Cora»OccDetail

Stellar Occultation by (980) Anacostia on 2025-09-25 (20:04:12 UT)

Event Details
Occultation UUID [and db] : 722c4430-ddb8-11f0-547e-8ffebedf6db7 [observed] Occultation Date + Time : 2025-09-25 at 20:04:12 UT +/- 0.01 min [1] Object Designation : (980) Anacostia Star Designation : GDR3 4093626105502232448 Star Coordinates (ICRF) : RA = 18 31 02.6061, DE = -17 44 55.669 [2] Star Magnitudes : G = 13.69 mag, RP = 12.7 mag, BP = 14.73 mag Object Magnitude : V = 12.57 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 5.8 sec Speed of the shadow : 15.0 km/s Object Mean Diameter : 86.2 km (src: astorb) => apparent = 58 mas Apparent Motion : 0.6100 arcs/min @ PA = 74 deg Horizontal Parallax : 4.3260 arcs Dynamical Class : MBA Elongation to Moon & Sun : 51° (sunlit = 14%), Sun = 94° Cross-track uncertainty : 2.7 mas = 3 km = 0.05 path-width (1-sig) RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 722c4430-ddb8-11f0-547e-8ffebedf6db7 [observed]

 Occultation Date + Time   : 2025-09-25 at 20:04:12 UT +/- 0.01 min  [1]
 Object Designation        : (980) Anacostia
 Star Designation          : GDR3 4093626105502232448
 Star Coordinates (ICRF)   : RA = 18 31 02.6061, DE = -17 44 55.669  [2]
 Star Magnitudes           : G = 13.69 mag, RP = 12.7 mag, BP = 14.73 mag
 Object Magnitude          : V = 12.57 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 5.8 sec
 Speed of the shadow       : 15.0 km/s
 Object Mean Diameter      : 86.2 km  (src: astorb) => apparent = 58 mas
 Apparent Motion           : 0.6100 arcs/min @ PA = 74 deg
 Horizontal Parallax       : 4.3260 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 51° (sunlit = 14%), Sun = 94°
 Cross-track uncertainty   : 2.7 mas = 3 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72
 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

(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 ---------------------------------------------- 19:58:55 +20.8260 -100.1100 +09 113 +59 19:59:02 +19.9312 -096.4303 +12 114 +57 19:59:08 +19.3180 -093.5936 +15 115 +55 19:59:14 +18.8521 -091.1903 +17 116 +54 19:59:21 +18.4814 -089.0622 +19 117 +52 19:59:27 +18.1791 -087.1284 +21 118 +51 19:59:33 +17.9294 -085.3410 +22 119 +49 19:59:40 +17.7217 -083.6687 +24 119 +48 19:59:46 +17.5489 -082.0900 +25 120 +46 19:59:52 +17.4058 -080.5890 +27 121 +45 19:59:59 +17.2882 -079.1540 +28 122 +44 20:00:05 +17.1933 -077.7757 +29 123 +43 20:00:11 +17.1184 -076.4468 +30 123 +41 20:00:17 +17.0616 -075.1614 +31 124 +40 20:00:24 +17.0212 -073.9145 +32 125 +39 20:00:30 +16.9959 -072.7022 +33 126 +38 20:00:36 +16.9845 -071.5210 +34 126 +37 20:00:43 +16.9861 -070.3678 +35 127 +36 20:00:49 +16.9997 -069.2401 +36 128 +35 20:00:55 +17.0246 -068.1357 +37 129 +34 20:01:02 +17.0603 -067.0527 +38 130 +33 20:01:08 +17.1061 -065.9892 +38 131 +31 20:01:14 +17.1615 -064.9439 +39 132 +30 20:01:21 +17.2261 -063.9151 +40 132 +29 20:01:27 +17.2995 -062.9019 +41 133 +28 20:01:33 +17.3813 -061.9029 +41 134 +28 20:01:40 +17.4713 -060.9171 +42 135 +27 20:01:46 +17.5691 -059.9437 +42 136 +26 20:01:52 +17.6745 -058.9817 +43 137 +25 20:01:59 +17.7873 -058.0304 +44 138 +24 20:02:05 +17.9073 -057.0890 +44 139 +23 20:02:11 +18.0343 -056.1568 +45 140 +22 20:02:18 +18.1681 -055.2332 +45 141 +21 20:02:24 +18.3085 -054.3176 +45 143 +20 20:02:30 +18.4555 -053.4094 +46 144 +19 20:02:37 +18.6090 -052.5080 +46 145 +18 20:02:43 +18.7687 -051.6130 +47 146 +17 20:02:49 +18.9347 -050.7238 +47 147 +16 20:02:56 +19.1068 -049.8401 +47 148 +16 20:03:02 +19.2850 -048.9613 +48 149 +15 20:03:08 +19.4692 -048.0870 +48 151 +14 20:03:14 +19.6594 -047.2169 +48 152 +13 20:03:21 +19.8555 -046.3504 +48 153 +12 20:03:27 +20.0574 -045.4873 +48 154 +11 20:03:33 +20.2653 -044.6271 +49 156 +10 20:03:40 +20.4790 -043.7695 +49 157 +10 20:03:46 +20.6985 -042.9141 +49 158 +09 20:03:52 +20.9238 -042.0606 +49 160 +08 20:03:59 +21.1550 -041.2085 +49 161 +07 20:04:05 +21.3920 -040.3575 +49 162 +06 20:04:11 +21.6349 -039.5073 +49 163 +05 20:04:18 +21.8837 -038.6575 +49 165 +05 20:04:24 +22.1385 -037.8078 +49 166 +04 20:04:30 +22.3992 -036.9578 +49 167 +03 20:04:37 +22.6660 -036.1070 +49 169 +02 20:04:43 +22.9389 -035.2553 +49 170 +01 20:04:49 +23.2180 -034.4021 +49 171 +01 20:04:56 +23.5033 -033.5471 +48 173 +00 20:05:02 +23.7950 -032.6898 +48 174 -01 20:05:08 +24.0931 -031.8300 +48 175 -02 20:05:15 +24.3977 -030.9671 +48 176 -03 20:05:21 +24.7091 -030.1007 +48 178 -04 20:05:27 +25.0273 -029.2304 +47 179 -04 20:05:34 +25.3524 -028.3557 +47 180 -05 20:05:40 +25.6846 -027.4761 +47 181 -06 20:05:46 +26.0242 -026.5910 +46 183 -07 20:05:53 +26.3712 -025.6999 +46 184 -08 20:05:59 +26.7259 -024.8022 +45 185 -08 20:06:05 +27.0886 -023.8973 +45 186 -09 20:06:11 +27.4594 -022.9846 +44 188 -10 20:06:18 +27.8387 -022.0633 +44 189 -11 20:06:24 +28.2267 -021.1326 +43 190 -12 20:06:30 +28.6238 -020.1918 +43 191 -12 20:06:37 +29.0303 -019.2399 +42 192 -13 20:06:43 +29.4466 -018.2760 +42 193 -14 20:06:49 +29.8732 -017.2990 +41 195 -15 20:06:56 +30.3105 -016.3078 +40 196 -16 20:07:02 +30.7590 -015.3012 +40 197 -17 20:07:08 +31.2194 -014.2776 +39 198 -17 20:07:15 +31.6922 -013.2357 +38 199 -18 20:07:21 +32.1783 -012.1735 +38 200 -19 20:07:27 +32.6783 -011.0893 +37 201 -20 20:07:34 +33.1934 -009.9808 +36 203 -21 20:07:40 +33.7244 -008.8456 +35 204 -21 20:07:46 +34.2726 -007.6807 +34 205 -22 20:07:53 +34.8393 -006.4829 +33 206 -23 20:07:59 +35.4263 -005.2484 +32 207 -24 20:08:05 +36.0352 -003.9726 +31 208 -25 20:08:12 +36.6684 -002.6503 +30 209 -26 20:08:18 +37.3284 -001.2750 +29 211 -26 20:08:24 +38.0186 +000.1611 +28 212 -27 20:08:31 +38.7426 +001.6678 +27 213 -28 20:08:37 +39.5057 +003.2574 +25 214 -29 20:08:43 +40.3140 +004.9459 +24 216 -30 20:08:50 +41.1761 +006.7548 +22 217 -31 20:08:56 +42.1034 +008.7137 +21 219 -31 20:09:02 +43.1127 +010.8659 +19 221 -32 20:09:08 +44.2294 +013.2786 +17 222 -33 20:09:15 +45.4968 +016.0668 +15 225 -34 20:09:21 +47.0000 +019.4605 +12 227 -35 20:09:27 +48.9648 +024.0786 +08 231 -35 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 19:58:55   +20.8260  -100.1100   +09  113  +59 19:59:02   +19.9312  -096.4303   +12  114  +57 19:59:08   +19.3180  -093.5936   +15  115  +55 19:59:14   +18.8521  -091.1903   +17  116  +54 19:59:21   +18.4814  -089.0622   +19  117  +52 19:59:27   +18.1791  -087.1284   +21  118  +51 19:59:33   +17.9294  -085.3410   +22  119  +49 19:59:40   +17.7217  -083.6687   +24  119  +48 19:59:46   +17.5489  -082.0900   +25  120  +46 19:59:52   +17.4058  -080.5890   +27  121  +45 19:59:59   +17.2882  -079.1540   +28  122  +44 20:00:05   +17.1933  -077.7757   +29  123  +43 20:00:11   +17.1184  -076.4468   +30  123  +41 20:00:17   +17.0616  -075.1614   +31  124  +40 20:00:24   +17.0212  -073.9145   +32  125  +39 20:00:30   +16.9959  -072.7022   +33  126  +38 20:00:36   +16.9845  -071.5210   +34  126  +37 20:00:43   +16.9861  -070.3678   +35  127  +36 20:00:49   +16.9997  -069.2401   +36  128  +35 20:00:55   +17.0246  -068.1357   +37  129  +34 20:01:02   +17.0603  -067.0527   +38  130  +33 20:01:08   +17.1061  -065.9892   +38  131  +31 20:01:14   +17.1615  -064.9439   +39  132  +30 20:01:21   +17.2261  -063.9151   +40  132  +29 20:01:27   +17.2995  -062.9019   +41  133  +28 20:01:33   +17.3813  -061.9029   +41  134  +28 20:01:40   +17.4713  -060.9171   +42  135  +27 20:01:46   +17.5691  -059.9437   +42  136  +26 20:01:52   +17.6745  -058.9817   +43  137  +25 20:01:59   +17.7873  -058.0304   +44  138  +24 20:02:05   +17.9073  -057.0890   +44  139  +23 20:02:11   +18.0343  -056.1568   +45  140  +22 20:02:18   +18.1681  -055.2332   +45  141  +21 20:02:24   +18.3085  -054.3176   +45  143  +20 20:02:30   +18.4555  -053.4094   +46  144  +19 20:02:37   +18.6090  -052.5080   +46  145  +18 20:02:43   +18.7687  -051.6130   +47  146  +17 20:02:49   +18.9347  -050.7238   +47  147  +16 20:02:56   +19.1068  -049.8401   +47  148  +16 20:03:02   +19.2850  -048.9613   +48  149  +15 20:03:08   +19.4692  -048.0870   +48  151  +14 20:03:14   +19.6594  -047.2169   +48  152  +13 20:03:21   +19.8555  -046.3504   +48  153  +12 20:03:27   +20.0574  -045.4873   +48  154  +11 20:03:33   +20.2653  -044.6271   +49  156  +10 20:03:40   +20.4790  -043.7695   +49  157  +10 20:03:46   +20.6985  -042.9141   +49  158  +09 20:03:52   +20.9238  -042.0606   +49  160  +08 20:03:59   +21.1550  -041.2085   +49  161  +07 20:04:05   +21.3920  -040.3575   +49  162  +06 20:04:11   +21.6349  -039.5073   +49  163  +05 20:04:18   +21.8837  -038.6575   +49  165  +05 20:04:24   +22.1385  -037.8078   +49  166  +04 20:04:30   +22.3992  -036.9578   +49  167  +03 20:04:37   +22.6660  -036.1070   +49  169  +02 20:04:43   +22.9389  -035.2553   +49  170  +01 20:04:49   +23.2180  -034.4021   +49  171  +01 20:04:56   +23.5033  -033.5471   +48  173  +00 20:05:02   +23.7950  -032.6898   +48  174  -01 20:05:08   +24.0931  -031.8300   +48  175  -02 20:05:15   +24.3977  -030.9671   +48  176  -03 20:05:21   +24.7091  -030.1007   +48  178  -04 20:05:27   +25.0273  -029.2304   +47  179  -04 20:05:34   +25.3524  -028.3557   +47  180  -05 20:05:40   +25.6846  -027.4761   +47  181  -06 20:05:46   +26.0242  -026.5910   +46  183  -07 20:05:53   +26.3712  -025.6999   +46  184  -08 20:05:59   +26.7259  -024.8022   +45  185  -08 20:06:05   +27.0886  -023.8973   +45  186  -09 20:06:11   +27.4594  -022.9846   +44  188  -10 20:06:18   +27.8387  -022.0633   +44  189  -11 20:06:24   +28.2267  -021.1326   +43  190  -12 20:06:30   +28.6238  -020.1918   +43  191  -12 20:06:37   +29.0303  -019.2399   +42  192  -13 20:06:43   +29.4466  -018.2760   +42  193  -14 20:06:49   +29.8732  -017.2990   +41  195  -15 20:06:56   +30.3105  -016.3078   +40  196  -16 20:07:02   +30.7590  -015.3012   +40  197  -17 20:07:08   +31.2194  -014.2776   +39  198  -17 20:07:15   +31.6922  -013.2357   +38  199  -18 20:07:21   +32.1783  -012.1735   +38  200  -19 20:07:27   +32.6783  -011.0893   +37  201  -20 20:07:34   +33.1934  -009.9808   +36  203  -21 20:07:40   +33.7244  -008.8456   +35  204  -21 20:07:46   +34.2726  -007.6807   +34  205  -22 20:07:53   +34.8393  -006.4829   +33  206  -23 20:07:59   +35.4263  -005.2484   +32  207  -24 20:08:05   +36.0352  -003.9726   +31  208  -25 20:08:12   +36.6684  -002.6503   +30  209  -26 20:08:18   +37.3284  -001.2750   +29  211  -26 20:08:24   +38.0186  +000.1611   +28  212  -27 20:08:31   +38.7426  +001.6678   +27  213  -28 20:08:37   +39.5057  +003.2574   +25  214  -29 20:08:43   +40.3140  +004.9459   +24  216  -30 20:08:50   +41.1761  +006.7548   +22  217  -31 20:08:56   +42.1034  +008.7137   +21  219  -31 20:09:02   +43.1127  +010.8659   +19  221  -32 20:09:08   +44.2294  +013.2786   +17  222  -33 20:09:15   +45.4968  +016.0668   +15  225  -34 20:09:21   +47.0000  +019.4605   +12  227  -35 20:09:27   +48.9648  +024.0786   +08  231  -35

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +21.8392 -101.9142 +19.9412 -098.6912 +20.7280 -097.5772 +19.1820 -095.4218 +20.0305 -094.4869 +18.6335 -092.7793 +19.5166 -091.9401 +18.2072 -090.4941 +19.1140 -089.7173 +17.8639 -088.4473 +18.7887 -087.7151 +17.5820 -086.5735 +18.5212 -085.8756 +17.3480 -084.8326 +18.2995 -084.1619 +17.1530 -083.1977 +18.1153 -082.5494 +16.9907 -081.6498 +17.9626 -081.0203 +16.8563 -080.1747 +17.8370 -079.5613 +16.7463 -078.7618 +17.7350 -078.1624 +16.6578 -077.4027 +17.6541 -076.8155 +16.5886 -076.0906 +17.5920 -075.5142 +16.5367 -074.8201 +17.5470 -074.2532 +16.5007 -073.5865 +17.5175 -073.0282 +16.4793 -072.3861 +17.5025 -071.8355 +16.4714 -071.2156 +17.5007 -070.6719 +16.4761 -070.0722 +17.5113 -069.5348 +16.4925 -068.9535 +17.5336 -068.4217 +16.5200 -067.8574 +17.5669 -067.3307 +16.5579 -066.7820 +17.6105 -066.2598 +16.6058 -065.7256 +17.6639 -065.2075 +16.6631 -064.6868 +17.7267 -064.1724 +16.7293 -063.6642 +17.7985 -063.1531 +16.8043 -062.6566 +17.8789 -062.1485 +16.8875 -061.6630 +17.9676 -061.1574 +16.9787 -060.6823 +18.0643 -060.1790 +17.0776 -059.7137 +18.1687 -059.2123 +17.1840 -058.7562 +18.2806 -058.2564 +17.2977 -057.8092 +18.3998 -057.3107 +17.4184 -056.8720 +18.5260 -056.3745 +17.5461 -055.9437 +18.6592 -055.4469 +17.6804 -055.0239 +18.7992 -054.5275 +17.8214 -054.1118 +18.9458 -053.6157 +17.9688 -053.2071 +19.0989 -052.7108 +18.1225 -052.3091 +19.2584 -051.8124 +18.2825 -051.4173 +19.4242 -050.9200 +18.4486 -050.5313 +19.5962 -050.0331 +18.6208 -049.6506 +19.7744 -049.1512 +18.7990 -048.7748 +19.9587 -048.2739 +18.9832 -047.9034 +20.1490 -047.4008 +19.1732 -047.0361 +20.3453 -046.5314 +19.3691 -046.1725 +20.5476 -045.6655 +19.5708 -045.3121 +20.7557 -044.8025 +19.7783 -044.4547 +20.9698 -043.9421 +19.9916 -043.5997 +21.1899 -043.0839 +20.2106 -042.7470 +21.4158 -042.2276 +20.4354 -041.8961 +21.6476 -041.3728 +20.6659 -041.0466 +21.8853 -040.5191 +20.9023 -040.1983 +22.1290 -039.6662 +21.1444 -039.3507 +22.3787 -038.8137 +21.3924 -038.5036 +22.6344 -037.9612 +21.6463 -037.6565 +22.8961 -037.1083 +21.9060 -036.8092 +23.1640 -036.2548 +22.1717 -035.9611 +23.4381 -035.4002 +22.4435 -035.1121 +23.7184 -034.5441 +22.7213 -034.2617 +24.0051 -033.6862 +23.0054 -033.4096 +24.2982 -032.8259 +23.2956 -032.5552 +24.5978 -031.9630 +23.5923 -031.6984 +24.9042 -031.0970 +23.8954 -030.8385 +25.2172 -030.2274 +24.2051 -029.9753 +25.5372 -029.3537 +24.5215 -029.1082 +25.8643 -028.4755 +24.8447 -028.2368 +26.1986 -027.5923 +25.1750 -027.3607 +26.5404 -026.7035 +25.5124 -026.4792 +26.8897 -025.8086 +25.8572 -025.5918 +27.2469 -024.9069 +26.2096 -024.6980 +27.6122 -023.9978 +26.5697 -023.7972 +27.9857 -023.0806 +26.9379 -022.8887 +28.3679 -022.1547 +27.3144 -021.9719 +28.7591 -021.2191 +27.6994 -021.0459 +29.1594 -020.2731 +28.0933 -020.1100 +29.5694 -019.3158 +28.4965 -019.1634 +29.9895 -018.3461 +28.9092 -018.2051 +30.4200 -017.3630 +29.3320 -017.2341 +30.8615 -016.3652 +29.7653 -016.2492 +31.3146 -015.3515 +30.2095 -015.2493 +31.7798 -014.3203 +30.6652 -014.2330 +32.2578 -013.2702 +31.1331 -013.1989 +32.7494 -012.1992 +31.6139 -012.1453 +33.2554 -011.1053 +32.1083 -011.0703 +33.7769 -009.9863 +32.6171 -009.9718 +34.3150 -008.8395 +33.1415 -008.8475 +34.8708 -007.6619 +33.6825 -007.6947 +35.4459 -006.4500 +34.2413 -006.5102 +36.0420 -005.1997 +34.8196 -005.2906 +36.6610 -003.9063 +35.4191 -004.0315 +37.3055 -002.5640 +36.0417 -002.7279 +37.9781 -001.1658 +36.6900 -001.3740 +38.6824 +000.2967 +37.3669 +000.0375 +39.4227 +001.8343 +38.0759 +001.5156 +40.2045 +003.4607 +38.8216 +003.0715 +41.0349 +005.1936 +39.6097 +004.7195 +41.9236 +007.0575 +40.4477 +006.4788 +42.8837 +009.0865 +41.3456 +008.3752 +43.9350 +011.3318 +42.3178 +010.4459 +45.1087 +013.8755 +43.3855 +012.7469 +46.4605 +016.8658 +44.5832 +015.3701 +48.1100 +020.6267 +45.9745 +018.4865 +50.4580 +026.2603 +47.7046 +022.4941 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.