Stellar Occultation by (55760) 1992 BL1 on 2023-08-21 (22:34:52 UT)
Event Details
Occultation UUID [and db] : 9a7e4f09-ab92-4e81-9e44-41c5c22fc8b4 [observed]
Occultation Date + Time : 2023-08-21 at 22:34:52 UT +/- 0.04 min [1]
Object Designation : (55760) 1992 BL1
Star Designation : GDR3 4107103055654358144
Star Coordinates (ICRF) : RA = 18 40 25.2863, DE = -10 40 16.890 [2]
Star Magnitudes : G = 15.93 mag, RP = 15.07 mag, BP = 16.69 mag
Object Magnitude : V = 17.8 mag
Estimated Magnitude Drop : 2.1 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 7.3 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 11.3 km/s
Elongation to Moon & Sun : 71° (sunlit = 26%), Sun = 130°
Cross-track uncertainty : 2.3 mas = 3 km = 0.44 path-width (1-sig)
RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0