Cora»OccDetail

Stellar Occultation by (5657) Groombridge on 2023-06-13 (00:10:14 UT)

Event Details
Occultation UUID [and db] : aadd7510-ddb3-11f0-547e-3018a7ff0e38 [observed] Occultation Date + Time : 2023-06-13 at 00:10:14 UT +/- 0.0 min [1] Object Designation : (5657) Groombridge Star Designation : GDR3 4265072232055462016 Star Coordinates (ICRF) : RA = 18 58 08.7689, DE = -01 30 07.900 [2] Star Magnitudes : G = 14.07 mag, RP = 13.28 mag, BP = 14.73 mag Object Magnitude : V = 16.97 mag Estimated Magnitude Drop : 3.0 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 8.4 km/s Object Mean Diameter : 8.0 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.4233 arcs/min @ PA = 279 deg Horizontal Parallax : 5.3740 arcs Dynamical Class : MBA Elongation to Moon & Sun : 94° (sunlit = 27%), Sun = 149° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#68 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : aadd7510-ddb3-11f0-547e-3018a7ff0e38 [observed] Occultation Date + Time : 2023-06-13 at 00:10:14 UT +/- 0.0 min [1] Object Designation : (5657) Groombridge Star Designation : GDR3 4265072232055462016 Star Coordinates (ICRF) : RA = 18 58 08.7689, DE = -01 30 07.900 [2] Star Magnitudes : G = 14.07 mag, RP = 13.28 mag, BP = 14.73 mag Object Magnitude : V = 16.97 mag Estimated Magnitude Drop : 3.0 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 8.4 km/s Object Mean Diameter : 8.0 km (src: astorb) => apparent = 7 mas Apparent Motion : 0.4233 arcs/min @ PA = 279 deg Horizontal Parallax : 5.3740 arcs Dynamical Class : MBA Elongation to Moon & Sun : 94° (sunlit = 27%), Sun = 149° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#68 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.