Stellar Occultation by (160) Una on 2026-09-15 (18:57:01 UT)
Event Details
Occultation UUID [and db] : 04ab25c0-d9b1-11f1-43f3-31e1cbe55503 [observed]
Occultation Date + Time : 2026-09-15 at 18:57:01 UT +/- 0.01 min [1]
Object Designation : (160) Una
Star Designation : GDR3 4063501273595217536
Star Coordinates (ICRF) : RA = 17 53 27.9741, DE = -27 36 24.320 [2]
Star Magnitudes : G = 13.99 mag, RP = 12.83 mag, BP = 15.45 mag
Object Magnitude : V = 14.41 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 6.1 sec
Speed of the shadow : 13.4 km/s
Object Mean Diameter : 81.2 km (src: astorb) => apparent = 44 mas
Apparent Motion : 0.4350 arcs/min @ PA = 82 deg
Horizontal Parallax : 3.4520 arcs
Dynamical Class : MBA
Elongation to Moon & Sun : 40° (sunlit = 22%), Sun = 96°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL75
Note : FP:true
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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18:53:49 +47.5057 -060.2269 +02 137 +31 -- -- +44.0995 -056.1374
18:53:51 +46.1307 -057.8796 +04 138 +31 -- -- +43.5390 -055.0221
18:53:54 +45.2884 -056.3417 +06 139 +30 -- -- +43.0578 -054.0270
18:53:56 +44.6402 -055.0974 +07 140 +30 +48.0142 -059.0648 +42.6336 -053.1180
18:53:58 +44.1021 -054.0190 +08 141 +29 +46.7226 -056.8616 +42.2530 -052.2746
18:54:01 +43.6377 -053.0509 +08 142 +29 +45.9062 -055.3710 +41.9074 -051.4831
18:54:03 +43.2270 -052.1630 +09 143 +28 +45.2735 -054.1550 +41.5905 -050.7341
18:54:05 +42.8578 -051.3367 +10 143 +28 +44.7469 -053.0967 +41.2978 -050.0208
18:54:08 +42.5221 -050.5595 +10 144 +28 +44.2917 -052.1442 +41.0259 -049.3378
18:54:10 +42.2141 -049.8227 +11 144 +27 +43.8891 -051.2688 +40.7721 -048.6811
18:54:13 +41.9294 -049.1199 +11 145 +27 +43.5271 -050.4530 +40.5344 -048.0474
18:54:15 +41.6649 -048.4462 +12 145 +26 +43.1979 -049.6848 +40.3109 -047.4340
18:54:17 +41.4180 -047.7977 +12 146 +26 +42.8959 -048.9559 +40.1002 -046.8388
18:54:20 +41.1868 -047.1714 +13 146 +26 +42.6169 -048.2601 +39.9013 -046.2599
18:54:22 +40.9695 -046.5646 +13 147 +25 +42.3579 -047.5925 +39.7129 -045.6959
18:54:24 +40.7648 -045.9754 +14 147 +25 +42.1163 -046.9495 +39.5344 -045.1452
18:54:27 +40.5714 -045.4019 +14 148 +25 +41.8901 -046.3280 +39.3648 -044.6069
18:54:29 +40.3886 -044.8428 +15 148 +24 +41.6777 -045.7258 +39.2037 -044.0798
18:54:32 +40.2154 -044.2967 +15 149 +24 +41.4777 -045.1406 +39.0504 -043.5632
18:54:34 +40.0510 -043.7624 +15 149 +24 +41.2891 -044.5708 +38.9044 -043.0563
18:54:36 +39.8949 -043.2392 +16 149 +23 +41.1108 -044.0150 +38.7652 -042.5582
18:54:39 +39.7466 -042.7261 +16 150 +23 +40.9421 -043.4720 +38.6325 -042.0686
18:54:41 +39.6054 -042.2223 +16 150 +23 +40.7823 -042.9406 +38.5060 -041.5867
18:54:43 +39.4710 -041.7272 +17 151 +22 +40.6306 -042.4199 +38.3852 -041.1121
18:54:46 +39.3431 -041.2403 +17 151 +22 +40.4866 -041.9091 +38.2699 -040.6444
18:54:48 +39.2211 -040.7609 +17 151 +22 +40.3498 -041.4074 +38.1599 -040.1831
18:54:51 +39.1050 -040.2886 +17 152 +21 +40.2198 -040.9143 +38.0548 -039.7278
18:54:53 +38.9942 -039.8229 +18 152 +21 +40.0961 -040.4291 +37.9546 -039.2783
18:54:55 +38.8887 -039.3635 +18 153 +21 +39.9785 -039.9513 +37.8589 -038.8342
18:54:58 +38.7882 -038.9100 +18 153 +20 +39.8666 -039.4805 +37.7676 -038.3951
18:55:00 +38.6924 -038.4621 +18 153 +20 +39.7602 -039.0161 +37.6805 -037.9609
18:55:02 +38.6011 -038.0194 +19 154 +20 +39.6589 -038.5579 +37.5975 -037.5313
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18:55:07 +38.4316 -037.1486 +19 154 +19 +39.4711 -037.6583 +37.4432 -036.6850
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18:56:16 +37.4223 -025.8941 +23 165 +10 +38.3371 -026.1618 +36.5400 -025.6440
18:56:18 +37.4261 -025.5341 +23 165 +10 +38.3394 -025.7963 +36.5452 -025.2889
18:56:21 +37.4322 -025.1751 +23 165 +10 +38.3441 -025.4321 +36.5524 -024.9347
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18:56:30 +37.4784 -023.7489 +24 167 +08 +38.3860 -023.9855 +36.6024 -023.5272
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18:57:04 +37.9078 -018.8387 +24 172 +04 +38.8139 -019.0111 +37.0327 -018.6762
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18:57:13 +38.1061 -017.4467 +24 173 +03 +39.0157 -017.6018 +37.2279 -017.3003
18:57:15 +38.1609 -017.0988 +24 173 +03 +39.0717 -017.2495 +37.2817 -016.9563
18:57:18 +38.2180 -016.7507 +24 174 +03 +39.1299 -016.8971 +37.3376 -016.6123
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18:57:49 +39.1608 -012.1984 +23 178 -01 +40.0998 -012.2867 +38.2564 -012.1137
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18:57:58 +39.5308 -010.7770 +23 180 -02 +40.4828 -010.8458 +38.6148 -010.7102
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18:58:03 +39.7310 -010.0605 +23 180 -03 +40.6905 -010.1191 +38.8084 -010.0031
18:58:05 +39.8351 -009.7006 +23 181 -03 +40.7986 -009.7540 +38.9090 -009.6480
18:58:08 +39.9418 -009.3395 +22 181 -03 +40.9096 -009.3876 +39.0120 -009.2918
18:58:10 +40.0513 -008.9771 +22 181 -03 +41.0235 -009.0198 +39.1177 -008.9344
18:58:13 +40.1637 -008.6134 +22 182 -04 +41.1404 -008.6505 +39.2260 -008.5758
18:58:15 +40.2788 -008.2483 +22 182 -04 +41.2604 -008.2797 +39.3369 -008.2159
18:58:17 +40.3969 -007.8817 +22 183 -04 +41.3835 -007.9072 +39.4506 -007.8546
18:58:20 +40.5179 -007.5135 +22 183 -04 +41.5098 -007.5330 +39.5670 -007.4918
18:58:22 +40.6420 -007.1436 +22 183 -05 +41.6394 -007.1570 +39.6863 -007.1275
18:58:24 +40.7692 -006.7720 +22 184 -05 +41.7724 -006.7791 +39.8084 -006.7616
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18:58:36 +41.4545 -004.8841 +21 185 -06 +42.4910 -004.8568 +40.4650 -004.9047
18:58:39 +41.6021 -004.4998 +21 186 -07 +42.6463 -004.4649 +40.6060 -004.5272
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18:58:53 +42.5702 -002.1364 +19 188 -08 +43.6692 -002.0492 +41.5275 -002.2100
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18:58:58 +42.9278 -001.3228 +19 189 -09 +44.0493 -001.2149 +41.8663 -001.4144
18:59:00 +43.1139 -000.9102 +19 189 -09 +44.2476 -000.7913 +42.0422 -001.0115
18:59:02 +43.3051 -000.4936 +18 190 -09 +44.4517 -000.3630 +42.2227 -000.6050
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18:59:07 +43.7039 +000.3528 +18 190 -10 +44.8788 +000.5088 +42.5982 +000.2198
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18:59:12 +44.1262 +001.2188 +17 191 -10 +45.3331 +001.4034 +42.9944 +001.0617
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18:59:17 +44.5745 +002.1071 +17 192 -11 +45.8180 +002.3239 +43.4132 +001.9230
18:59:19 +44.8093 +002.5605 +17 192 -11 +46.0731 +002.7953 +43.6318 +002.3616
18:59:21 +45.0517 +003.0207 +16 193 -11 +46.3374 +003.2747 +43.8569 +002.8060
18:59:24 +45.3023 +003.4882 +16 193 -12 +46.6116 +003.7630 +44.0889 +003.2567
18:59:26 +45.5616 +003.9635 +16 194 -12 +46.8965 +004.2609 +44.3283 +003.7140
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18:59:33 +46.3979 +005.4436 +15 195 -13 +47.8247 +005.8219 +45.0949 +005.1308
18:59:36 +46.6988 +005.9577 +14 195 -13 +48.1627 +006.3687 +45.3684 +005.6200
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18:59:40 +47.3399 +007.0234 +13 196 -13 +48.8911 +007.5117 +45.9467 +006.6285
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18:59:57 +50.1891 +011.3460 +10 200 -15 +52.3623 +012.3991 +48.4171 +010.5997
18:59:59 +50.7181 +012.0853 +09 201 -15 +53.0860 +013.3191 +48.8511 +011.2493
19:00:02 +51.2982 +012.8762 +08 201 -15 +53.9397 +014.3664 +49.3148 +011.9294
19:00:04 +51.9445 +013.7341 +08 202 -16 +55.0177 +015.6330 +49.8139 +012.6461
19:00:07 +52.6813 +014.6839 +07 203 -16 +56.6630 +017.4533 +50.3558 +013.4074
19:00:09 +53.5531 +015.7712 +06 204 -16 -- -- +50.9515 +014.2249
19:00:11 +54.6613 +017.0992 +04 205 -16 -- -- +51.6173 +015.1159
19:00:14 +56.4016 +019.0704 +02 206 -16 -- -- +52.3805 +016.1093
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East.