Cora»OccDetail

Stellar Occultation by (145474) 2005 SA278 on 2025-10-23 (01:02:28 UT)

Event Details
Occultation UUID [and db] : 564d47f0-4097-11f0-4ed7-4de1db17b6ce [cetnos] Occultation Date + Time : 2025-10-23 at 01:02:28 UT +/- 1.1 min [1] Object Designation : (145474) 2005 SA278 Star Designation : GDR3 3284635686261759488 Star Coordinates (ICRF) : RA = 04 08 59.9920, DE = +04 59 27.814 [2] Star Magnitudes : G = 10.14 mag, RP = 9.59 mag, BP = 10.43 mag Object Magnitude : V = 21.77 mag Estimated Magnitude Drop : 11.6 mag Estimated Max. Duration : 9.5 sec Speed of the shadow : 19.9 km/s Object Mean Diameter : 189.4 km (src: CORA+astorb) => apparent = 8 mas Apparent Motion : 0.0483 arcs/min @ PA = 245 deg Horizontal Parallax : 0.2610 arcs Dynamical Class : TNO Elongation to Moon & Sun : 155° (sunlit = 2%), Sun = 145° Cross-track uncertainty : 29.7 mas = 725 km = 3.83 path-width (1-sig) RUWE and duplicate source : 1.46 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#18 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 564d47f0-4097-11f0-4ed7-4de1db17b6ce [cetnos]

 Occultation Date + Time   : 2025-10-23 at 01:02:28 UT +/- 1.1 min  [1]
 Object Designation        : (145474) 2005 SA278
 Star Designation          : GDR3 3284635686261759488
 Star Coordinates (ICRF)   : RA = 04 08 59.9920, DE = +04 59 27.814  [2]
 Star Magnitudes           : G = 10.14 mag, RP = 9.59 mag, BP = 10.43 mag
 Object Magnitude          : V = 21.77 mag
 Estimated Magnitude Drop  : 11.6 mag
 Estimated Max. Duration   : 9.5 sec
 Speed of the shadow       : 19.9 km/s
 Object Mean Diameter      : 189.4 km  (src: CORA+astorb) => apparent = 8 mas
 Apparent Motion           : 0.0483 arcs/min @ PA = 245 deg
 Horizontal Parallax       : 0.2610 arcs
 Dynamical Class           : TNO
 Elongation to Moon & Sun  : 155° (sunlit = 2%), Sun = 145°
 Cross-track uncertainty   : 29.7 mas = 725 km = 3.83 path-width (1-sig)
 RUWE and duplicate source : 1.46 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#18

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

More Data and Informations

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 00:58:33 +68.0400 +105.8959 +05 272 +01 00:58:44 +67.9385 +082.1491 +13 250 -07 00:58:54 +66.9532 +069.1524 +18 237 -11 00:59:05 +65.7596 +059.5811 +22 228 -15 00:59:15 +64.4876 +051.9367 +25 221 -19 00:59:26 +63.1873 +045.5551 +28 214 -22 00:59:36 +61.8824 +040.0674 +30 208 -24 00:59:47 +60.5846 +035.2433 +32 203 -27 00:59:57 +59.3000 +030.9287 +34 199 -30 01:00:08 +58.0317 +027.0153 +36 194 -32 01:00:18 +56.7809 +023.4239 +38 190 -34 01:00:29 +55.5480 +020.0949 +39 186 -36 01:00:39 +54.3328 +016.9824 +41 182 -39 01:00:49 +53.1348 +014.0505 +42 178 -41 01:01:00 +51.9531 +011.2701 +43 175 -43 01:01:10 +50.7869 +008.6176 +44 171 -45 01:01:21 +49.6354 +006.0736 +45 167 -46 01:01:31 +48.4976 +003.6215 +45 164 -48 01:01:42 +47.3725 +001.2474 +46 160 -50 01:01:52 +46.2594 -001.0607 +46 156 -52 01:02:03 +45.1573 -003.3136 +47 153 -54 01:02:13 +44.0654 -005.5205 +47 149 -55 01:02:24 +42.9827 -007.6900 +47 146 -57 01:02:34 +41.9085 -009.8299 +47 142 -58 01:02:45 +40.8420 -011.9474 +47 139 -60 01:02:55 +39.7824 -014.0495 +47 136 -61 01:03:06 +38.7288 -016.1429 +46 132 -63 01:03:16 +37.6805 -018.2341 +46 129 -64 01:03:27 +36.6365 -020.3298 +45 126 -65 01:03:37 +35.5961 -022.4370 +44 123 -66 01:03:47 +34.5583 -024.5628 +43 120 -66 01:03:58 +33.5223 -026.7151 +42 117 -67 01:04:08 +32.4869 -028.9027 +41 115 -67 01:04:19 +31.4510 -031.1354 +40 112 -67 01:04:29 +30.4133 -033.4247 +38 110 -67 01:04:40 +29.3724 -035.7845 +37 107 -67 01:04:50 +28.3264 -038.2316 +35 105 -66 01:05:01 +27.2730 -040.7878 +33 103 -65 01:05:11 +26.2095 -043.4817 +31 101 -64 01:05:22 +25.1319 -046.3531 +29 098 -62 01:05:32 +24.0348 -049.4603 +26 096 -60 01:05:43 +22.9093 -052.8963 +23 094 -57 01:05:53 +21.7403 -056.8273 +20 092 -54 01:06:04 +20.4949 -061.6171 +15 090 -49 01:06:14 +19.0610 -068.5226 +09 088 -43 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 00:58:33   +68.0400  +105.8959   +05  272  +01 00:58:44   +67.9385  +082.1491   +13  250  -07 00:58:54   +66.9532  +069.1524   +18  237  -11 00:59:05   +65.7596  +059.5811   +22  228  -15 00:59:15   +64.4876  +051.9367   +25  221  -19 00:59:26   +63.1873  +045.5551   +28  214  -22 00:59:36   +61.8824  +040.0674   +30  208  -24 00:59:47   +60.5846  +035.2433   +32  203  -27 00:59:57   +59.3000  +030.9287   +34  199  -30 01:00:08   +58.0317  +027.0153   +36  194  -32 01:00:18   +56.7809  +023.4239   +38  190  -34 01:00:29   +55.5480  +020.0949   +39  186  -36 01:00:39   +54.3328  +016.9824   +41  182  -39 01:00:49   +53.1348  +014.0505   +42  178  -41 01:01:00   +51.9531  +011.2701   +43  175  -43 01:01:10   +50.7869  +008.6176   +44  171  -45 01:01:21   +49.6354  +006.0736   +45  167  -46 01:01:31   +48.4976  +003.6215   +45  164  -48 01:01:42   +47.3725  +001.2474   +46  160  -50 01:01:52   +46.2594  -001.0607   +46  156  -52 01:02:03   +45.1573  -003.3136   +47  153  -54 01:02:13   +44.0654  -005.5205   +47  149  -55 01:02:24   +42.9827  -007.6900   +47  146  -57 01:02:34   +41.9085  -009.8299   +47  142  -58 01:02:45   +40.8420  -011.9474   +47  139  -60 01:02:55   +39.7824  -014.0495   +47  136  -61 01:03:06   +38.7288  -016.1429   +46  132  -63 01:03:16   +37.6805  -018.2341   +46  129  -64 01:03:27   +36.6365  -020.3298   +45  126  -65 01:03:37   +35.5961  -022.4370   +44  123  -66 01:03:47   +34.5583  -024.5628   +43  120  -66 01:03:58   +33.5223  -026.7151   +42  117  -67 01:04:08   +32.4869  -028.9027   +41  115  -67 01:04:19   +31.4510  -031.1354   +40  112  -67 01:04:29   +30.4133  -033.4247   +38  110  -67 01:04:40   +29.3724  -035.7845   +37  107  -67 01:04:50   +28.3264  -038.2316   +35  105  -66 01:05:01   +27.2730  -040.7878   +33  103  -65 01:05:11   +26.2095  -043.4817   +31  101  -64 01:05:22   +25.1319  -046.3531   +29  098  -62 01:05:32   +24.0348  -049.4603   +26  096  -60 01:05:43   +22.9093  -052.8963   +23  094  -57 01:05:53   +21.7403  -056.8273   +20  092  -54 01:06:04   +20.4949  -061.6171   +15  090  -49 01:06:14   +19.0610  -068.5226   +09  088  -43

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +67.1056 +093.6209 +69.0366 +118.3237 +66.4769 +077.1587 +69.3625 +089.2321 +65.4353 +066.1938 +68.5166 +073.0174 +64.2546 +057.7273 +67.3250 +061.9280 +63.0170 +050.7841 +66.0188 +053.3755 +61.7583 +044.8817 +64.6732 +046.3967 +60.4962 +039.7366 +63.3203 +040.4943 +59.2404 +035.1655 +61.9754 +035.3713 +57.9958 +031.0423 +60.6462 +030.8352 +56.7650 +027.2767 +59.3360 +026.7537 +55.5494 +023.8013 +58.0463 +023.0324 +54.3492 +020.5647 +56.7773 +019.6015 +53.1646 +017.5269 +55.5286 +016.4079 +51.9950 +014.6559 +54.2995 +013.4104 +50.8398 +011.9259 +53.0890 +010.5765 +49.6985 +009.3155 +51.8959 +007.8797 +48.5702 +006.8071 +50.7193 +005.2986 +47.4541 +004.3855 +49.5580 +002.8150 +46.3496 +002.0378 +48.4110 +000.4138 +45.2558 -000.2471 +47.2773 -001.9180 +44.1718 -002.4792 +46.1557 -004.1918 +43.0971 -004.6674 +45.0454 -006.4177 +42.0308 -006.8195 +43.9454 -008.6047 +40.9721 -008.9431 +42.8548 -010.7611 +39.9204 -011.0450 +41.7727 -012.8945 +38.8748 -013.1318 +40.6981 -015.0122 +37.8347 -015.2098 +39.6303 -017.1213 +36.7993 -017.2854 +38.5682 -019.2286 +35.7678 -019.3650 +37.5111 -021.3412 +34.7394 -021.4549 +36.4580 -023.4663 +33.7134 -023.5623 +35.4079 -025.6117 +32.6887 -025.6944 +34.3598 -027.7856 +31.6645 -027.8595 +33.3126 -029.9973 +30.6396 -030.0669 +32.2650 -032.2575 +29.6129 -032.3271 +31.2156 -034.5787 +28.5831 -034.6530 +30.1629 -036.9758 +27.5483 -037.0600 +29.1047 -039.4677 +26.5067 -039.5676 +28.0387 -042.0787 +25.4557 -042.2013 +26.9615 -044.8414 +24.3919 -044.9956 +25.8687 -047.8024 +23.3105 -048.0001 +24.7537 -051.0317 +22.2044 -051.2908 +23.6055 -054.6464 +21.0618 -054.9966 +22.4038 -058.8711 +19.8593 -059.3723 +21.0975 -064.2719 +18.5360 -065.0994 +19.3502 -074.6508 Azimuth (Azm) measured from North to East.

Apply ephem. offset (O-C) in RA & DE and CTU:
CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.