Cora»OccDetail

Stellar Occultation by (410) Chloris on 2026-10-21 (02:05:19 UT)

Event Details
Occultation UUID [and db] : 780c51d0-d9b4-11f1-43f3-1f1cbfff4035 [observed] Occultation Date + Time : 2026-10-21 at 02:05:19 UT +/- 0.0 min [1] Object Designation : (410) Chloris Star Designation : GDR3 0636065247580868352 Star Coordinates (ICRF) : RA = 09 15 27.1347, DE = +19 56 08.622 [2] Star Magnitudes : G = 15.4 mag, RP = 14.75 mag, BP = 15.9 mag Object Magnitude : V = 14.54 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 5.2 sec Speed of the shadow : 23.6 km/s Object Mean Diameter : 123.5 km (src: astorb) => apparent = 50 mas Apparent Motion : 0.5717 arcs/min @ PA = 97 deg Horizontal Parallax : 2.5730 arcs Dynamical Class : MBA Elongation to Moon & Sun : 170° (sunlit = 73%), Sun = 73° Cross-track uncertainty : 0.8 mas = 1 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL94 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 780c51d0-d9b4-11f1-43f3-1f1cbfff4035 [observed]

 Occultation Date + Time   : 2026-10-21 at 02:05:19 UT +/- 0.0 min  [1]
 Object Designation        : (410) Chloris
 Star Designation          : GDR3 0636065247580868352
 Star Coordinates (ICRF)   : RA = 09 15 27.1347, DE = +19 56 08.622  [2]
 Star Magnitudes           : G = 15.4 mag, RP = 14.75 mag, BP = 15.9 mag
 Object Magnitude          : V = 14.54 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 5.2 sec
 Speed of the shadow       : 23.6 km/s
 Object Mean Diameter      : 123.5 km  (src: astorb) => apparent = 50 mas
 Apparent Motion           : 0.5717 arcs/min @ PA = 97 deg
 Horizontal Parallax       : 2.5730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 170° (sunlit = 73%), Sun = 73°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL94
 Note                      : FP:true

 Object is a <Gaia mass determination> 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

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 02:01:15 +32.0259 -011.9295 +10 072 -60 02:01:21 +33.9536 -006.0829 +15 076 -55 02:01:26 +35.3107 -001.6928 +19 078 -52 02:01:32 +36.3962 +002.0316 +22 081 -48 02:01:38 +37.3113 +005.3555 +25 083 -46 02:01:44 +38.1052 +008.4063 +27 085 -43 02:01:50 +38.8061 +011.2567 +30 087 -41 02:01:55 +39.4321 +013.9527 +32 089 -39 02:02:01 +39.9958 +016.5255 +34 091 -36 02:02:07 +40.5058 +018.9974 +36 093 -34 02:02:13 +40.9691 +021.3849 +37 095 -33 02:02:18 +41.3908 +023.7006 +39 097 -31 02:02:24 +41.7749 +025.9544 +41 099 -29 02:02:30 +42.1247 +028.1541 +42 102 -27 02:02:36 +42.4431 +030.3061 +44 104 -26 02:02:41 +42.7322 +032.4156 +45 106 -24 02:02:47 +42.9940 +034.4871 +47 108 -23 02:02:53 +43.2302 +036.5240 +48 110 -21 02:02:59 +43.4421 +038.5296 +49 112 -20 02:03:04 +43.6309 +040.5064 +50 114 -18 02:03:10 +43.7978 +042.4568 +52 117 -17 02:03:16 +43.9438 +044.3826 +53 119 -15 02:03:22 +44.0695 +046.2856 +54 122 -14 02:03:27 +44.1760 +048.1673 +55 124 -13 02:03:33 +44.2637 +050.0289 +56 127 -11 02:03:39 +44.3333 +051.8717 +57 129 -10 02:03:45 +44.3855 +053.6967 +58 132 -09 02:03:50 +44.4206 +055.5048 +59 135 -07 02:03:56 +44.4393 +057.2969 +60 138 -06 02:04:02 +44.4418 +059.0736 +61 141 -05 02:04:08 +44.4286 +060.8358 +62 144 -03 02:04:13 +44.4001 +062.5841 +62 147 -02 02:04:19 +44.3566 +064.3189 +63 150 -01 02:04:25 +44.2985 +066.0411 +64 154 +00 02:04:31 +44.2259 +067.7509 +64 157 +01 02:04:36 +44.1392 +069.4490 +65 160 +03 02:04:42 +44.0386 +071.1358 +65 164 +04 02:04:48 +43.9244 +072.8119 +66 168 +05 02:04:54 +43.7968 +074.4776 +66 172 +06 02:04:59 +43.6559 +076.1334 +66 175 +07 02:05:05 +43.5019 +077.7798 +66 179 +09 02:05:11 +43.3350 +079.4172 +67 183 +10 02:05:17 +43.1554 +081.0462 +67 187 +11 02:05:22 +42.9631 +082.6671 +67 191 +12 02:05:28 +42.7583 +084.2804 +67 195 +13 02:05:34 +42.5410 +085.8867 +66 199 +14 02:05:40 +42.3114 +087.4865 +66 203 +16 02:05:46 +42.0696 +089.0802 +66 207 +17 02:05:51 +41.8154 +090.6685 +66 210 +18 02:05:57 +41.5491 +092.2519 +65 214 +19 02:06:03 +41.2706 +093.8310 +65 217 +20 02:06:09 +40.9798 +095.4065 +64 221 +21 02:06:14 +40.6768 +096.9789 +64 224 +22 02:06:20 +40.3615 +098.5492 +63 227 +24 02:06:26 +40.0339 +100.1179 +62 230 +25 02:06:32 +39.6937 +101.6859 +61 233 +26 02:06:37 +39.3410 +103.2541 +61 236 +27 02:06:43 +38.9755 +104.8234 +60 239 +28 02:06:49 +38.5970 +106.3948 +59 241 +29 02:06:55 +38.2054 +107.9694 +58 244 +30 02:07:00 +37.8002 +109.5482 +57 246 +32 02:07:06 +37.3814 +111.1327 +56 249 +33 02:07:12 +36.9483 +112.7241 +55 251 +34 02:07:18 +36.5007 +114.3241 +54 253 +35 02:07:23 +36.0381 +115.9342 +53 255 +36 02:07:29 +35.5598 +117.5563 +52 257 +37 02:07:35 +35.0652 +119.1925 +50 259 +38 02:07:41 +34.5536 +120.8451 +49 261 +40 02:07:46 +34.0240 +122.5167 +48 262 +41 02:07:52 +33.4755 +124.2103 +46 264 +42 02:07:58 +32.9068 +125.9294 +45 266 +43 02:08:04 +32.3165 +127.6778 +44 267 +44 02:08:09 +31.7029 +129.4603 +42 269 +45 02:08:15 +31.0640 +131.2822 +40 271 +47 02:08:21 +30.3973 +133.1503 +39 272 +48 02:08:27 +29.6998 +135.0725 +37 273 +49 02:08:32 +28.9677 +137.0588 +35 275 +50 02:08:38 +28.1963 +139.1218 +33 276 +51 02:08:44 +27.3792 +141.2781 +31 278 +52 02:08:50 +26.5080 +143.5498 +29 279 +53 02:08:55 +25.5710 +145.9679 +27 280 +54 02:09:01 +24.5507 +148.5781 +24 282 +55 02:09:07 +23.4196 +151.4534 +22 283 +55 02:09:13 +22.1291 +154.7233 +18 285 +56 02:09:19 +20.5750 +158.6659 +14 286 +56 02:09:24 +18.4225 +164.1833 +09 288 +55 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 02:01:15   +32.0259  -011.9295   +10  072  -60 02:01:21   +33.9536  -006.0829   +15  076  -55 02:01:26   +35.3107  -001.6928   +19  078  -52 02:01:32   +36.3962  +002.0316   +22  081  -48 02:01:38   +37.3113  +005.3555   +25  083  -46 02:01:44   +38.1052  +008.4063   +27  085  -43 02:01:50   +38.8061  +011.2567   +30  087  -41 02:01:55   +39.4321  +013.9527   +32  089  -39 02:02:01   +39.9958  +016.5255   +34  091  -36 02:02:07   +40.5058  +018.9974   +36  093  -34 02:02:13   +40.9691  +021.3849   +37  095  -33 02:02:18   +41.3908  +023.7006   +39  097  -31 02:02:24   +41.7749  +025.9544   +41  099  -29 02:02:30   +42.1247  +028.1541   +42  102  -27 02:02:36   +42.4431  +030.3061   +44  104  -26 02:02:41   +42.7322  +032.4156   +45  106  -24 02:02:47   +42.9940  +034.4871   +47  108  -23 02:02:53   +43.2302  +036.5240   +48  110  -21 02:02:59   +43.4421  +038.5296   +49  112  -20 02:03:04   +43.6309  +040.5064   +50  114  -18 02:03:10   +43.7978  +042.4568   +52  117  -17 02:03:16   +43.9438  +044.3826   +53  119  -15 02:03:22   +44.0695  +046.2856   +54  122  -14 02:03:27   +44.1760  +048.1673   +55  124  -13 02:03:33   +44.2637  +050.0289   +56  127  -11 02:03:39   +44.3333  +051.8717   +57  129  -10 02:03:45   +44.3855  +053.6967   +58  132  -09 02:03:50   +44.4206  +055.5048   +59  135  -07 02:03:56   +44.4393  +057.2969   +60  138  -06 02:04:02   +44.4418  +059.0736   +61  141  -05 02:04:08   +44.4286  +060.8358   +62  144  -03 02:04:13   +44.4001  +062.5841   +62  147  -02 02:04:19   +44.3566  +064.3189   +63  150  -01 02:04:25   +44.2985  +066.0411   +64  154  +00 02:04:31   +44.2259  +067.7509   +64  157  +01 02:04:36   +44.1392  +069.4490   +65  160  +03 02:04:42   +44.0386  +071.1358   +65  164  +04 02:04:48   +43.9244  +072.8119   +66  168  +05 02:04:54   +43.7968  +074.4776   +66  172  +06 02:04:59   +43.6559  +076.1334   +66  175  +07 02:05:05   +43.5019  +077.7798   +66  179  +09 02:05:11   +43.3350  +079.4172   +67  183  +10 02:05:17   +43.1554  +081.0462   +67  187  +11 02:05:22   +42.9631  +082.6671   +67  191  +12 02:05:28   +42.7583  +084.2804   +67  195  +13 02:05:34   +42.5410  +085.8867   +66  199  +14 02:05:40   +42.3114  +087.4865   +66  203  +16 02:05:46   +42.0696  +089.0802   +66  207  +17 02:05:51   +41.8154  +090.6685   +66  210  +18 02:05:57   +41.5491  +092.2519   +65  214  +19 02:06:03   +41.2706  +093.8310   +65  217  +20 02:06:09   +40.9798  +095.4065   +64  221  +21 02:06:14   +40.6768  +096.9789   +64  224  +22 02:06:20   +40.3615  +098.5492   +63  227  +24 02:06:26   +40.0339  +100.1179   +62  230  +25 02:06:32   +39.6937  +101.6859   +61  233  +26 02:06:37   +39.3410  +103.2541   +61  236  +27 02:06:43   +38.9755  +104.8234   +60  239  +28 02:06:49   +38.5970  +106.3948   +59  241  +29 02:06:55   +38.2054  +107.9694   +58  244  +30 02:07:00   +37.8002  +109.5482   +57  246  +32 02:07:06   +37.3814  +111.1327   +56  249  +33 02:07:12   +36.9483  +112.7241   +55  251  +34 02:07:18   +36.5007  +114.3241   +54  253  +35 02:07:23   +36.0381  +115.9342   +53  255  +36 02:07:29   +35.5598  +117.5563   +52  257  +37 02:07:35   +35.0652  +119.1925   +50  259  +38 02:07:41   +34.5536  +120.8451   +49  261  +40 02:07:46   +34.0240  +122.5167   +48  262  +41 02:07:52   +33.4755  +124.2103   +46  264  +42 02:07:58   +32.9068  +125.9294   +45  266  +43 02:08:04   +32.3165  +127.6778   +44  267  +44 02:08:09   +31.7029  +129.4603   +42  269  +45 02:08:15   +31.0640  +131.2822   +40  271  +47 02:08:21   +30.3973  +133.1503   +39  272  +48 02:08:27   +29.6998  +135.0725   +37  273  +49 02:08:32   +28.9677  +137.0588   +35  275  +50 02:08:38   +28.1963  +139.1218   +33  276  +51 02:08:44   +27.3792  +141.2781   +31  278  +52 02:08:50   +26.5080  +143.5498   +29  279  +53 02:08:55   +25.5710  +145.9679   +27  280  +54 02:09:01   +24.5507  +148.5781   +24  282  +55 02:09:07   +23.4196  +151.4534   +22  283  +55 02:09:13   +22.1291  +154.7233   +18  285  +56 02:09:19   +20.5750  +158.6659   +14  286  +56 02:09:24   +18.4225  +164.1833   +09  288  +55

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +32.0610 -013.7358 +31.9037 -010.3653 +34.2135 -007.3041 +33.6657 -004.9484 +35.6527 -002.7056 +34.9528 -000.7361 +36.7858 +001.1385 +35.9957 +002.8814 +37.7338 +004.5448 +36.8808 +006.1298 +38.5526 +007.6586 +37.6516 +009.1221 +39.2734 +010.5602 +38.3339 +011.9244 +39.9161 +013.2999 +38.9445 +014.5791 +40.4938 +015.9111 +39.4948 +017.1154 +41.0162 +018.4177 +39.9933 +019.5542 +41.4903 +020.8371 +40.4464 +021.9111 +41.9215 +023.1827 +40.8589 +024.1982 +42.3143 +025.4646 +41.2348 +026.4249 +42.6719 +027.6912 +41.5772 +028.5987 +42.9973 +029.8691 +41.8889 +030.7258 +43.2929 +032.0037 +42.1719 +032.8112 +43.5605 +034.0994 +42.4282 +034.8592 +43.8020 +036.1601 +42.6593 +036.8733 +44.0186 +038.1889 +42.8666 +038.8565 +44.2119 +040.1885 +43.0513 +040.8114 +44.3827 +042.1612 +43.2145 +042.7401 +44.5322 +044.1091 +43.3570 +044.6447 +44.6612 +046.0338 +43.4798 +046.5268 +44.7705 +047.9369 +43.5835 +048.3878 +44.8607 +049.8196 +43.6688 +050.2291 +44.9325 +051.6833 +43.7364 +052.0518 +44.9866 +053.5289 +43.7868 +053.8570 +45.0233 +055.3573 +43.8204 +055.6455 +45.0433 +057.1694 +43.8378 +057.4183 +45.0469 +058.9659 +43.8393 +059.1760 +45.0345 +060.7476 +43.8254 +060.9194 +45.0065 +062.5151 +43.7964 +062.6491 +44.9633 +064.2689 +43.7526 +064.3657 +44.9053 +066.0097 +43.6944 +066.0698 +44.8325 +067.7380 +43.6220 +067.7619 +44.7455 +069.4542 +43.5357 +069.4425 +44.6443 +071.1588 +43.4357 +071.1121 +44.5293 +072.8524 +43.3222 +072.7713 +44.4007 +074.5354 +43.1955 +074.4203 +44.2586 +076.2081 +43.0557 +076.0598 +44.1033 +077.8712 +42.9031 +077.6901 +43.9349 +079.5250 +42.7377 +079.3118 +43.7536 +081.1699 +42.5597 +080.9252 +43.5594 +082.8066 +42.3692 +082.5309 +43.3526 +084.4354 +42.1663 +084.1294 +43.1332 +086.0568 +41.9512 +085.7210 +42.9012 +087.6714 +41.7238 +087.3064 +42.6569 +089.2797 +41.4844 +088.8860 +42.4001 +090.8823 +41.2328 +090.4605 +42.1310 +092.4797 +40.9691 +092.0303 +41.8496 +094.0725 +40.6934 +093.5961 +41.5558 +095.6614 +40.4056 +095.1585 +41.2496 +097.2471 +40.1056 +096.7182 +40.9310 +098.8303 +39.7935 +098.2758 +40.5999 +100.4118 +39.4692 +099.8321 +40.2562 +101.9924 +39.1325 +101.3880 +39.8998 +103.5729 +38.7833 +102.9442 +39.5304 +105.1544 +38.4215 +104.5017 +39.1480 +106.7378 +38.0468 +106.0614 +38.7523 +108.3242 +37.6591 +107.6244 +38.3430 +109.9148 +37.2581 +109.1918 +37.9197 +111.5109 +36.8434 +110.7649 +37.4822 +113.1140 +36.4147 +112.3451 +37.0299 +114.7255 +35.9716 +113.9338 +36.5624 +116.3472 +35.5136 +115.5326 +36.0791 +117.9810 +35.0402 +117.1433 +35.5793 +119.6290 +34.5506 +118.7681 +35.0623 +121.2935 +34.0442 +120.4091 +34.5270 +122.9774 +33.5201 +122.0689 +33.9726 +124.6835 +32.9773 +123.7503 +33.3977 +126.4156 +32.4145 +125.4568 +32.8008 +128.1776 +31.8305 +127.1921 +32.1802 +129.9743 +31.2236 +128.9608 +31.5339 +131.8115 +30.5919 +130.7681 +30.8591 +133.6959 +29.9329 +132.6204 +30.1529 +135.6360 +29.2437 +134.5255 +29.4112 +137.6423 +28.5208 +136.4928 +28.6290 +139.7279 +27.7595 +138.5344 +27.7997 +141.9104 +26.9539 +140.6660 +26.9143 +144.2132 +26.0962 +142.9084 +25.9601 +146.6698 +25.1751 +145.2906 +24.9182 +149.3300 +24.1748 +147.8548 +23.7582 +152.2746 +23.0702 +150.6673 +22.4243 +155.6515 +21.8180 +153.8428 +20.7916 +159.7955 +20.3303 +157.6165 +18.3852 +165.9875 +18.3547 +162.6671 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.