Stellar Occultation by (334) Chicago on 2022-04-21 (03:48:23 UT)
Event Details
Occultation UUID [and db] : c00d7497-9f0b-4583-880a-af70c86ea996 [observed]
Occultation Date + Time : 2022-04-21 at 03:48:23 UT +/- 0.02 min [1]
Object Designation : (334) Chicago
Star Designation : GDR3 6883310198560290560
Star Coordinates (ICRF) : RA = 21 00 49.3807, DE = -15 59 25.170 [2]
Star Magnitudes : G = 12.49 mag, RP = 11.78 mag, BP = 13.06 mag
Object Magnitude : V = 14.38 mag
Estimated Magnitude Drop : 2.1 mag
Estimated Max. Duration : 7.2 sec
Object Mean Diameter : 156 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 21.7 km/s
Elongation to Moon & Sun : 43° (sunlit = 76%), Sun = 78°
Cross-track uncertainty : 1.7 mas = 4 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#183
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0