Cora»OccDetail

Stellar Occultation by (85) Io on 2025-09-14 (02:53:35 UT)

Event Details
Occultation UUID [and db] : 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa [observed] Occultation Date + Time : 2025-09-14 at 02:53:35 UT +/- 0.03 min [1] Object Designation : (85) Io Star Designation : GDR3 2588021471503184640 Star Coordinates (ICRF) : RA = 01 46 44.5178, DE = +14 26 02.541 [2] Star Magnitudes : G = 11.92 mag, RP = 11.43 mag, BP = 12.25 mag Object Magnitude : V = 11.29 mag Estimated Magnitude Drop : 0.5 mag Estimated Max. Duration : 27.2 sec Speed of the shadow : 5.7 km/s Object Mean Diameter : 154.8 km (src: astorb) => apparent = 154 mas Apparent Motion : 0.3400 arcs/min @ PA = 209 deg Horizontal Parallax : 6.3430 arcs Dynamical Class : MBA Elongation to Moon & Sun : 47° (sunlit = 54%), Sun = 142° Cross-track uncertainty : 1.0 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#140 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

Event Details

 Occultation UUID [and db] : 6cac4bf0-ddb7-11f0-547e-85fdb7ff4efa [observed]

 Occultation Date + Time   : 2025-09-14 at 02:53:35 UT +/- 0.03 min  [1]
 Object Designation        : (85) Io
 Star Designation          : GDR3 2588021471503184640
 Star Coordinates (ICRF)   : RA = 01 46 44.5178, DE = +14 26 02.541  [2]
 Star Magnitudes           : G = 11.92 mag, RP = 11.43 mag, BP = 12.25 mag
 Object Magnitude          : V = 11.29 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 27.2 sec
 Speed of the shadow       : 5.7 km/s
 Object Mean Diameter      : 154.8 km  (src: astorb) => apparent = 154 mas
 Apparent Motion           : 0.3400 arcs/min @ PA = 209 deg
 Horizontal Parallax       : 6.3430 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 47° (sunlit = 54%), Sun = 142°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#140
 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

More Data and Informations

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

(If error 404: link not valid which means no data available)

Interactive map

Download KMZ file

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 ---------------------------------------------- 02:35:15 +68.3010 +119.4667 +02 307 +24 02:35:45 +73.1199 +086.4042 +13 276 +13 02:36:15 +73.1582 +067.4888 +19 258 +08 02:36:45 +72.1219 +053.6789 +23 245 +04 02:37:15 +70.6208 +043.3894 +26 235 +01 02:37:44 +68.9118 +035.5291 +30 228 -02 02:38:14 +67.1160 +029.3507 +32 222 -05 02:38:44 +65.2931 +024.3583 +35 217 -07 02:39:14 +63.4734 +020.2227 +38 213 -09 02:39:44 +61.6721 +016.7221 +40 210 -12 02:40:14 +59.8963 +013.7031 +42 207 -14 02:40:44 +58.1494 +011.0575 +44 205 -16 02:41:14 +56.4321 +008.7068 +46 202 -18 02:41:43 +54.7441 +006.5929 +48 200 -20 02:42:13 +53.0841 +004.6719 +50 198 -22 02:42:43 +51.4508 +002.9102 +52 196 -23 02:43:13 +49.8426 +001.2814 +54 194 -25 02:43:43 +48.2577 -000.2354 +56 193 -27 02:44:13 +46.6946 -001.6570 +57 191 -29 02:44:43 +45.1517 -002.9970 +59 189 -30 02:45:13 +43.6274 -004.2668 +61 187 -32 02:45:42 +42.1202 -005.4756 +62 185 -33 02:46:12 +40.6289 -006.6314 +64 183 -35 02:46:42 +39.1520 -007.7408 +65 181 -37 02:47:12 +37.6884 -008.8096 +67 179 -38 02:47:42 +36.2368 -009.8426 +68 177 -40 02:48:12 +34.7962 -010.8442 +70 174 -41 02:48:42 +33.3655 -011.8180 +71 171 -43 02:49:12 +31.9437 -012.7675 +72 168 -44 02:49:41 +30.5297 -013.6955 +73 164 -46 02:50:11 +29.1228 -014.6047 +74 160 -47 02:50:41 +27.7218 -015.4975 +76 155 -49 02:51:11 +26.3261 -016.3760 +76 150 -50 02:51:41 +24.9348 -017.2423 +77 144 -52 02:52:11 +23.5469 -018.0981 +78 137 -53 02:52:41 +22.1617 -018.9452 +78 130 -54 02:53:11 +20.7784 -019.7853 +79 123 -56 02:53:40 +19.3962 -020.6198 +79 115 -57 02:54:10 +18.0143 -021.4502 +79 107 -59 02:54:40 +16.6319 -022.2780 +78 099 -60 02:55:10 +15.2481 -023.1045 +78 092 -62 02:55:40 +13.8622 -023.9312 +77 086 -63 02:56:10 +12.4734 -024.7592 +76 080 -64 02:56:40 +11.0807 -025.5902 +75 075 -66 02:57:10 +09.6833 -026.4254 +74 071 -67 02:57:39 +08.2803 -027.2663 +73 067 -68 02:58:09 +06.8708 -028.1143 +72 064 -70 02:58:39 +05.4537 -028.9711 +70 061 -71 02:59:09 +04.0280 -029.8383 +69 059 -72 02:59:39 +02.5926 -030.7177 +68 057 -74 03:00:09 +01.1463 -031.6111 +66 055 -75 03:00:39 -00.3121 -032.5206 +65 053 -76 03:01:09 -01.7840 -033.4484 +63 052 -77 03:01:38 -03.2709 -034.3972 +62 051 -78 03:02:08 -04.7744 -035.3696 +60 050 -79 03:02:38 -06.2963 -036.3689 +58 049 -79 03:03:08 -07.8386 -037.3985 +57 048 -80 03:03:38 -09.4034 -038.4627 +55 047 -80 03:04:08 -10.9933 -039.5661 +53 047 -79 03:04:38 -12.6112 -040.7143 +51 046 -79 03:05:07 -14.2602 -041.9140 +49 046 -78 03:05:37 -15.9442 -043.1731 +47 046 -77 03:06:07 -17.6676 -044.5012 +45 046 -75 03:06:37 -19.4358 -045.9103 +43 046 -74 03:07:07 -21.2552 -047.4154 +41 046 -72 03:07:37 -23.1339 -049.0360 +39 046 -70 03:08:07 -25.0822 -050.7977 +36 047 -68 03:08:37 -27.1133 -052.7355 +34 047 -66 03:09:06 -29.2457 -054.8992 +31 048 -63 03:09:36 -31.5053 -057.3635 +28 049 -61 03:10:06 -33.9327 -060.2492 +25 050 -58 03:10:36 -36.5971 -063.7740 +21 052 -54 03:11:06 -39.6424 -068.4133 +16 055 -50 03:11:36 -43.5237 -075.7540 +10 059 -43 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 02:35:15   +68.3010  +119.4667   +02  307  +24 02:35:45   +73.1199  +086.4042   +13  276  +13 02:36:15   +73.1582  +067.4888   +19  258  +08 02:36:45   +72.1219  +053.6789   +23  245  +04 02:37:15   +70.6208  +043.3894   +26  235  +01 02:37:44   +68.9118  +035.5291   +30  228  -02 02:38:14   +67.1160  +029.3507   +32  222  -05 02:38:44   +65.2931  +024.3583   +35  217  -07 02:39:14   +63.4734  +020.2227   +38  213  -09 02:39:44   +61.6721  +016.7221   +40  210  -12 02:40:14   +59.8963  +013.7031   +42  207  -14 02:40:44   +58.1494  +011.0575   +44  205  -16 02:41:14   +56.4321  +008.7068   +46  202  -18 02:41:43   +54.7441  +006.5929   +48  200  -20 02:42:13   +53.0841  +004.6719   +50  198  -22 02:42:43   +51.4508  +002.9102   +52  196  -23 02:43:13   +49.8426  +001.2814   +54  194  -25 02:43:43   +48.2577  -000.2354   +56  193  -27 02:44:13   +46.6946  -001.6570   +57  191  -29 02:44:43   +45.1517  -002.9970   +59  189  -30 02:45:13   +43.6274  -004.2668   +61  187  -32 02:45:42   +42.1202  -005.4756   +62  185  -33 02:46:12   +40.6289  -006.6314   +64  183  -35 02:46:42   +39.1520  -007.7408   +65  181  -37 02:47:12   +37.6884  -008.8096   +67  179  -38 02:47:42   +36.2368  -009.8426   +68  177  -40 02:48:12   +34.7962  -010.8442   +70  174  -41 02:48:42   +33.3655  -011.8180   +71  171  -43 02:49:12   +31.9437  -012.7675   +72  168  -44 02:49:41   +30.5297  -013.6955   +73  164  -46 02:50:11   +29.1228  -014.6047   +74  160  -47 02:50:41   +27.7218  -015.4975   +76  155  -49 02:51:11   +26.3261  -016.3760   +76  150  -50 02:51:41   +24.9348  -017.2423   +77  144  -52 02:52:11   +23.5469  -018.0981   +78  137  -53 02:52:41   +22.1617  -018.9452   +78  130  -54 02:53:11   +20.7784  -019.7853   +79  123  -56 02:53:40   +19.3962  -020.6198   +79  115  -57 02:54:10   +18.0143  -021.4502   +79  107  -59 02:54:40   +16.6319  -022.2780   +78  099  -60 02:55:10   +15.2481  -023.1045   +78  092  -62 02:55:40   +13.8622  -023.9312   +77  086  -63 02:56:10   +12.4734  -024.7592   +76  080  -64 02:56:40   +11.0807  -025.5902   +75  075  -66 02:57:10   +09.6833  -026.4254   +74  071  -67 02:57:39   +08.2803  -027.2663   +73  067  -68 02:58:09   +06.8708  -028.1143   +72  064  -70 02:58:39   +05.4537  -028.9711   +70  061  -71 02:59:09   +04.0280  -029.8383   +69  059  -72 02:59:39   +02.5926  -030.7177   +68  057  -74 03:00:09   +01.1463  -031.6111   +66  055  -75 03:00:39   -00.3121  -032.5206   +65  053  -76 03:01:09   -01.7840  -033.4484   +63  052  -77 03:01:38   -03.2709  -034.3972   +62  051  -78 03:02:08   -04.7744  -035.3696   +60  050  -79 03:02:38   -06.2963  -036.3689   +58  049  -79 03:03:08   -07.8386  -037.3985   +57  048  -80 03:03:38   -09.4034  -038.4627   +55  047  -80 03:04:08   -10.9933  -039.5661   +53  047  -79 03:04:38   -12.6112  -040.7143   +51  046  -79 03:05:07   -14.2602  -041.9140   +49  046  -78 03:05:37   -15.9442  -043.1731   +47  046  -77 03:06:07   -17.6676  -044.5012   +45  046  -75 03:06:37   -19.4358  -045.9103   +43  046  -74 03:07:07   -21.2552  -047.4154   +41  046  -72 03:07:37   -23.1339  -049.0360   +39  046  -70 03:08:07   -25.0822  -050.7977   +36  047  -68 03:08:37   -27.1133  -052.7355   +34  047  -66 03:09:06   -29.2457  -054.8992   +31  048  -63 03:09:36   -31.5053  -057.3635   +28  049  -61 03:10:06   -33.9327  -060.2492   +25  050  -58 03:10:36   -36.5971  -063.7740   +21  052  -54 03:11:06   -39.6424  -068.4133   +16  055  -50 03:11:36   -43.5237  -075.7540   +10  059  -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 --------------------------------------------- +69.2396 +112.2980 +68.2104 +123.5948 +72.4966 +084.2679 +73.7104 +088.9133 +72.4061 +066.5728 +73.9122 +068.6079 +71.3561 +053.5491 +72.8980 +053.8965 +69.8798 +043.7323 +71.3726 +043.0717 +68.2073 +036.1455 +69.6254 +034.9082 +66.4494 +030.1221 +67.7898 +028.5618 +64.6621 +025.2153 +65.9296 +023.4788 +62.8747 +021.1247 +64.0763 +019.2972 +61.1021 +017.6446 +62.2451 +015.7766 +59.3519 +014.6316 +60.4429 +012.7530 +57.6278 +011.9831 +58.6726 +010.1119 +55.9308 +009.6241 +56.9344 +007.7709 +54.2609 +007.4989 +55.2278 +005.6698 +52.6172 +005.5649 +53.5512 +003.7633 +50.9986 +003.7893 +51.9029 +002.0167 +49.4037 +002.1463 +50.2811 +000.4032 +47.8310 +000.6154 +48.6839 -001.0984 +46.2789 -000.8200 +47.1096 -002.5053 +44.7461 -002.1735 +45.5564 -003.8311 +43.2311 -003.4561 +44.0227 -005.0873 +41.7325 -004.6772 +42.5070 -006.2831 +40.2490 -005.8447 +41.0077 -007.4266 +38.7794 -006.9653 +39.5235 -008.5244 +37.3225 -008.0446 +38.0531 -009.5821 +35.8771 -009.0876 +36.5952 -010.6048 +34.4423 -010.0985 +35.1487 -011.5965 +33.0170 -011.0813 +33.7126 -012.5612 +31.6001 -012.0391 +32.2857 -013.5020 +30.1909 -012.9749 +30.8671 -014.4218 +28.7882 -013.8915 +29.4557 -015.3234 +27.3914 -014.7912 +28.0507 -016.2090 +25.9994 -015.6762 +26.6512 -017.0809 +24.6116 -016.5485 +25.2563 -017.9409 +23.2270 -017.4099 +23.8651 -018.7910 +21.8449 -018.2623 +22.4769 -019.6327 +20.4644 -019.1072 +21.0907 -020.4678 +19.0848 -019.9461 +19.7058 -021.2977 +17.7054 -020.7806 +18.3215 -022.1239 +16.3252 -021.6121 +16.9367 -022.9479 +14.9435 -022.4420 +15.5509 -023.7709 +13.5595 -023.2717 +14.1630 -024.5944 +12.1724 -024.1024 +12.7724 -025.4197 +10.7813 -024.9357 +11.3781 -026.2483 +09.3854 -025.7729 +09.9792 -027.0814 +07.9837 -026.6155 +08.5749 -027.9205 +06.5753 -027.4649 +07.1641 -028.7672 +05.1592 -028.3226 +05.7460 -029.6230 +03.7343 -029.1904 +04.3193 -030.4896 +02.2997 -030.0701 +02.8832 -031.3686 +00.8540 -030.9633 +01.4362 -032.2621 -00.6039 -031.8723 -00.0227 -033.1721 -02.0755 -032.7993 -01.4950 -034.1009 -03.5622 -033.7467 -02.9821 -035.0510 -05.0657 -034.7174 -04.4858 -036.0252 -06.5877 -035.7144 -06.0077 -037.0268 -08.1302 -036.7412 -07.5498 -038.0593 -09.6954 -037.8020 -09.1144 -039.1269 -11.2858 -038.9015 -10.7040 -040.2344 -12.9043 -040.0450 -12.3213 -041.3874 -14.5541 -041.2393 -13.9697 -042.5927 -16.2390 -042.4920 -15.6529 -043.8584 -17.9635 -043.8127 -17.3755 -045.1941 -19.7328 -045.2131 -19.1428 -046.6122 -21.5535 -046.7081 -20.9612 -048.1279 -23.4335 -048.3167 -22.8390 -049.7610 -25.3830 -050.0640 -24.7863 -051.5379 -27.4153 -051.9842 -26.8169 -053.4943 -29.5484 -054.1259 -28.9491 -055.6815 -31.8079 -056.5613 -31.2097 -058.1769 -34.2333 -059.4068 -33.6404 -061.1061 -36.8913 -062.8699 -36.3133 -064.6992 -39.9176 -067.3939 -39.3825 -069.4696 -43.7164 -074.3750 -43.3718 -077.2619 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.