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Stellar Occultation by (1112) Polonia on 2025-02-12 (21:06:57 UT)

Stellar Occultation by (1112) Polonia on 2025-02-12 (21:06:57 UT)https://astro.kretlow.de/cora/occultations/2b6b1040-86c9-11ef-78cd-509fee734ddf

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] : 2b6b1040-86c9-11ef-78cd-509fee734ddf [asteroids]

 Occultation Date + Time   : 2025-02-12 at 21:06:57 UT +/- 0.01 min  [1]
 Object Designation        : (1112) Polonia
 Star Designation          : GDR3 0865396984857488512
 Star Coordinates (ICRF)   : RA = 07 38 27.1973, DE = +21 31 33.323  [2]
 Star Magnitudes           : G = 14.1 mag, RP = 13.61 mag, BP = 14.43 mag
 Object Magnitude          : V = 14.76 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 3.8 sec
 Object Mean Diameter      : 35.8 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.4 km/s
 Elongation to Moon & Sun  : 35° (sunlit = 100%), Sun = 148°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#76

 
 [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
(If error 404: link not valid which means no data available)


Interactive map
Occ by (1112) Polonia on 2025-02-12
Star = 14.1 G, Drop = 1.13 mag, Dur = 3.83 sec
RA = 07 38 27.1973, DE = +21 31 33.323 (t0)
Unavailable
100 km



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