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Stellar Occultation by (536) Merapi on 2025-03-01 (19:36:57 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] : 2f44e030-85e6-11ef-78cd-e1c6f7fe98fa [asteroids]

 Occultation Date + Time   : 2025-03-01 at 19:36:57 UT +/- 0.0 min  [1]
 Object Designation        : (536) Merapi
 Star Designation          : GDR3 0033587335745159168
 Star Coordinates (ICRF)   : RA = 02 44 11.6118, DE = +15 43 36.123  [2]
 Star Magnitudes           : G = 14.15 mag, RP = 13.52 mag, BP = 14.6 mag
 Object Magnitude          : V = 14.43 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 5.1 sec
 Object Mean Diameter      : 151.4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 29.6 km/s
 Elongation to Moon & Sun  : 37° (sunlit = 5%), Sun = 62°
 Cross-track uncertainty   : 1.8 mas = 4 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 3.44 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#132

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


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