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Stellar Occultation by (2984) Chaucer on 2025-03-05 (01:38:42 UT)

Stellar Occultation by (2984) Chaucer on 2025-03-05 (01:38:42 UT)https://astro.kretlow.de/cora/occultations/6b634990-888d-11ef-78cd-893abf8ec3e1

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] : 6b634990-888d-11ef-78cd-893abf8ec3e1 [asteroids]

 Occultation Date + Time   : 2025-03-05 at 01:38:42 UT +/- 0.01 min  [1]
 Object Designation        : (2984) Chaucer
 Star Designation          : GDR3 0685467335809875200
 Star Coordinates (ICRF)   : RA = 09 01 18.4146, DE = +21 53 04.223  [2]
 Star Magnitudes           : G = 14.25 mag, RP = 13.81 mag, BP = 14.54 mag
 Object Magnitude          : V = 16.34 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 6.2 sec
 Object Mean Diameter      : 27.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 4.4 km/s
 Elongation to Moon & Sun  : 78° (sunlit = 32%), Sun = 146°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51

 
 [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 (2984) Chaucer on 2025-03-05
Star = 14.25 G, Drop = 2.24 mag, Dur = 6.2 sec
RA = 09 01 18.4146, DE = +21 53 04.223 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
09 01 18.415 +21 53 4.22
FoV: 29.96'
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