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Stellar Occultation by (3141) Buchar on 2021-08-25 (20:42:24 UT)



Event Details
 Occultation UUID [and db] : bf7332eb-eba1-48e5-a6fe-5bff14722b66 [observed]

 Occultation Date + Time   : 2021-08-25 at 20:42:24 UT +/- 0.02 min  [1]
 Object Designation        : (3141) Buchar
 Star Designation          : GDR3 6881816344511485824
 Star Coordinates (ICRF)   : RA = 20 57 11.6542, DE = -18 16 59.312  [2]
 Star Magnitudes           : G = 11.05 mag, RP = 10.2 mag, BP = 11.81 mag
 Object Magnitude          : V = 16.34 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 2.8 sec
 Object Mean Diameter      : 36 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.0 km/s
 Elongation to Moon & Sun  : 62° (sunlit = 88%), Sun = 159°
 Cross-track uncertainty   : 5.0 mas = 9 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.23 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#47

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


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