Stellar Occultation by (50000) Quaoar on 2024-07-04 (22:57:20 UT)
| Event Details |
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Occultation UUID [and db] : f5bbeda3-a713-4f7a-9504-c89f149b6d15 [cetnos]
Occultation Date + Time : 2024-07-04 at 22:57:20 UT +/- 0.11 min [1]
Object Designation : (50000) Quaoar
Star Designation : GDR3 4103264802318239360
Star Coordinates (ICRF) : RA = 18 35 10.7006, DE = -14 59 34.937 [2]
Star Magnitudes : G = 17.19 mag, RP = 16.16 mag, BP = 17.73 mag
Object Magnitude : V = 18.73 mag
Estimated Magnitude Drop : 1.8 mag
Estimated Max. Duration : 45.7 sec
Speed of the shadow : 24.6 km/s
Object Mean Diameter : 1125.8 km (src: CORA+astorb) => apparent = 37 mas
Apparent Motion : 0.0483 arcs/min @ PA = 266 deg
Horizontal Parallax : 0.2110 arcs
Dynamical Class : TNO
Elongation to Moon & Sun : 165° (sunlit = 1%), Sun = 170°
Cross-track uncertainty : 3.8 mas = 114 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#45
Object is a <TNOs are Cool> target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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| Occultation Ground Track |
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Time[UT] | Lat----CENTR----Lon | Alt Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon
hh:mm:ss | +DD.dddd +DDD.dddd | deg deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd
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22:56:06 +53.2151 +032.8200 +19 202 -13 +42.0960 +029.0894 +76.0968 +050.7502
22:56:56 +49.4673 +013.4464 +26 182 -18 +39.5757 +013.5806 +66.5792 +013.9568
22:57:46 +48.1200 -003.5322 +26 165 -17 +38.4383 -000.8768 +64.3543 -012.6313
22:58:37 +48.9460 -022.4464 +20 146 -10 +38.6070 -016.1431 +62.4203 -032.2193
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |
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