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Stellar Occultation by (27020) 1998 OQ10 on 2023-07-09 (20:24:04 UT)

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] : daade7c0-ddb3-11f0-547e-4d38bbf7b19a [observed]

 Occultation Date + Time   : 2023-07-09 at 20:24:04 UT +/- 0.0 min  [1]
 Object Designation        : (27020) 1998 OQ10
 Star Designation          : GDR3 4067844649385927040
 Star Coordinates (ICRF)   : RA = 17 54 39.7071, DE = -23 48 30.506  [2]
 Star Magnitudes           : G = 11.77 mag, RP = 10.29 mag, BP = 14.93 mag
 Object Magnitude          : V = 17.34 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.7 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5433 arcs/min @ PA = 272 deg
 Horizontal Parallax       : 7.5510 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 106° (sunlit = 53%), Sun = 161°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 0.74 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL55
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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