Cora»OccDetail

Stellar Occultation by (283) Emma on 2025-10-24 (22:34:22 UT)

Event Details
Occultation UUID [and db] : a0809e30-ddb8-11f0-547e-c18ae73f4740 [observed] Occultation Date + Time : 2025-10-24 at 22:34:22 UT +/- 0.01 min [1] Object Designation : (283) Emma Star Designation : GDR3 0106608342487425792 Star Coordinates (ICRF) : RA = 02 24 53.8544, DE = +27 35 11.496 [2] Star Magnitudes : G = 13.64 mag, RP = 13.13 mag, BP = 13.98 mag Object Magnitude : V = 12.59 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 14.2 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 148.1 km (src: astorb) => apparent = 119 mas Apparent Motion : 0.5033 arcs/min @ PA = 254 deg Horizontal Parallax : 5.1220 arcs Dynamical Class : MBA Elongation to Moon & Sun : 153° (sunlit = 10%), Sun = 163° Cross-track uncertainty : 1.7 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#121 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : a0809e30-ddb8-11f0-547e-c18ae73f4740 [observed]

 Occultation Date + Time   : 2025-10-24 at 22:34:22 UT +/- 0.01 min  [1]
 Object Designation        : (283) Emma
 Star Designation          : GDR3 0106608342487425792
 Star Coordinates (ICRF)   : RA = 02 24 53.8544, DE = +27 35 11.496  [2]
 Star Magnitudes           : G = 13.64 mag, RP = 13.13 mag, BP = 13.98 mag
 Object Magnitude          : V = 12.59 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 14.2 sec
 Speed of the shadow       : 10.5 km/s
 Object Mean Diameter      : 148.1 km  (src: astorb) => apparent = 119 mas
 Apparent Motion           : 0.5033 arcs/min @ PA = 254 deg
 Horizontal Parallax       : 5.1220 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 10%), Sun = 163°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#121
 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 ---------------------------------------------- 22:25:01 +36.5481 +132.4541 +05 301 +10 22:25:16 +41.2251 +122.8425 +13 295 +02 22:25:32 +43.7147 +116.9427 +18 291 -03 22:25:47 +45.5636 +112.0372 +22 287 -07 22:26:03 +47.0536 +107.6410 +25 284 -10 22:26:18 +48.2999 +103.5600 +28 281 -13 22:26:34 +49.3629 +099.6947 +31 278 -15 22:26:49 +50.2790 +095.9872 +33 274 -18 22:27:05 +51.0721 +092.4007 +36 271 -20 22:27:20 +51.7592 +088.9110 +38 268 -22 22:27:36 +52.3525 +085.5017 +40 265 -24 22:27:51 +52.8614 +082.1614 +42 261 -26 22:28:07 +53.2934 +078.8822 +43 258 -27 22:28:22 +53.6545 +075.6589 +45 255 -29 22:28:38 +53.9496 +072.4878 +47 252 -31 22:28:53 +54.1832 +069.3667 +49 248 -32 22:29:09 +54.3588 +066.2942 +50 245 -34 22:29:24 +54.4798 +063.2697 +52 241 -35 22:29:40 +54.5490 +060.2930 +53 238 -36 22:29:55 +54.5692 +057.3641 +54 234 -38 22:30:11 +54.5428 +054.4833 +56 230 -39 22:30:26 +54.4721 +051.6509 +57 227 -40 22:30:42 +54.3591 +048.8673 +58 223 -41 22:30:57 +54.2060 +046.1326 +59 219 -43 22:31:13 +54.0146 +043.4470 +60 215 -44 22:31:28 +53.7866 +040.8105 +61 211 -45 22:31:44 +53.5237 +038.2229 +62 206 -46 22:31:59 +53.2275 +035.6838 +63 202 -47 22:32:15 +52.8994 +033.1928 +64 198 -47 22:32:30 +52.5410 +030.7492 +65 193 -48 22:32:46 +52.1533 +028.3522 +65 188 -49 22:33:02 +51.7378 +026.0007 +66 183 -50 22:33:17 +51.2955 +023.6937 +66 179 -50 22:33:33 +50.8274 +021.4298 +67 174 -51 22:33:48 +50.3346 +019.2078 +67 169 -52 22:34:04 +49.8180 +017.0260 +67 164 -52 22:34:19 +49.2783 +014.8830 +67 159 -53 22:34:35 +48.7163 +012.7770 +67 154 -53 22:34:50 +48.1326 +010.7064 +67 149 -54 22:35:06 +47.5278 +008.6693 +67 144 -54 22:35:21 +46.9024 +006.6639 +66 139 -54 22:35:37 +46.2568 +004.6884 +66 135 -54 22:35:52 +45.5914 +002.7407 +66 130 -54 22:36:08 +44.9065 +000.8188 +65 126 -54 22:36:23 +44.2021 -001.0792 +64 122 -54 22:36:39 +43.4784 -002.9556 +63 118 -54 22:36:54 +42.7354 -004.8123 +63 114 -54 22:37:10 +41.9731 -006.6517 +62 111 -54 22:37:25 +41.1912 -008.4761 +61 108 -54 22:37:41 +40.3894 -010.2878 +60 104 -53 22:37:56 +39.5674 -012.0892 +59 102 -53 22:38:12 +38.7247 -013.8831 +57 099 -52 22:38:27 +37.8606 -015.6720 +56 096 -52 22:38:43 +36.9743 -017.4590 +55 094 -51 22:38:58 +36.0649 -019.2472 +53 091 -50 22:39:14 +35.1311 -021.0399 +52 089 -49 22:39:29 +34.1717 -022.8409 +51 087 -48 22:39:45 +33.1848 -024.6545 +49 085 -47 22:40:00 +32.1685 -026.4851 +48 083 -46 22:40:16 +31.1204 -028.3382 +46 081 -45 22:40:31 +30.0376 -030.2200 +44 079 -44 22:40:47 +28.9164 -032.1376 +42 078 -42 22:41:02 +27.7524 -034.0999 +40 076 -41 22:41:18 +26.5400 -036.1175 +38 075 -39 22:41:34 +25.2722 -038.2038 +36 073 -38 22:41:49 +23.9395 -040.3764 +34 072 -36 22:42:05 +22.5293 -042.6585 +32 071 -34 22:42:20 +21.0238 -045.0829 +29 069 -32 22:42:36 +19.3966 -047.6980 +26 068 -29 22:42:51 +17.6052 -050.5818 +23 067 -26 22:43:07 +15.5736 -053.8750 +20 066 -23 22:43:22 +13.1336 -057.8894 +15 065 -19 22:43:38 +09.6917 -063.7368 +08 063 -13 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:25:01   +36.5481  +132.4541   +05  301  +10 22:25:16   +41.2251  +122.8425   +13  295  +02 22:25:32   +43.7147  +116.9427   +18  291  -03 22:25:47   +45.5636  +112.0372   +22  287  -07 22:26:03   +47.0536  +107.6410   +25  284  -10 22:26:18   +48.2999  +103.5600   +28  281  -13 22:26:34   +49.3629  +099.6947   +31  278  -15 22:26:49   +50.2790  +095.9872   +33  274  -18 22:27:05   +51.0721  +092.4007   +36  271  -20 22:27:20   +51.7592  +088.9110   +38  268  -22 22:27:36   +52.3525  +085.5017   +40  265  -24 22:27:51   +52.8614  +082.1614   +42  261  -26 22:28:07   +53.2934  +078.8822   +43  258  -27 22:28:22   +53.6545  +075.6589   +45  255  -29 22:28:38   +53.9496  +072.4878   +47  252  -31 22:28:53   +54.1832  +069.3667   +49  248  -32 22:29:09   +54.3588  +066.2942   +50  245  -34 22:29:24   +54.4798  +063.2697   +52  241  -35 22:29:40   +54.5490  +060.2930   +53  238  -36 22:29:55   +54.5692  +057.3641   +54  234  -38 22:30:11   +54.5428  +054.4833   +56  230  -39 22:30:26   +54.4721  +051.6509   +57  227  -40 22:30:42   +54.3591  +048.8673   +58  223  -41 22:30:57   +54.2060  +046.1326   +59  219  -43 22:31:13   +54.0146  +043.4470   +60  215  -44 22:31:28   +53.7866  +040.8105   +61  211  -45 22:31:44   +53.5237  +038.2229   +62  206  -46 22:31:59   +53.2275  +035.6838   +63  202  -47 22:32:15   +52.8994  +033.1928   +64  198  -47 22:32:30   +52.5410  +030.7492   +65  193  -48 22:32:46   +52.1533  +028.3522   +65  188  -49 22:33:02   +51.7378  +026.0007   +66  183  -50 22:33:17   +51.2955  +023.6937   +66  179  -50 22:33:33   +50.8274  +021.4298   +67  174  -51 22:33:48   +50.3346  +019.2078   +67  169  -52 22:34:04   +49.8180  +017.0260   +67  164  -52 22:34:19   +49.2783  +014.8830   +67  159  -53 22:34:35   +48.7163  +012.7770   +67  154  -53 22:34:50   +48.1326  +010.7064   +67  149  -54 22:35:06   +47.5278  +008.6693   +67  144  -54 22:35:21   +46.9024  +006.6639   +66  139  -54 22:35:37   +46.2568  +004.6884   +66  135  -54 22:35:52   +45.5914  +002.7407   +66  130  -54 22:36:08   +44.9065  +000.8188   +65  126  -54 22:36:23   +44.2021  -001.0792   +64  122  -54 22:36:39   +43.4784  -002.9556   +63  118  -54 22:36:54   +42.7354  -004.8123   +63  114  -54 22:37:10   +41.9731  -006.6517   +62  111  -54 22:37:25   +41.1912  -008.4761   +61  108  -54 22:37:41   +40.3894  -010.2878   +60  104  -53 22:37:56   +39.5674  -012.0892   +59  102  -53 22:38:12   +38.7247  -013.8831   +57  099  -52 22:38:27   +37.8606  -015.6720   +56  096  -52 22:38:43   +36.9743  -017.4590   +55  094  -51 22:38:58   +36.0649  -019.2472   +53  091  -50 22:39:14   +35.1311  -021.0399   +52  089  -49 22:39:29   +34.1717  -022.8409   +51  087  -48 22:39:45   +33.1848  -024.6545   +49  085  -47 22:40:00   +32.1685  -026.4851   +48  083  -46 22:40:16   +31.1204  -028.3382   +46  081  -45 22:40:31   +30.0376  -030.2200   +44  079  -44 22:40:47   +28.9164  -032.1376   +42  078  -42 22:41:02   +27.7524  -034.0999   +40  076  -41 22:41:18   +26.5400  -036.1175   +38  075  -39 22:41:34   +25.2722  -038.2038   +36  073  -38 22:41:49   +23.9395  -040.3764   +34  072  -36 22:42:05   +22.5293  -042.6585   +32  071  -34 22:42:20   +21.0238  -045.0829   +29  069  -32 22:42:36   +19.3966  -047.6980   +26  068  -29 22:42:51   +17.6052  -050.5818   +23  067  -26 22:43:07   +15.5736  -053.8750   +20  066  -23 22:43:22   +13.1336  -057.8894   +15  065  -19 22:43:38   +09.6917  -063.7368   +08  063  -13

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +37.3107 +129.3196 +34.7247 +137.4290 +41.1270 +121.1879 +41.2426 +124.6534 +43.4412 +115.5699 +43.9492 +118.4044 +45.1964 +110.8113 +45.9051 +113.3323 +46.6231 +106.5157 +47.4653 +108.8264 +47.8215 +102.5143 +48.7638 +104.6606 +48.8460 +098.7177 +49.8683 +100.7232 +49.7301 +095.0727 +50.8189 +096.9502 +50.4958 +091.5455 +51.6415 +093.3021 +51.1592 +088.1132 +52.3539 +089.7528 +51.7317 +084.7604 +52.9694 +086.2847 +52.2224 +081.4762 +53.4978 +082.8861 +52.6385 +078.2530 +53.9468 +079.5486 +52.9856 +075.0855 +54.3228 +076.2670 +53.2687 +071.9702 +54.6309 +073.0375 +53.4919 +068.9048 +54.8756 +069.8581 +53.6588 +065.8876 +55.0607 +066.7275 +53.7724 +062.9180 +55.1895 +063.6453 +53.8358 +059.9955 +55.2651 +060.6116 +53.8514 +057.1200 +55.2903 +057.6265 +53.8216 +054.2914 +55.2676 +054.6907 +53.7487 +051.5101 +55.1993 +051.8046 +53.6346 +048.7760 +55.0877 +048.9687 +53.4813 +046.0893 +54.9348 +046.1834 +53.2907 +043.4500 +54.7426 +043.4491 +53.0643 +040.8579 +54.5130 +040.7658 +52.8039 +038.3129 +54.2476 +038.1334 +52.5108 +035.8144 +53.9482 +035.5517 +52.1865 +033.3620 +53.6162 +033.0202 +51.8324 +030.9551 +53.2532 +030.5383 +51.4497 +028.5926 +52.8605 +028.1051 +51.0395 +026.2738 +52.4393 +025.7196 +50.6030 +023.9974 +51.9910 +023.3805 +50.1411 +021.7624 +51.5165 +021.0867 +49.6548 +019.5673 +51.0169 +018.8367 +49.1450 +017.4107 +50.4932 +016.6288 +48.6123 +015.2912 +49.9462 +014.4614 +48.0575 +013.2071 +49.3766 +012.3329 +47.4813 +011.1569 +48.7852 +010.2413 +46.8841 +009.1389 +48.1725 +008.1847 +46.2665 +007.1511 +47.5390 +006.1613 +45.6288 +005.1920 +46.8853 +004.1690 +44.9714 +003.2595 +46.2117 +002.2058 +44.2944 +001.3518 +45.5183 +000.2696 +43.5982 -000.5331 +44.8055 -001.6418 +42.8827 -002.3972 +44.0734 -003.5306 +42.1480 -004.2425 +43.3218 -005.3989 +41.3939 -006.0712 +42.5509 -007.2491 +40.6204 -007.8855 +41.7603 -009.0836 +39.8271 -009.6877 +40.9498 -010.9048 +39.0136 -011.4802 +40.1190 -012.7152 +38.1794 -013.2654 +39.2674 -014.5177 +37.3240 -015.0461 +38.3943 -016.3149 +36.4465 -016.8251 +37.4990 -018.1100 +35.5460 -018.6054 +36.5803 -019.9060 +34.6213 -020.3903 +35.6371 -021.7067 +33.6711 -022.1835 +34.6681 -023.5157 +32.6938 -023.9889 +33.6713 -025.3375 +31.6874 -025.8112 +32.6448 -027.1767 +30.6495 -027.6554 +31.5861 -029.0389 +29.5773 -029.5276 +30.4921 -030.9306 +28.4674 -031.4347 +29.3591 -032.8591 +27.3155 -033.3852 +28.1825 -034.8337 +26.1162 -035.3893 +26.9564 -036.8655 +24.8627 -037.4599 +25.6734 -038.9686 +23.5461 -039.6135 +24.3236 -041.1614 +22.1546 -041.8722 +22.8935 -043.4686 +20.6713 -044.2667 +21.3641 -045.9255 +19.0719 -046.8417 +19.7067 -048.5846 +17.3178 -049.6682 +17.8743 -051.5324 +15.3412 -052.8709 +15.7800 -054.9294 +13.0004 -056.7130 +13.2209 -059.1529 +09.8581 -062.0118 +09.3165 -065.8550 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.