Cora»OccDetail

Stellar Occultation by (909) Ulla on 2024-12-16 (23:06:43 UT)

Event Details
Occultation UUID [and db] : c4bf8430-ddb5-11f0-547e-f06cfd2d1432 [observed] Occultation Date + Time : 2024-12-16 at 23:06:43 UT +/- 0.01 min [1] Object Designation : (909) Ulla Star Designation : GDR3 3127110025443091968 Star Coordinates (ICRF) : RA = 06 41 08.2333, DE = +03 03 52.061 [2] Star Magnitudes : G = 13.64 mag, RP = 13.16 mag, BP = 13.95 mag Object Magnitude : V = 13.99 mag Estimated Magnitude Drop : 0.9 mag Estimated Max. Duration : 8.6 sec Speed of the shadow : 13.6 km/s Object Mean Diameter : 116.4 km (src: astorb) => apparent = 63 mas Apparent Motion : 0.4433 arcs/min @ PA = 279 deg Horizontal Parallax : 3.4710 arcs Dynamical Class : MBA Elongation to Moon & Sun : 25° (sunlit = 97%), Sun = 155° Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.09 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#143 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : c4bf8430-ddb5-11f0-547e-f06cfd2d1432 [observed]

 Occultation Date + Time   : 2024-12-16 at 23:06:43 UT +/- 0.01 min  [1]
 Object Designation        : (909) Ulla
 Star Designation          : GDR3 3127110025443091968
 Star Coordinates (ICRF)   : RA = 06 41 08.2333, DE = +03 03 52.061  [2]
 Star Magnitudes           : G = 13.64 mag, RP = 13.16 mag, BP = 13.95 mag
 Object Magnitude          : V = 13.99 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 8.6 sec
 Speed of the shadow       : 13.6 km/s
 Object Mean Diameter      : 116.4 km  (src: astorb) => apparent = 63 mas
 Apparent Motion           : 0.4433 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 3.4710 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 25° (sunlit = 97%), Sun = 155°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#143
 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 ---------------------------------------------- 23:01:08 +35.7331 +116.8260 +03 271 -04 23:01:18 +36.4040 +108.3919 +10 266 -10 23:01:27 +36.8784 +103.5579 +14 263 -14 23:01:37 +37.2968 +099.7306 +17 261 -17 23:01:46 +37.6849 +096.4383 +19 258 -19 23:01:55 +38.0531 +093.4895 +22 256 -22 23:02:05 +38.4071 +090.7835 +24 254 -24 23:02:14 +38.7502 +088.2599 +25 252 -26 23:02:24 +39.0846 +085.8788 +27 250 -28 23:02:33 +39.4118 +083.6123 +28 249 -29 23:02:42 +39.7331 +081.4402 +30 247 -31 23:02:52 +40.0492 +079.3469 +31 245 -33 23:03:01 +40.3608 +077.3203 +32 243 -34 23:03:11 +40.6684 +075.3507 +34 241 -36 23:03:20 +40.9726 +073.4303 +35 239 -37 23:03:30 +41.2737 +071.5523 +36 237 -39 23:03:39 +41.5718 +069.7112 +37 235 -40 23:03:48 +41.8674 +067.9024 +37 233 -41 23:03:58 +42.1607 +066.1216 +38 231 -42 23:04:07 +42.4517 +064.3652 +39 229 -44 23:04:17 +42.7407 +062.6301 +40 227 -45 23:04:26 +43.0278 +060.9133 +41 225 -46 23:04:35 +43.3131 +059.2124 +41 223 -47 23:04:45 +43.5967 +057.5249 +42 221 -48 23:04:54 +43.8787 +055.8486 +42 219 -49 23:05:04 +44.1592 +054.1816 +43 217 -50 23:05:13 +44.4383 +052.5220 +43 215 -51 23:05:22 +44.7160 +050.8681 +44 213 -52 23:05:32 +44.9923 +049.2181 +44 210 -53 23:05:41 +45.2674 +047.5704 +44 208 -54 23:05:51 +45.5411 +045.9236 +45 206 -55 23:06:00 +45.8136 +044.2761 +45 204 -56 23:06:10 +46.0849 +042.6264 +45 201 -57 23:06:19 +46.3550 +040.9732 +45 199 -58 23:06:28 +46.6239 +039.3149 +45 197 -58 23:06:38 +46.8915 +037.6502 +45 194 -59 23:06:47 +47.1580 +035.9776 +45 192 -60 23:06:57 +47.4232 +034.2957 +45 190 -60 23:07:06 +47.6872 +032.6030 +45 187 -61 23:07:15 +47.9499 +030.8980 +45 185 -61 23:07:25 +48.2113 +029.1791 +45 183 -62 23:07:34 +48.4714 +027.4447 +45 180 -62 23:07:44 +48.7301 +025.6931 +44 178 -62 23:07:53 +48.9873 +023.9225 +44 175 -63 23:08:03 +49.2430 +022.1310 +44 173 -63 23:08:12 +49.4972 +020.3167 +43 171 -63 23:08:21 +49.7496 +018.4774 +43 168 -63 23:08:31 +50.0003 +016.6108 +42 166 -63 23:08:40 +50.2492 +014.7144 +42 163 -63 23:08:50 +50.4960 +012.7856 +41 161 -63 23:08:59 +50.7406 +010.8213 +40 159 -63 23:09:08 +50.9829 +008.8183 +40 156 -62 23:09:18 +51.2227 +006.7730 +39 154 -62 23:09:27 +51.4598 +004.6813 +38 151 -61 23:09:37 +51.6938 +002.5387 +37 149 -61 23:09:46 +51.9246 +000.3400 +36 146 -60 23:09:56 +52.1517 -001.9207 +35 144 -59 23:10:05 +52.3749 -004.2504 +34 142 -59 23:10:14 +52.5935 -006.6571 +33 139 -58 23:10:24 +52.8070 -009.1503 +32 136 -57 23:10:33 +53.0148 -011.7416 +31 134 -56 23:10:43 +53.2160 -014.4451 +30 131 -54 23:10:52 +53.4096 -017.2784 +28 128 -53 23:11:01 +53.5941 -020.2642 +27 126 -52 23:11:11 +53.7680 -023.4320 +25 123 -50 23:11:20 +53.9288 -026.8227 +23 119 -48 23:11:30 +54.0731 -030.4943 +21 116 -46 23:11:39 +54.1958 -034.5360 +19 113 -44 23:11:49 +54.2884 -039.0967 +17 109 -42 23:11:58 +54.3348 -044.4655 +14 104 -39 23:12:07 +54.2940 -051.3814 +10 098 -35 23:12:17 +53.8458 -065.7621 +01 087 -26 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 23:01:08   +35.7331  +116.8260   +03  271  -04 23:01:18   +36.4040  +108.3919   +10  266  -10 23:01:27   +36.8784  +103.5579   +14  263  -14 23:01:37   +37.2968  +099.7306   +17  261  -17 23:01:46   +37.6849  +096.4383   +19  258  -19 23:01:55   +38.0531  +093.4895   +22  256  -22 23:02:05   +38.4071  +090.7835   +24  254  -24 23:02:14   +38.7502  +088.2599   +25  252  -26 23:02:24   +39.0846  +085.8788   +27  250  -28 23:02:33   +39.4118  +083.6123   +28  249  -29 23:02:42   +39.7331  +081.4402   +30  247  -31 23:02:52   +40.0492  +079.3469   +31  245  -33 23:03:01   +40.3608  +077.3203   +32  243  -34 23:03:11   +40.6684  +075.3507   +34  241  -36 23:03:20   +40.9726  +073.4303   +35  239  -37 23:03:30   +41.2737  +071.5523   +36  237  -39 23:03:39   +41.5718  +069.7112   +37  235  -40 23:03:48   +41.8674  +067.9024   +37  233  -41 23:03:58   +42.1607  +066.1216   +38  231  -42 23:04:07   +42.4517  +064.3652   +39  229  -44 23:04:17   +42.7407  +062.6301   +40  227  -45 23:04:26   +43.0278  +060.9133   +41  225  -46 23:04:35   +43.3131  +059.2124   +41  223  -47 23:04:45   +43.5967  +057.5249   +42  221  -48 23:04:54   +43.8787  +055.8486   +42  219  -49 23:05:04   +44.1592  +054.1816   +43  217  -50 23:05:13   +44.4383  +052.5220   +43  215  -51 23:05:22   +44.7160  +050.8681   +44  213  -52 23:05:32   +44.9923  +049.2181   +44  210  -53 23:05:41   +45.2674  +047.5704   +44  208  -54 23:05:51   +45.5411  +045.9236   +45  206  -55 23:06:00   +45.8136  +044.2761   +45  204  -56 23:06:10   +46.0849  +042.6264   +45  201  -57 23:06:19   +46.3550  +040.9732   +45  199  -58 23:06:28   +46.6239  +039.3149   +45  197  -58 23:06:38   +46.8915  +037.6502   +45  194  -59 23:06:47   +47.1580  +035.9776   +45  192  -60 23:06:57   +47.4232  +034.2957   +45  190  -60 23:07:06   +47.6872  +032.6030   +45  187  -61 23:07:15   +47.9499  +030.8980   +45  185  -61 23:07:25   +48.2113  +029.1791   +45  183  -62 23:07:34   +48.4714  +027.4447   +45  180  -62 23:07:44   +48.7301  +025.6931   +44  178  -62 23:07:53   +48.9873  +023.9225   +44  175  -63 23:08:03   +49.2430  +022.1310   +44  173  -63 23:08:12   +49.4972  +020.3167   +43  171  -63 23:08:21   +49.7496  +018.4774   +43  168  -63 23:08:31   +50.0003  +016.6108   +42  166  -63 23:08:40   +50.2492  +014.7144   +42  163  -63 23:08:50   +50.4960  +012.7856   +41  161  -63 23:08:59   +50.7406  +010.8213   +40  159  -63 23:09:08   +50.9829  +008.8183   +40  156  -62 23:09:18   +51.2227  +006.7730   +39  154  -62 23:09:27   +51.4598  +004.6813   +38  151  -61 23:09:37   +51.6938  +002.5387   +37  149  -61 23:09:46   +51.9246  +000.3400   +36  146  -60 23:09:56   +52.1517  -001.9207   +35  144  -59 23:10:05   +52.3749  -004.2504   +34  142  -59 23:10:14   +52.5935  -006.6571   +33  139  -58 23:10:24   +52.8070  -009.1503   +32  136  -57 23:10:33   +53.0148  -011.7416   +31  134  -56 23:10:43   +53.2160  -014.4451   +30  131  -54 23:10:52   +53.4096  -017.2784   +28  128  -53 23:11:01   +53.5941  -020.2642   +27  126  -52 23:11:11   +53.7680  -023.4320   +25  123  -50 23:11:20   +53.9288  -026.8227   +23  119  -48 23:11:30   +54.0731  -030.4943   +21  116  -46 23:11:39   +54.1958  -034.5360   +19  113  -44 23:11:49   +54.2884  -039.0967   +17  109  -42 23:11:58   +54.3348  -044.4655   +14  104  -39 23:12:07   +54.2940  -051.3814   +10  098  -35 23:12:17   +53.8458  -065.7621   +01  087  -26

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +35.3530 +112.0776 +36.1395 +121.1340 +35.8897 +106.0770 +36.8905 +111.3067 +36.3315 +101.7975 +37.4167 +105.5680 +36.7321 +098.2524 +37.8582 +101.3629 +37.1080 +095.1395 +38.2609 +097.8487 +37.4669 +092.3182 +38.6399 +094.7486 +37.8133 +089.7092 +39.0025 +091.9305 +38.1498 +087.2631 +39.3528 +089.3191 +38.4783 +084.9459 +39.6935 +086.8665 +38.8003 +082.7338 +40.0265 +084.5400 +39.1166 +080.6088 +40.3530 +082.3163 +39.4281 +078.5570 +40.6740 +080.1779 +39.7354 +076.5675 +40.9902 +078.1111 +40.0389 +074.6315 +41.3023 +076.1054 +40.3390 +072.7419 +41.6107 +074.1518 +40.6362 +070.8924 +41.9159 +072.2434 +40.9305 +069.0779 +42.2181 +070.3741 +41.2224 +067.2941 +42.5176 +068.5387 +41.5120 +065.5370 +42.8146 +066.7328 +41.7994 +063.8032 +43.1094 +064.9526 +42.0849 +062.0897 +43.4021 +063.1946 +42.3684 +060.3939 +43.6929 +061.4558 +42.6503 +058.7132 +43.9819 +059.7335 +42.9304 +057.0455 +44.2691 +058.0253 +43.2090 +055.3885 +44.5548 +056.3287 +43.4861 +053.7406 +44.8389 +054.6418 +43.7618 +052.0998 +45.1215 +052.9625 +44.0360 +050.4644 +45.4028 +051.2890 +44.3090 +048.8330 +45.6827 +049.6196 +44.5806 +047.2038 +45.9613 +047.9526 +44.8510 +045.5755 +46.2386 +046.2863 +45.1201 +043.9467 +46.5147 +044.6193 +45.3880 +042.3158 +46.7896 +042.9499 +45.6547 +040.6815 +47.0632 +041.2768 +45.9202 +039.0426 +47.3356 +039.5984 +46.1844 +037.3974 +47.6069 +037.9131 +46.4475 +035.7448 +47.8769 +036.2196 +46.7093 +034.0834 +48.1457 +034.5163 +46.9698 +032.4116 +48.4133 +032.8016 +47.2292 +030.7280 +48.6796 +031.0741 +47.4872 +029.0312 +48.9446 +029.3319 +47.7438 +027.3196 +49.2082 +027.5735 +47.9991 +025.5916 +49.4705 +025.7970 +48.2530 +023.8454 +49.7313 +024.0007 +48.5053 +022.0793 +49.9906 +022.1824 +48.7561 +020.2915 +50.2483 +020.3401 +49.0052 +018.4797 +50.5043 +018.4716 +49.2526 +016.6420 +50.7585 +016.5744 +49.4981 +014.7759 +51.0107 +014.6459 +49.7417 +012.8789 +51.2610 +012.6832 +49.9831 +010.9481 +51.5090 +010.6832 +50.2223 +008.9806 +51.7546 +008.6424 +50.4591 +006.9729 +51.9976 +006.5569 +50.6931 +004.9213 +52.2378 +004.4224 +50.9243 +002.8215 +52.4748 +002.2339 +51.1523 +000.6686 +52.7085 -000.0141 +51.3769 -001.5428 +52.9383 -002.3280 +51.5976 -003.8191 +53.1640 -004.7154 +51.8140 -006.1676 +53.3848 -007.1850 +52.0256 -008.5971 +53.6003 -009.7476 +52.2318 -011.1181 +53.8096 -012.4157 +52.4319 -013.7433 +54.0119 -015.2052 +52.6248 -016.4883 +54.2059 -018.1360 +52.8095 -019.3732 +54.3901 -021.2339 +52.9843 -022.4237 +54.5626 -024.5335 +53.1473 -025.6748 +54.7204 -028.0828 +53.2956 -029.1752 +54.8594 -031.9526 +53.4251 -032.9971 +54.9734 -036.2551 +53.5291 -037.2564 +55.0510 -041.1893 +53.5960 -042.1613 +55.0684 -047.1812 +53.6001 -048.1713 +54.9493 -055.6218 +53.4523 -056.9150 +55.2661 -055.9488 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.