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Stellar Occultation by (21900) Orus on 2019-09-07 (21:55:14 UT)



Event Details
 Occultation UUID [and db] : d9428d61-a058-49c3-addf-08ddaf2328d4 [observed]

 Occultation Date + Time   : 2019-09-07 at 21:55:14 UT +/- 0.01 min  [1]
 Object Designation        : (21900) Orus
 Star Designation          : GDR3 6910956628167056128
 Star Coordinates (ICRF)   : RA = 21 15 24.7684, DE = -06 04 11.447  [2]
 Star Magnitudes           : G = 11.67 mag, RP = 11.21 mag, BP = 11.97 mag
 Object Magnitude          : V = 17.22 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 2.4 sec
 Object Mean Diameter      : 33 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 13.7 km/s
 Elongation to Moon & Sun  : 44° (sunlit = 68%), Sun = 153°
 Cross-track uncertainty   : 1.7 mas = 5 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37

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


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