Cora»OccDetail

Stellar Occultation by (121229) 1999 RC30 on 2025-09-12 (21:24:49 UT)

Event Details
Occultation UUID [and db] : 6cc04920-ddb7-11f0-547e-8701fffa8bc6 [observed] Occultation Date + Time : 2025-09-12 at 21:24:49 UT +/- 0.01 min [1] Object Designation : (121229) 1999 RC30 Star Designation : GDR3 2840056508985366528 Star Coordinates (ICRF) : RA = 23 26 50.7315, DE = +24 10 48.017 [2] Star Magnitudes : G = 11.42 mag, RP = 10.9 mag, BP = 11.77 mag Object Magnitude : V = 18.81 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 14.8 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.7400 arcs/min @ PA = 279 deg Horizontal Parallax : 5.3130 arcs Dynamical Class : MBA Elongation to Moon & Sun : 58° (sunlit = 68%), Sun = 152° Cross-track uncertainty : 3.7 mas = 4 km = 1.27 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 6cc04920-ddb7-11f0-547e-8701fffa8bc6 [observed] Occultation Date + Time : 2025-09-12 at 21:24:49 UT +/- 0.01 min [1] Object Designation : (121229) 1999 RC30 Star Designation : GDR3 2840056508985366528 Star Coordinates (ICRF) : RA = 23 26 50.7315, DE = +24 10 48.017 [2] Star Magnitudes : G = 11.42 mag, RP = 10.9 mag, BP = 11.77 mag Object Magnitude : V = 18.81 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 14.8 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.7400 arcs/min @ PA = 279 deg Horizontal Parallax : 5.3130 arcs Dynamical Class : MBA Elongation to Moon & Sun : 58° (sunlit = 68%), Sun = 152° Cross-track uncertainty : 3.7 mas = 4 km = 1.27 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#37 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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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 21:18:21 +16.5419 +135.1739 +02 295 +07 21:18:29 +20.2397 +127.3762 +10 292 -01 21:18:36 +22.1762 +123.3957 +15 291 -04 21:18:44 +23.7041 +120.2766 +18 289 -07 21:18:51 +25.0155 +117.6022 +20 288 -09 21:18:59 +26.1865 +115.2087 +23 287 -11 21:19:06 +27.2565 +113.0117 +25 286 -13 21:19:14 +28.2489 +110.9607 +27 284 -14 21:19:21 +29.1792 +109.0228 +29 283 -16 21:19:29 +30.0581 +107.1753 +31 282 -17 21:19:36 +30.8934 +105.4014 +32 281 -18 21:19:44 +31.6911 +103.6885 +34 280 -19 21:19:51 +32.4557 +102.0268 +35 278 -20 21:19:59 +33.1909 +100.4084 +37 277 -21 21:20:06 +33.8996 +098.8270 +38 276 -22 21:20:14 +34.5843 +097.2773 +39 275 -23 21:20:21 +35.2469 +095.7548 +41 273 -24 21:20:29 +35.8892 +094.2558 +42 272 -25 21:20:36 +36.5126 +092.7770 +43 270 -26 21:20:44 +37.1182 +091.3156 +44 269 -26 21:20:51 +37.7073 +089.8691 +45 267 -27 21:20:59 +38.2806 +088.4354 +46 266 -28 21:21:06 +38.8389 +087.0123 +47 264 -28 21:21:14 +39.3830 +085.5982 +48 263 -29 21:21:21 +39.9135 +084.1916 +49 261 -30 21:21:29 +40.4308 +082.7909 +50 259 -30 21:21:36 +40.9355 +081.3948 +51 258 -31 21:21:44 +41.4279 +080.0021 +52 256 -31 21:21:51 +41.9085 +078.6117 +53 254 -32 21:21:59 +42.3774 +077.2226 +54 252 -32 21:22:06 +42.8350 +075.8338 +55 250 -32 21:22:14 +43.2814 +074.4444 +55 248 -33 21:22:21 +43.7170 +073.0535 +56 246 -33 21:22:29 +44.1418 +071.6604 +57 244 -34 21:22:36 +44.5561 +070.2643 +57 242 -34 21:22:44 +44.9598 +068.8646 +58 239 -34 21:22:51 +45.3532 +067.4605 +59 237 -34 21:22:59 +45.7362 +066.0515 +59 235 -35 21:23:06 +46.1090 +064.6369 +60 232 -35 21:23:14 +46.4715 +063.2162 +60 230 -35 21:23:21 +46.8237 +061.7890 +61 227 -35 21:23:29 +47.1658 +060.3546 +61 224 -35 21:23:36 +47.4976 +058.9126 +62 222 -36 21:23:44 +47.8191 +057.4626 +62 219 -36 21:23:51 +48.1303 +056.0042 +62 216 -36 21:23:59 +48.4311 +054.5369 +63 213 -36 21:24:06 +48.7215 +053.0604 +63 210 -36 21:24:14 +49.0012 +051.5743 +63 207 -36 21:24:21 +49.2704 +050.0784 +63 204 -36 21:24:29 +49.5288 +048.5722 +63 201 -36 21:24:36 +49.7763 +047.0556 +64 198 -36 21:24:44 +50.0128 +045.5283 +64 195 -36 21:24:51 +50.2382 +043.9900 +64 192 -36 21:24:59 +50.4522 +042.4406 +64 188 -36 21:25:06 +50.6548 +040.8798 +63 185 -35 21:25:14 +50.8458 +039.3074 +63 182 -35 21:25:21 +51.0249 +037.7233 +63 179 -35 21:25:29 +51.1921 +036.1274 +63 176 -35 21:25:36 +51.3470 +034.5196 +63 173 -35 21:25:44 +51.4896 +032.8996 +62 170 -35 21:25:51 +51.6195 +031.2676 +62 167 -34 21:25:59 +51.7366 +029.6234 +62 164 -34 21:26:06 +51.8406 +027.9668 +61 161 -34 21:26:14 +51.9312 +026.2980 +61 158 -33 21:26:21 +52.0083 +024.6169 +60 155 -33 21:26:29 +52.0715 +022.9234 +60 152 -33 21:26:36 +52.1206 +021.2174 +59 149 -32 21:26:44 +52.1552 +019.4991 +59 146 -32 21:26:51 +52.1752 +017.7683 +58 144 -32 21:26:59 +52.1801 +016.0251 +57 141 -31 21:27:06 +52.1696 +014.2693 +57 138 -31 21:27:14 +52.1434 +012.5009 +56 136 -30 21:27:21 +52.1011 +010.7199 +55 133 -30 21:27:29 +52.0424 +008.9261 +55 131 -29 21:27:36 +51.9668 +007.1193 +54 128 -29 21:27:44 +51.8739 +005.2994 +53 126 -28 21:27:51 +51.7632 +003.4661 +52 124 -28 21:27:59 +51.6343 +001.6191 +51 121 -27 21:28:06 +51.4865 -000.2421 +50 119 -26 21:28:14 +51.3194 -002.1179 +49 117 -26 21:28:21 +51.1322 -004.0089 +48 114 -25 21:28:29 +50.9243 -005.9158 +47 112 -24 21:28:36 +50.6949 -007.8397 +46 110 -23 21:28:44 +50.4432 -009.7814 +45 108 -23 21:28:51 +50.1682 -011.7424 +44 106 -22 21:28:59 +49.8687 -013.7243 +43 104 -21 21:29:06 +49.5437 -015.7288 +42 102 -20 21:29:14 +49.1916 -017.7582 +41 100 -19 21:29:21 +48.8108 -019.8152 +39 098 -18 21:29:29 +48.3995 -021.9032 +38 096 -17 21:29:36 +47.9553 -024.0260 +37 094 -16 21:29:44 +47.4756 -026.1886 +35 092 -15 21:29:51 +46.9572 -028.3971 +34 090 -14 21:29:59 +46.3960 -030.6591 +32 088 -13 21:30:06 +45.7869 -032.9842 +31 086 -11 21:30:14 +45.1236 -035.3850 +29 084 -10 21:30:21 +44.3974 -037.8785 +27 082 -08 21:30:29 +43.5969 -040.4877 +25 080 -07 21:30:36 +42.7053 -043.2461 +23 078 -05 21:30:44 +41.6977 -046.2047 +21 076 -03 21:30:51 +40.5327 -049.4482 +18 073 -01 21:30:59 +39.1323 -053.1377 +15 071 +02 21:31:06 +37.3095 -057.6639 +11 068 +05 21:31:14 +34.1368 -064.9831 +04 064 +11 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:18:21   +16.5419  +135.1739   +02  295  +07 21:18:29   +20.2397  +127.3762   +10  292  -01 21:18:36   +22.1762  +123.3957   +15  291  -04 21:18:44   +23.7041  +120.2766   +18  289  -07 21:18:51   +25.0155  +117.6022   +20  288  -09 21:18:59   +26.1865  +115.2087   +23  287  -11 21:19:06   +27.2565  +113.0117   +25  286  -13 21:19:14   +28.2489  +110.9607   +27  284  -14 21:19:21   +29.1792  +109.0228   +29  283  -16 21:19:29   +30.0581  +107.1753   +31  282  -17 21:19:36   +30.8934  +105.4014   +32  281  -18 21:19:44   +31.6911  +103.6885   +34  280  -19 21:19:51   +32.4557  +102.0268   +35  278  -20 21:19:59   +33.1909  +100.4084   +37  277  -21 21:20:06   +33.8996  +098.8270   +38  276  -22 21:20:14   +34.5843  +097.2773   +39  275  -23 21:20:21   +35.2469  +095.7548   +41  273  -24 21:20:29   +35.8892  +094.2558   +42  272  -25 21:20:36   +36.5126  +092.7770   +43  270  -26 21:20:44   +37.1182  +091.3156   +44  269  -26 21:20:51   +37.7073  +089.8691   +45  267  -27 21:20:59   +38.2806  +088.4354   +46  266  -28 21:21:06   +38.8389  +087.0123   +47  264  -28 21:21:14   +39.3830  +085.5982   +48  263  -29 21:21:21   +39.9135  +084.1916   +49  261  -30 21:21:29   +40.4308  +082.7909   +50  259  -30 21:21:36   +40.9355  +081.3948   +51  258  -31 21:21:44   +41.4279  +080.0021   +52  256  -31 21:21:51   +41.9085  +078.6117   +53  254  -32 21:21:59   +42.3774  +077.2226   +54  252  -32 21:22:06   +42.8350  +075.8338   +55  250  -32 21:22:14   +43.2814  +074.4444   +55  248  -33 21:22:21   +43.7170  +073.0535   +56  246  -33 21:22:29   +44.1418  +071.6604   +57  244  -34 21:22:36   +44.5561  +070.2643   +57  242  -34 21:22:44   +44.9598  +068.8646   +58  239  -34 21:22:51   +45.3532  +067.4605   +59  237  -34 21:22:59   +45.7362  +066.0515   +59  235  -35 21:23:06   +46.1090  +064.6369   +60  232  -35 21:23:14   +46.4715  +063.2162   +60  230  -35 21:23:21   +46.8237  +061.7890   +61  227  -35 21:23:29   +47.1658  +060.3546   +61  224  -35 21:23:36   +47.4976  +058.9126   +62  222  -36 21:23:44   +47.8191  +057.4626   +62  219  -36 21:23:51   +48.1303  +056.0042   +62  216  -36 21:23:59   +48.4311  +054.5369   +63  213  -36 21:24:06   +48.7215  +053.0604   +63  210  -36 21:24:14   +49.0012  +051.5743   +63  207  -36 21:24:21   +49.2704  +050.0784   +63  204  -36 21:24:29   +49.5288  +048.5722   +63  201  -36 21:24:36   +49.7763  +047.0556   +64  198  -36 21:24:44   +50.0128  +045.5283   +64  195  -36 21:24:51   +50.2382  +043.9900   +64  192  -36 21:24:59   +50.4522  +042.4406   +64  188  -36 21:25:06   +50.6548  +040.8798   +63  185  -35 21:25:14   +50.8458  +039.3074   +63  182  -35 21:25:21   +51.0249  +037.7233   +63  179  -35 21:25:29   +51.1921  +036.1274   +63  176  -35 21:25:36   +51.3470  +034.5196   +63  173  -35 21:25:44   +51.4896  +032.8996   +62  170  -35 21:25:51   +51.6195  +031.2676   +62  167  -34 21:25:59   +51.7366  +029.6234   +62  164  -34 21:26:06   +51.8406  +027.9668   +61  161  -34 21:26:14   +51.9312  +026.2980   +61  158  -33 21:26:21   +52.0083  +024.6169   +60  155  -33 21:26:29   +52.0715  +022.9234   +60  152  -33 21:26:36   +52.1206  +021.2174   +59  149  -32 21:26:44   +52.1552  +019.4991   +59  146  -32 21:26:51   +52.1752  +017.7683   +58  144  -32 21:26:59   +52.1801  +016.0251   +57  141  -31 21:27:06   +52.1696  +014.2693   +57  138  -31 21:27:14   +52.1434  +012.5009   +56  136  -30 21:27:21   +52.1011  +010.7199   +55  133  -30 21:27:29   +52.0424  +008.9261   +55  131  -29 21:27:36   +51.9668  +007.1193   +54  128  -29 21:27:44   +51.8739  +005.2994   +53  126  -28 21:27:51   +51.7632  +003.4661   +52  124  -28 21:27:59   +51.6343  +001.6191   +51  121  -27 21:28:06   +51.4865  -000.2421   +50  119  -26 21:28:14   +51.3194  -002.1179   +49  117  -26 21:28:21   +51.1322  -004.0089   +48  114  -25 21:28:29   +50.9243  -005.9158   +47  112  -24 21:28:36   +50.6949  -007.8397   +46  110  -23 21:28:44   +50.4432  -009.7814   +45  108  -23 21:28:51   +50.1682  -011.7424   +44  106  -22 21:28:59   +49.8687  -013.7243   +43  104  -21 21:29:06   +49.5437  -015.7288   +42  102  -20 21:29:14   +49.1916  -017.7582   +41  100  -19 21:29:21   +48.8108  -019.8152   +39  098  -18 21:29:29   +48.3995  -021.9032   +38  096  -17 21:29:36   +47.9553  -024.0260   +37  094  -16 21:29:44   +47.4756  -026.1886   +35  092  -15 21:29:51   +46.9572  -028.3971   +34  090  -14 21:29:59   +46.3960  -030.6591   +32  088  -13 21:30:06   +45.7869  -032.9842   +31  086  -11 21:30:14   +45.1236  -035.3850   +29  084  -10 21:30:21   +44.3974  -037.8785   +27  082  -08 21:30:29   +43.5969  -040.4877   +25  080  -07 21:30:36   +42.7053  -043.2461   +23  078  -05 21:30:44   +41.6977  -046.2047   +21  076  -03 21:30:51   +40.5327  -049.4482   +18  073  -01 21:30:59   +39.1323  -053.1377   +15  071  +02 21:31:06   +37.3095  -057.6639   +11  068  +05 21:31:14   +34.1368  -064.9831   +04  064  +11

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +16.6047 +134.9962 +16.4718 +135.3676 +20.2415 +127.3318 +20.2378 +127.4207 +22.1732 +123.3614 +22.1792 +123.4300 +23.6988 +120.2468 +23.7093 +120.3063 +25.0089 +117.5752 +25.0222 +117.6293 +26.1789 +115.1835 +26.1941 +115.2339 +27.2481 +112.9879 +27.2648 +113.0355 +28.2399 +110.9379 +28.2578 +110.9834 +29.1697 +109.0009 +29.1886 +109.0447 +30.0482 +107.1541 +30.0680 +107.1965 +30.8831 +105.3808 +30.9037 +105.4220 +31.6805 +103.6685 +31.7017 +103.7086 +32.4448 +102.0072 +32.4667 +102.0464 +33.1797 +100.3893 +33.2021 +100.4276 +33.8881 +098.8083 +33.9111 +098.8458 +34.5726 +097.2589 +34.5960 +097.2957 +35.2350 +095.7368 +35.2589 +095.7729 +35.8770 +094.2381 +35.9014 +094.2736 +36.5002 +092.7596 +36.5250 +092.7945 +37.1056 +091.2985 +37.1308 +091.3328 +37.6944 +089.8523 +37.7201 +089.8860 +38.2675 +088.4187 +38.2936 +088.4520 +38.8257 +086.9960 +38.8521 +087.0287 +39.3697 +085.5822 +39.3964 +085.6143 +39.9000 +084.1758 +39.9270 +084.2074 +40.4171 +082.7753 +40.4446 +082.8064 +40.9216 +081.3795 +40.9494 +081.4101 +41.4139 +079.9871 +41.4420 +080.0172 +41.8943 +078.5970 +41.9227 +078.6265 +42.3630 +077.2081 +42.3917 +077.2371 +42.8205 +075.8196 +42.8495 +075.8480 +43.2668 +074.4304 +43.2961 +074.4583 +43.7022 +073.0398 +43.7318 +073.0672 +44.1269 +071.6470 +44.1568 +071.6738 +44.5410 +070.2512 +44.5712 +070.2774 +44.9446 +068.8518 +44.9750 +068.8773 +45.3378 +067.4480 +45.3685 +067.4730 +45.7207 +066.0393 +45.7517 +066.0636 +46.0933 +064.6251 +46.1246 +064.6487 +46.4557 +063.2048 +46.4872 +063.2277 +46.8079 +061.7779 +46.8396 +061.8001 +47.1498 +060.3438 +47.1818 +060.3653 +47.4815 +058.9022 +47.5137 +058.9230 +47.8029 +057.4526 +47.8353 +057.4726 +48.1140 +055.9946 +48.1466 +056.0138 +48.4147 +054.5277 +48.4476 +054.5461 +48.7049 +053.0516 +48.7380 +053.0691 +48.9846 +051.5660 +49.0179 +051.5826 +49.2536 +050.0705 +49.2871 +050.0862 +49.5119 +048.5648 +49.5456 +048.5796 +49.7594 +047.0487 +49.7932 +047.0626 +49.9958 +045.5219 +50.0298 +045.5348 +50.2211 +043.9841 +50.2552 +043.9960 +50.4351 +042.4352 +50.4694 +042.4460 +50.6376 +040.8749 +50.6720 +040.8846 +50.8285 +039.3031 +50.8631 +039.3117 +51.0076 +037.7195 +51.0423 +037.7271 +51.1747 +036.1242 +51.2095 +036.1306 +51.3296 +034.5169 +51.3645 +034.5222 +51.4721 +032.8976 +51.5071 +032.9017 +51.6020 +031.2662 +51.6371 +031.2690 +51.7190 +029.6226 +51.7542 +029.6241 +51.8230 +027.9667 +51.8582 +027.9670 +51.9137 +026.2985 +51.9488 +026.2975 +51.9907 +024.6180 +52.0259 +024.6157 +52.0539 +022.9252 +52.0891 +022.9215 +52.1030 +021.2199 +52.1382 +021.2149 +52.1377 +019.5023 +52.1728 +019.4959 +52.1577 +017.7722 +52.1927 +017.7644 +52.1626 +016.0297 +52.1976 +016.0205 +52.1522 +014.2746 +52.1870 +014.2640 +52.1260 +012.5069 +52.1608 +012.4949 +52.0838 +010.7266 +52.1185 +010.7132 +52.0252 +008.9335 +52.0597 +008.9186 +51.9496 +007.1275 +51.9840 +007.1111 +51.8568 +005.3083 +51.8910 +005.2905 +51.7463 +003.4757 +51.7802 +003.4564 +51.6174 +001.6294 +51.6511 +001.6087 +51.4698 -000.2310 +51.5032 -000.2532 +51.3028 -002.1060 +51.3359 -002.1297 +51.1158 -003.9963 +51.1486 -004.0215 +50.9081 -005.9025 +50.9406 -005.9292 +50.6789 -007.8256 +50.7110 -007.8538 +50.4273 -009.7666 +50.4591 -009.7963 +50.1525 -011.7269 +50.1838 -011.7581 +49.8533 -013.7079 +49.8841 -013.7406 +49.5285 -015.7116 +49.5588 -015.7459 +49.1766 -017.7403 +49.2065 -017.7761 +48.7962 -019.7965 +48.8254 -019.8339 +48.3851 -021.8837 +48.4138 -021.9226 +47.9413 -024.0057 +47.9693 -024.0463 +47.4620 -026.1675 +47.4892 -026.2098 +46.9440 -028.3751 +46.9704 -028.4192 +46.3832 -030.6361 +46.4087 -030.6821 +45.7746 -032.9602 +45.7992 -033.0082 +45.1119 -035.3599 +45.1353 -035.4102 +44.3864 -037.8522 +44.4085 -037.9049 +43.5866 -040.4599 +43.6072 -040.5155 +42.6960 -043.2166 +42.7147 -043.2757 +41.6895 -046.1729 +41.7059 -046.2365 +40.5261 -049.4133 +40.5392 -049.4831 +39.1283 -053.0980 +39.1363 -053.1775 +37.3104 -057.6142 +37.3085 -057.7138 +34.1652 -064.8759 +34.1074 -065.0924 Azimuth (Azm) measured from North to East.

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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.