Stellar Occultation by (167) Urda on 2025-09-17 (20:20:08 UT)
| Event Details |
Occultation UUID [and db] : 71525460-ddb7-11f0-547e-54d1febe8528 [observed]
Occultation Date + Time : 2025-09-17 at 20:20:08 UT +/- 0.01 min [1]
Object Designation : (167) Urda
Star Designation : GDR3 4091662957459845376
Star Coordinates (ICRF) : RA = 18 36 30.7661, DE = -21 15 58.950 [2]
Star Magnitudes : G = 14.7 mag, RP = 13.79 mag, BP = 15.56 mag
Object Magnitude : V = 14.43 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 3.8 sec
Speed of the shadow : 10.6 km/s
Object Mean Diameter : 39.9 km (src: astorb) => apparent = 24 mas
Apparent Motion : 0.3767 arcs/min @ PA = 93 deg
Horizontal Parallax : 3.7710 arcs
Dynamical Class : MBA
Elongation to Moon & Sun : 150° (sunlit = 16%), Sun = 103°
Cross-track uncertainty : 0.4 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL76
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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20:15:59 +59.4991 -068.0572 +01 137 +18 -- -- +56.6911 -063.6785
20:16:02 +57.3936 -063.9435 +04 141 +17 -- -- +55.7942 -061.8334
20:16:05 +56.3833 -061.8965 +05 143 +16 +58.2257 -064.4205 +55.0883 -060.3480
20:16:08 +55.6228 -060.3167 +06 144 +15 +57.0308 -062.0429 +54.4925 -059.0683
20:16:11 +54.9935 -058.9804 +07 145 +15 +56.1961 -060.3346 +53.9708 -057.9262
20:16:14 +54.4487 -057.7999 +08 146 +14 +55.5243 -058.9265 +53.5034 -056.8840
20:16:17 +53.9642 -056.7297 +09 147 +14 +54.9512 -057.6991 +53.0781 -055.9186
20:16:20 +53.5256 -055.7429 +10 148 +13 +54.4462 -056.5955 +52.6866 -055.0147
20:16:23 +53.1234 -054.8219 +10 149 +13 +53.9920 -055.5835 +52.3232 -054.1611
20:16:26 +52.7513 -053.9543 +11 149 +13 +53.5774 -054.6426 +51.9834 -053.3499
20:16:29 +52.4042 -053.1314 +11 150 +12 +53.1952 -053.7591 +51.6641 -052.5748
20:16:32 +52.0787 -052.3464 +12 151 +12 +52.8397 -052.9228 +51.3626 -051.8310
20:16:35 +51.7719 -051.5940 +12 152 +11 +52.5071 -052.1265 +51.0768 -051.1146
20:16:38 +51.4815 -050.8701 +13 152 +11 +52.1943 -051.3644 +50.8052 -050.4226
20:16:41 +51.2059 -050.1714 +13 153 +11 +51.8987 -050.6321 +50.5462 -049.7521
20:16:44 +50.9434 -049.4950 +14 153 +10 +51.6185 -049.9259 +50.2987 -049.1012
20:16:47 +50.6928 -048.8387 +14 154 +10 +51.3520 -049.2428 +50.0618 -048.4679
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20:16:59 +49.7906 -046.3788 +16 156 +08 +50.3995 -046.6988 +49.2034 -046.0817
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20:17:20 +48.5013 -042.5335 +18 160 +06 +49.0529 -042.7575 +47.9654 -042.3230
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20:17:26 +48.1847 -041.5127 +18 161 +05 +48.7242 -041.7163 +47.6597 -041.3209
20:17:29 +48.0336 -041.0126 +19 161 +05 +48.5676 -041.2069 +47.5136 -040.8295
20:17:32 +47.8870 -040.5189 +19 162 +05 +48.4158 -040.7043 +47.3718 -040.3440
20:17:35 +47.7448 -040.0313 +19 162 +04 +48.2686 -040.2082 +47.2341 -039.8642
20:17:38 +47.6067 -039.5493 +19 163 +04 +48.1259 -039.7182 +47.1002 -039.3897
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20:18:02 +46.6346 -035.8659 +21 166 +01 +47.1240 -035.9815 +46.1557 -035.7561
20:18:05 +46.5279 -035.4236 +21 167 +01 +47.0143 -035.5336 +46.0517 -035.3191
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20:19:20 +44.6722 -025.1434 +24 177 -07 +45.1154 -025.1524 +44.2365 -025.1351
20:19:23 +44.6256 -024.7519 +24 178 -07 +45.0680 -024.7577 +44.1908 -024.7466
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20:20:11 +44.1278 -018.5605 +25 184 -11 +44.5629 -018.5182 +43.6998 -018.6014
20:20:14 +44.1117 -018.1751 +25 184 -12 +44.5468 -018.1300 +43.6838 -018.2189
20:20:17 +44.0974 -017.7897 +25 185 -12 +44.5324 -017.7415 +43.6695 -017.8363
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20:20:23 +44.0740 -017.0181 +24 186 -13 +44.5091 -016.9640 +43.6460 -017.0704
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20:20:53 +44.0630 -013.1330 +24 190 -15 +44.5010 -013.0481 +43.6323 -013.2149
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20:24:11 +52.5578 +023.9979 +05 224 -30 +54.1427 +026.4458 +51.3987 +022.4047
20:24:14 +53.3856 +025.9399 +04 225 -30 -- -- +51.9851 +023.8490
20:24:17 +54.8411 +029.1941 +02 228 -30 -- -- +52.7257 +025.6143
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |