Stellar Occultation by (18) Melpomene on 2026-04-09 (02:03:12 UT)
| Event Details |
Occultation UUID [and db] : 364eb450-33b9-11f1-6999-b7adf5bc7f2f [asteroids]
Occultation Date + Time : 2026-04-09 at 02:03:12 UT +/- 0.0 min [1]
Object Designation : (18) Melpomene
Star Designation : GDR3 4198729384010811904
Star Coordinates (ICRF) : RA = 19 05 06.7312, DE = -11 55 01.726 [2]
Star Magnitudes : G = 11.36 mag, RP = 10.75 mag, BP = 11.81 mag
Object Magnitude : V = 10.95 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 8.1 sec
Speed of the shadow : 17.3 km/s
Object Mean Diameter : 140.6 km (src: astorb) => apparent = 89 mas
Apparent Motion : 0.6617 arcs/min @ PA = 74 deg
Horizontal Parallax : 4.0590 arcs
Dynamical Class : MBA
Elongation to Moon & Sun : 18° (sunlit = 61%), Sun = 93°
Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#139
Note : FP:true
[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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02:01:13 +49.7890 -004.6259 +07 118 -29 +53.1554 -015.2215 +47.7494 +000.0845
02:01:22 +49.4701 +000.2227 +10 122 -27 +51.7590 -005.3953 +47.6809 +003.7673
02:01:31 +49.4064 +004.0054 +12 125 -26 +51.3583 -000.0536 +47.7413 +006.9492
02:01:40 +49.4819 +007.2500 +14 128 -24 +51.2811 +003.9266 +47.8906 +009.8128
02:01:49 +49.6521 +010.1599 +15 131 -23 +51.3639 +007.2862 +48.1083 +012.4545
02:01:58 +49.8947 +012.8397 +16 133 -22 +51.5522 +010.2758 +48.3821 +014.9329
02:02:07 +50.1970 +015.3518 +17 136 -20 +51.8199 +013.0170 +48.7045 +017.2869
02:02:16 +50.5510 +017.7374 +18 138 -19 +52.1526 +015.5804 +49.0704 +019.5441
02:02:25 +50.9517 +020.0256 +19 140 -17 +52.5419 +018.0114 +49.4765 +021.7253
02:02:33 +51.3958 +022.2383 +19 142 -16 +52.9826 +020.3419 +49.9207 +023.8468
02:02:42 +51.8817 +024.3926 +20 145 -15 +53.4716 +022.5956 +50.4017 +025.9220
02:02:51 +52.4082 +026.5026 +20 147 -13 +54.0073 +024.7910 +50.9189 +027.9621
02:03:00 +52.9754 +028.5805 +20 149 -12 +54.5895 +026.9436 +51.4725 +029.9772
02:03:09 +53.5838 +030.6369 +20 151 -10 +55.2187 +029.0665 +52.0630 +031.9762
02:03:18 +54.2350 +032.6819 +20 153 -09 +55.8966 +031.1717 +52.6916 +033.9679
02:03:27 +54.9309 +034.7254 +20 156 -08 +56.6260 +033.2707 +53.3600 +035.9607
02:03:36 +55.6747 +036.7772 +20 158 -06 +57.4106 +035.3750 +54.0705 +037.9634
02:03:45 +56.4701 +038.8480 +20 160 -05 +58.2557 +037.4966 +54.8265 +039.9851
02:03:54 +57.3226 +040.9493 +19 162 -03 +59.1686 +039.6490 +55.6317 +042.0361
02:04:03 +58.2390 +043.0947 +19 165 -02 +60.1588 +041.8478 +56.4915 +044.1281
02:04:12 +59.2284 +045.3008 +18 167 -01 +61.2397 +044.1126 +57.4126 +046.2750
02:04:21 +60.3033 +047.5882 +17 169 +01 +62.4303 +046.4687 +58.4039 +048.4940
02:04:30 +61.4811 +049.9850 +16 172 +02 +63.7587 +048.9517 +59.4773 +050.8075
02:04:39 +62.7872 +052.5306 +15 175 +04 +65.2696 +051.6158 +60.6493 +053.2454
02:04:48 +64.2611 +055.2856 +14 178 +05 +67.0422 +054.5527 +61.9437 +055.8508
02:04:56 +65.9701 +058.3521 +12 181 +07 +69.2426 +057.9487 +63.3972 +058.6894
02:05:05 +68.0479 +061.9335 +10 184 +08 +72.3816 +062.3504 +65.0710 +061.8726
02:05:14 +70.8511 +066.5757 +07 189 +10 +73.6871 +066.6127 +67.0830 +065.6181
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |
