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Stellar Occultation by (132715) 2002 OR18 on 2023-08-04 (23:44:06 UT)

Stellar Occultation by (132715) 2002 OR18 on 2023-08-04 (23:44:06 UT)https://astro.kretlow.de/cora/occultations/d9bb64dd-5272-4fd8-a9e3-5247d65bfa88

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] : d9bb64dd-5272-4fd8-a9e3-5247d65bfa88 [observed]

 Occultation Date + Time   : 2023-08-04 at 23:44:06 UT +/- 0.1 min  [1]
 Object Designation        : (132715) 2002 OR18
 Star Designation          : GDR3 4094684591518356864
 Star Coordinates (ICRF)   : RA = 18 15 05.1200, DE = -19 15 01.173  [2]
 Star Magnitudes           : G = 16.88 mag, RP = 18.61 mag, BP = 17.2 mag
 Object Magnitude          : V = 19.87 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 4.0 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 7.7 km/s
 Elongation to Moon & Sun  : 84° (sunlit = 85%), Sun = 141°
 Cross-track uncertainty   : 7.2 mas = 12 km = 3.20 path-width (1-sig)
 RUWE and duplicate source : 1.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40

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


More Data and Informations
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(If error 404: link not valid which means no data available)


Interactive map
Occ by (132715) 2002 OR18 on 2023-08-04
Star = 16.88 G, Drop = 3.06 mag, Dur = 0.52 sec
RA = 18 15 05.1200, DE = -19 15 01.173 (t0)
+−
↦km
Unavailable
2000 km
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Aladin Sky Atlas
18 15 5.120 -19 15 1.17
FoV: 29.96'
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