           : G = 12.17 mag, RP = 11.08 mag, BP = 13.41 mag
 Object Magnitude          : V = 17.21 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 4.9 km/s
 Object Mean Diameter      : 3.7 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3783 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 8.2640 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 140° (sunlit = 1%), Sun = 152°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54
 Note                      : FP:true

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


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