Cora»OccDetail

Stellar Occultation by (426) Hippo on 2025-10-02 (02:45:41 UT)

Event Details
Occultation UUID [and db] : 7c5d0fc0-ddb8-11f0-547e-8b2cdd673aed [observed] Occultation Date + Time : 2025-10-02 at 02:45:41 UT +/- 0.0 min [1] Object Designation : (426) Hippo Star Designation : GDR3 2852509818199604224 Star Coordinates (ICRF) : RA = 23 50 17.1332, DE = +25 10 45.216 [2] Star Magnitudes : G = 13.15 mag, RP = 12.67 mag, BP = 13.47 mag Object Magnitude : V = 13.34 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 8.8 sec Speed of the shadow : 14.4 km/s Object Mean Diameter : 127.1 km (src: astorb) => apparent = 78 mas Apparent Motion : 0.5333 arcs/min @ PA = 255 deg Horizontal Parallax : 3.9330 arcs Dynamical Class : MBA Elongation to Moon & Sun : 69° (sunlit = 71%), Sun = 156° Cross-track uncertainty : 2.0 mas = 3 km = 0.03 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#144 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 7c5d0fc0-ddb8-11f0-547e-8b2cdd673aed [observed]

 Occultation Date + Time   : 2025-10-02 at 02:45:41 UT +/- 0.0 min  [1]
 Object Designation        : (426) Hippo
 Star Designation          : GDR3 2852509818199604224
 Star Coordinates (ICRF)   : RA = 23 50 17.1332, DE = +25 10 45.216  [2]
 Star Magnitudes           : G = 13.15 mag, RP = 12.67 mag, BP = 13.47 mag
 Object Magnitude          : V = 13.34 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 8.8 sec
 Speed of the shadow       : 14.4 km/s
 Object Mean Diameter      : 127.1 km  (src: astorb) => apparent = 78 mas
 Apparent Motion           : 0.5333 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 3.9330 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 69° (sunlit = 71%), Sun = 156°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#144
 Note                      : FP:true

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

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

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Interactive map

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Aladin Sky Atlas

Aladin Lite direct link (has Gaia overlay)

Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 02:38:32 +27.3045 +036.6868 +11 293 -11 02:38:41 +29.3832 +031.2888 +17 290 -16 02:38:51 +30.8623 +027.0583 +20 288 -19 02:39:01 +32.0333 +023.4037 +24 286 -22 02:39:10 +33.0048 +020.1069 +27 284 -25 02:39:20 +33.8318 +017.0591 +29 282 -27 02:39:30 +34.5468 +014.1970 +32 280 -29 02:39:40 +35.1708 +011.4800 +34 279 -31 02:39:49 +35.7184 +008.8805 +36 277 -33 02:39:59 +36.2004 +006.3785 +38 275 -34 02:40:09 +36.6247 +003.9593 +40 274 -36 02:40:18 +36.9977 +001.6116 +42 272 -37 02:40:28 +37.3245 -000.6733 +44 271 -39 02:40:38 +37.6090 -002.9025 +45 269 -40 02:40:47 +37.8547 -005.0816 +47 267 -41 02:40:57 +38.0645 -007.2153 +49 266 -43 02:41:07 +38.2409 -009.3075 +50 264 -44 02:41:17 +38.3858 -011.3614 +52 262 -45 02:41:26 +38.5013 -013.3797 +53 261 -46 02:41:36 +38.5888 -015.3648 +55 259 -47 02:41:46 +38.6498 -017.3187 +56 257 -48 02:41:55 +38.6857 -019.2432 +58 256 -49 02:42:05 +38.6976 -021.1398 +59 254 -50 02:42:15 +38.6864 -023.0099 +61 252 -50 02:42:25 +38.6532 -024.8547 +62 250 -51 02:42:34 +38.5988 -026.6753 +63 248 -52 02:42:44 +38.5240 -028.4727 +65 246 -53 02:42:54 +38.4296 -030.2478 +66 244 -53 02:43:03 +38.3162 -032.0015 +67 242 -54 02:43:13 +38.1845 -033.7345 +68 239 -54 02:43:23 +38.0349 -035.4476 +69 237 -55 02:43:33 +37.8681 -037.1415 +71 234 -55 02:43:42 +37.6845 -038.8168 +72 231 -56 02:43:52 +37.4847 -040.4742 +73 228 -56 02:44:02 +37.2690 -042.1142 +74 225 -56 02:44:11 +37.0378 -043.7376 +75 221 -57 02:44:21 +36.7916 -045.3448 +76 217 -57 02:44:31 +36.5306 -046.9365 +77 212 -57 02:44:41 +36.2551 -048.5132 +78 207 -57 02:44:50 +35.9656 -050.0755 +79 202 -57 02:45:00 +35.6622 -051.6240 +79 195 -57 02:45:10 +35.3451 -053.1592 +80 188 -57 02:45:19 +35.0147 -054.6816 +80 181 -57 02:45:29 +34.6711 -056.1919 +80 173 -57 02:45:39 +34.3145 -057.6907 +81 165 -57 02:45:48 +33.9450 -059.1785 +81 156 -57 02:45:58 +33.5628 -060.6559 +80 148 -56 02:46:08 +33.1681 -062.1235 +80 140 -56 02:46:18 +32.7609 -063.5820 +79 133 -56 02:46:27 +32.3412 -065.0319 +79 127 -55 02:46:37 +31.9092 -066.4739 +78 121 -55 02:46:47 +31.4649 -067.9088 +77 116 -54 02:46:56 +31.0082 -069.3371 +76 112 -54 02:47:06 +30.5392 -070.7596 +75 108 -53 02:47:16 +30.0578 -072.1770 +74 104 -53 02:47:26 +29.5640 -073.5901 +73 101 -52 02:47:35 +29.0576 -074.9997 +72 098 -52 02:47:45 +28.5385 -076.4066 +71 095 -51 02:47:55 +28.0065 -077.8116 +70 093 -50 02:48:04 +27.4616 -079.2158 +69 091 -49 02:48:14 +26.9034 -080.6200 +67 089 -49 02:48:24 +26.3316 -082.0254 +66 087 -48 02:48:34 +25.7460 -083.4329 +65 085 -47 02:48:43 +25.1461 -084.8438 +64 084 -46 02:48:53 +24.5316 -086.2593 +62 082 -45 02:49:03 +23.9020 -087.6808 +61 081 -44 02:49:12 +23.2567 -089.1098 +60 079 -43 02:49:22 +22.5950 -090.5478 +58 078 -42 02:49:32 +21.9164 -091.9966 +57 077 -41 02:49:41 +21.2199 -093.4583 +55 076 -40 02:49:51 +20.5045 -094.9348 +54 075 -39 02:50:01 +19.7693 -096.4288 +52 074 -38 02:50:11 +19.0129 -097.9429 +51 073 -36 02:50:20 +18.2339 -099.4802 +49 072 -35 02:50:30 +17.4306 -101.0443 +48 071 -34 02:50:40 +16.6010 -102.6395 +46 071 -32 02:50:49 +15.7426 -104.2705 +44 070 -31 02:50:59 +14.8527 -105.9432 +42 069 -29 02:51:09 +13.9277 -107.6646 +41 069 -28 02:51:19 +12.9634 -109.4433 +39 068 -26 02:51:28 +11.9544 -111.2901 +37 067 -24 02:51:38 +10.8939 -113.2189 +35 067 -23 02:51:48 +09.7727 -115.2477 +32 066 -21 02:51:57 +08.5785 -117.4016 +30 066 -19 02:52:07 +07.2937 -119.7160 +27 065 -16 02:52:17 +05.8917 -122.2450 +25 065 -14 02:52:27 +04.3284 -125.0783 +21 065 -11 02:52:36 +02.5211 -128.3860 +18 064 -08 02:52:46 +00.2697 -132.5822 +13 064 -03 02:52:56 -03.4454 -139.7989 +05 064 +04 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 02:38:32   +27.3045  +036.6868   +11  293  -11 02:38:41   +29.3832  +031.2888   +17  290  -16 02:38:51   +30.8623  +027.0583   +20  288  -19 02:39:01   +32.0333  +023.4037   +24  286  -22 02:39:10   +33.0048  +020.1069   +27  284  -25 02:39:20   +33.8318  +017.0591   +29  282  -27 02:39:30   +34.5468  +014.1970   +32  280  -29 02:39:40   +35.1708  +011.4800   +34  279  -31 02:39:49   +35.7184  +008.8805   +36  277  -33 02:39:59   +36.2004  +006.3785   +38  275  -34 02:40:09   +36.6247  +003.9593   +40  274  -36 02:40:18   +36.9977  +001.6116   +42  272  -37 02:40:28   +37.3245  -000.6733   +44  271  -39 02:40:38   +37.6090  -002.9025   +45  269  -40 02:40:47   +37.8547  -005.0816   +47  267  -41 02:40:57   +38.0645  -007.2153   +49  266  -43 02:41:07   +38.2409  -009.3075   +50  264  -44 02:41:17   +38.3858  -011.3614   +52  262  -45 02:41:26   +38.5013  -013.3797   +53  261  -46 02:41:36   +38.5888  -015.3648   +55  259  -47 02:41:46   +38.6498  -017.3187   +56  257  -48 02:41:55   +38.6857  -019.2432   +58  256  -49 02:42:05   +38.6976  -021.1398   +59  254  -50 02:42:15   +38.6864  -023.0099   +61  252  -50 02:42:25   +38.6532  -024.8547   +62  250  -51 02:42:34   +38.5988  -026.6753   +63  248  -52 02:42:44   +38.5240  -028.4727   +65  246  -53 02:42:54   +38.4296  -030.2478   +66  244  -53 02:43:03   +38.3162  -032.0015   +67  242  -54 02:43:13   +38.1845  -033.7345   +68  239  -54 02:43:23   +38.0349  -035.4476   +69  237  -55 02:43:33   +37.8681  -037.1415   +71  234  -55 02:43:42   +37.6845  -038.8168   +72  231  -56 02:43:52   +37.4847  -040.4742   +73  228  -56 02:44:02   +37.2690  -042.1142   +74  225  -56 02:44:11   +37.0378  -043.7376   +75  221  -57 02:44:21   +36.7916  -045.3448   +76  217  -57 02:44:31   +36.5306  -046.9365   +77  212  -57 02:44:41   +36.2551  -048.5132   +78  207  -57 02:44:50   +35.9656  -050.0755   +79  202  -57 02:45:00   +35.6622  -051.6240   +79  195  -57 02:45:10   +35.3451  -053.1592   +80  188  -57 02:45:19   +35.0147  -054.6816   +80  181  -57 02:45:29   +34.6711  -056.1919   +80  173  -57 02:45:39   +34.3145  -057.6907   +81  165  -57 02:45:48   +33.9450  -059.1785   +81  156  -57 02:45:58   +33.5628  -060.6559   +80  148  -56 02:46:08   +33.1681  -062.1235   +80  140  -56 02:46:18   +32.7609  -063.5820   +79  133  -56 02:46:27   +32.3412  -065.0319   +79  127  -55 02:46:37   +31.9092  -066.4739   +78  121  -55 02:46:47   +31.4649  -067.9088   +77  116  -54 02:46:56   +31.0082  -069.3371   +76  112  -54 02:47:06   +30.5392  -070.7596   +75  108  -53 02:47:16   +30.0578  -072.1770   +74  104  -53 02:47:26   +29.5640  -073.5901   +73  101  -52 02:47:35   +29.0576  -074.9997   +72  098  -52 02:47:45   +28.5385  -076.4066   +71  095  -51 02:47:55   +28.0065  -077.8116   +70  093  -50 02:48:04   +27.4616  -079.2158   +69  091  -49 02:48:14   +26.9034  -080.6200   +67  089  -49 02:48:24   +26.3316  -082.0254   +66  087  -48 02:48:34   +25.7460  -083.4329   +65  085  -47 02:48:43   +25.1461  -084.8438   +64  084  -46 02:48:53   +24.5316  -086.2593   +62  082  -45 02:49:03   +23.9020  -087.6808   +61  081  -44 02:49:12   +23.2567  -089.1098   +60  079  -43 02:49:22   +22.5950  -090.5478   +58  078  -42 02:49:32   +21.9164  -091.9966   +57  077  -41 02:49:41   +21.2199  -093.4583   +55  076  -40 02:49:51   +20.5045  -094.9348   +54  075  -39 02:50:01   +19.7693  -096.4288   +52  074  -38 02:50:11   +19.0129  -097.9429   +51  073  -36 02:50:20   +18.2339  -099.4802   +49  072  -35 02:50:30   +17.4306  -101.0443   +48  071  -34 02:50:40   +16.6010  -102.6395   +46  071  -32 02:50:49   +15.7426  -104.2705   +44  070  -31 02:50:59   +14.8527  -105.9432   +42  069  -29 02:51:09   +13.9277  -107.6646   +41  069  -28 02:51:19   +12.9634  -109.4433   +39  068  -26 02:51:28   +11.9544  -111.2901   +37  067  -24 02:51:38   +10.8939  -113.2189   +35  067  -23 02:51:48   +09.7727  -115.2477   +32  066  -21 02:51:57   +08.5785  -117.4016   +30  066  -19 02:52:07   +07.2937  -119.7160   +27  065  -16 02:52:17   +05.8917  -122.2450   +25  065  -14 02:52:27   +04.3284  -125.0783   +21  065  -11 02:52:36   +02.5211  -128.3860   +18  064  -08 02:52:46   +00.2697  -132.5822   +13  064  -03 02:52:56   -03.4454  -139.7989   +05  064  +04

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +26.9564 +035.9742 +27.6303 +037.4532 +28.9634 +030.7197 +29.7916 +031.8899 +30.4083 +026.5584 +31.3085 +027.5835 +31.5571 +022.9500 +32.5035 +023.8792 +32.5123 +019.6889 +33.4926 +020.5444 +33.3265 +016.6710 +34.3334 +017.4650 +34.0309 +013.8353 +35.0597 +014.5752 +34.6459 +011.1424 +35.6933 +011.8331 +35.1858 +008.5653 +36.2491 +009.2102 +35.6610 +006.0845 +36.7382 +006.6861 +36.0794 +003.6857 +37.1688 +004.2458 +36.4471 +001.3576 +37.5474 +001.8777 +36.7692 -000.9082 +37.8790 -000.4270 +37.0496 -003.1188 +38.1679 -002.6754 +37.2917 -005.2798 +38.4175 -004.8733 +37.4984 -007.3958 +38.6307 -007.0255 +37.6719 -009.4705 +38.8100 -009.1358 +37.8144 -011.5072 +38.9575 -011.2074 +37.9278 -013.5087 +39.0752 -013.2431 +38.0135 -015.4773 +39.1646 -015.2453 +38.0731 -017.4150 +39.2273 -017.2160 +38.1078 -019.3235 +39.2644 -019.1570 +38.1187 -021.2044 +39.2773 -021.0698 +38.1068 -023.0592 +39.2669 -022.9558 +38.0732 -024.8889 +39.2342 -024.8161 +38.0186 -026.6948 +39.1801 -026.6520 +37.9438 -028.4777 +39.1053 -028.4643 +37.8496 -030.2387 +39.0107 -030.2540 +37.7365 -031.9786 +38.8970 -032.0220 +37.6053 -033.6981 +38.7647 -033.7689 +37.4565 -035.3980 +38.6144 -035.4956 +37.2906 -037.0791 +38.4467 -037.2028 +37.1081 -038.7419 +38.2621 -038.8910 +36.9094 -040.3871 +38.0610 -040.5609 +36.6950 -042.0153 +37.8440 -042.2132 +36.4653 -043.6271 +37.6113 -043.8485 +36.2206 -045.2232 +37.3635 -045.4672 +35.9613 -046.8040 +37.1008 -047.0701 +35.6876 -048.3701 +36.8235 -048.6577 +35.3999 -049.9222 +36.5321 -050.2305 +35.0985 -051.4608 +36.2266 -051.7892 +34.7835 -052.9863 +35.9075 -053.3342 +34.4552 -054.4995 +35.5749 -054.8662 +34.1138 -056.0008 +35.2290 -056.3858 +33.7594 -057.4909 +34.8700 -057.8934 +33.3923 -058.9703 +34.4982 -059.3898 +33.0125 -060.4396 +34.1136 -060.8756 +32.6202 -061.8993 +33.7163 -062.3512 +32.2155 -063.3502 +33.3065 -063.8175 +31.7984 -064.7929 +32.8842 -065.2749 +31.3689 -066.2279 +32.4496 -066.7242 +30.9272 -067.6559 +32.0025 -068.1660 +30.4732 -069.0776 +31.5431 -069.6010 +30.0069 -070.4938 +31.0714 -071.0300 +29.5282 -071.9051 +30.5872 -072.4537 +29.0371 -073.3123 +30.0905 -073.8728 +28.5334 -074.7161 +29.5812 -075.2883 +28.0172 -076.1175 +29.0593 -076.7008 +27.4880 -077.5172 +28.5245 -078.1113 +26.9459 -078.9162 +27.9766 -079.5208 +26.3905 -080.3154 +27.4154 -080.9301 +25.8216 -081.7159 +26.8407 -082.3404 +25.2389 -083.1187 +26.2521 -083.7528 +24.6420 -084.5250 +25.6492 -085.1684 +24.0304 -085.9361 +25.0317 -086.5885 +23.4037 -087.3532 +24.3990 -088.0144 +22.7614 -088.7779 +23.7506 -089.4478 +22.1027 -090.2117 +23.0858 -090.8901 +21.4271 -091.6564 +22.4040 -092.3433 +20.7337 -093.1139 +21.7043 -093.8091 +20.0214 -094.5864 +20.9858 -095.2899 +19.2893 -096.0762 +20.2473 -096.7881 +18.5362 -097.5862 +19.4875 -098.3065 +17.7605 -099.1193 +18.7051 -099.8482 +16.9605 -100.6791 +17.8983 -101.4168 +16.1343 -102.2698 +17.0650 -103.0166 +15.2795 -103.8961 +16.2029 -104.6525 +14.3934 -105.5639 +15.3090 -106.3304 +13.4723 -107.2800 +14.3798 -108.0574 +12.5122 -109.0529 +13.4111 -109.8423 +11.5078 -110.8932 +12.3973 -111.6960 +10.4523 -112.8146 +11.3314 -113.6327 +09.3367 -114.8348 +10.2042 -115.6709 +08.1490 -116.9781 +09.0031 -117.8361 +06.8720 -119.2793 +07.7098 -120.1648 +05.4799 -121.7907 +06.2969 -122.7131 +03.9304 -124.5985 +04.7186 -125.5744 +02.1446 -127.8645 +02.8874 -128.9286 -00.0631 -131.9725 +00.5859 -133.2261 -03.5336 -138.6789 -03.5041 -141.2273 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.