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Stellar Occultation by (407) Arachne on 2023-09-21 (22:23:55 UT)

Stellar Occultation by (407) Arachne on 2023-09-21 (22:23:55 UT)https://astro.kretlow.de/cora/occultations/81259359-9bf9-4e59-9f40-0d6e671e2c50

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] : 81259359-9bf9-4e59-9f40-0d6e671e2c50 [observed]

 Occultation Date + Time   : 2023-09-21 at 22:23:55 UT +/- 0.01 min  [1]
 Object Designation        : (407) Arachne
 Star Designation          : GDR3 3444459150286038400
 Star Coordinates (ICRF)   : RA = 05 41 49.8494, DE = +30 00 43.539  [2]
 Star Magnitudes           : G = 15.07 mag, RP = 13.97 mag, BP = 16.32 mag
 Object Magnitude          : V = 14.07 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 6.1 sec
 Object Mean Diameter      : 95.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 15.5 km/s
 Elongation to Moon & Sun  : 171° (sunlit = 41%), Sun = 93°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67

 
 [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 (407) Arachne on 2023-09-21
Star = 15.07 G, Drop = 0.37 mag, Dur = 6.13 sec
RA = 05 41 49.8494, DE = +30 00 43.539 (t0)
+−
↦km
Unavailable
100 km
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