Cora»OccDetail

Stellar Occultation by (139645) 2001 QC170 on 2024-10-08 (00:58:31 UT)

Event Details
Occultation UUID [and db] : 7e774490-ddb5-11f0-547e-56817fbf33c6 [observed] Occultation Date + Time : 2024-10-08 at 00:58:31 UT +/- 0.01 min [1] Object Designation : (139645) 2001 QC170 Star Designation : GDR3 0887981022411317376 Star Coordinates (ICRF) : RA = 07 06 07.8096, DE = +30 11 35.028 [2] Star Magnitudes : G = 9.6 mag, RP = 9.22 mag, BP = 9.82 mag Object Magnitude : V = 20.46 mag Estimated Magnitude Drop : 10.9 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 16.1 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4817 arcs/min @ PA = 91 deg Horizontal Parallax : 3.1870 arcs Dynamical Class : MBA Elongation to Moon & Sun : 149° (sunlit = 23%), Sun = 91° Cross-track uncertainty : 1.0 mas = 2 km = 0.57 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 7e774490-ddb5-11f0-547e-56817fbf33c6 [observed]

 Occultation Date + Time   : 2024-10-08 at 00:58:31 UT +/- 0.01 min  [1]
 Object Designation        : (139645) 2001 QC170
 Star Designation          : GDR3 0887981022411317376
 Star Coordinates (ICRF)   : RA = 07 06 07.8096, DE = +30 11 35.028  [2]
 Star Magnitudes           : G = 9.6 mag, RP = 9.22 mag, BP = 9.82 mag
 Object Magnitude          : V = 20.46 mag
 Estimated Magnitude Drop  : 10.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 16.1 km/s
 Object Mean Diameter      : 3.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4817 arcs/min @ PA = 91 deg
 Horizontal Parallax       : 3.1870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 149° (sunlit = 23%), Sun = 91°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.57 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36
 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 ---------------------------------------------- 00:52:55 +29.8872 -029.0451 +03 057 -63 00:53:02 +34.3925 -021.7317 +11 061 -61 00:53:10 +36.8609 -017.6568 +15 063 -59 00:53:17 +38.7948 -014.3931 +18 065 -57 00:53:25 +40.4413 -011.5448 +21 067 -55 00:53:32 +41.8996 -008.9536 +23 069 -53 00:53:40 +43.2214 -006.5374 +25 071 -52 00:53:47 +44.4376 -004.2466 +27 073 -50 00:53:55 +45.5685 -002.0488 +29 075 -48 00:54:02 +46.6281 +000.0789 +31 077 -47 00:54:10 +47.6265 +002.1532 +32 079 -45 00:54:17 +48.5714 +004.1868 +34 081 -44 00:54:25 +49.4687 +006.1900 +35 083 -42 00:54:32 +50.3230 +008.1709 +37 085 -41 00:54:40 +51.1379 +010.1362 +38 087 -40 00:54:47 +51.9163 +012.0915 +39 089 -38 00:54:55 +52.6607 +014.0416 +40 092 -37 00:55:02 +53.3730 +015.9907 +42 094 -36 00:55:10 +54.0547 +017.9422 +43 096 -34 00:55:17 +54.7073 +019.8993 +44 099 -33 00:55:25 +55.3317 +021.8647 +45 101 -32 00:55:32 +55.9288 +023.8408 +46 103 -31 00:55:40 +56.4993 +025.8296 +47 106 -29 00:55:47 +57.0437 +027.8329 +48 109 -28 00:55:55 +57.5626 +029.8523 +49 111 -27 00:56:02 +58.0561 +031.8890 +49 114 -26 00:56:10 +58.5246 +033.9440 +50 117 -25 00:56:17 +58.9681 +036.0183 +51 120 -23 00:56:25 +59.3868 +038.1122 +52 123 -22 00:56:32 +59.7806 +040.2263 +52 126 -21 00:56:40 +60.1496 +042.3607 +53 129 -20 00:56:47 +60.4936 +044.5151 +54 132 -19 00:56:55 +60.8127 +046.6894 +54 135 -18 00:57:02 +61.1066 +048.8829 +55 139 -17 00:57:10 +61.3753 +051.0949 +55 142 -15 00:57:17 +61.6186 +053.3243 +56 146 -14 00:57:25 +61.8363 +055.5700 +56 149 -13 00:57:32 +62.0283 +057.8306 +56 153 -12 00:57:40 +62.1945 +060.1045 +57 156 -11 00:57:47 +62.3347 +062.3899 +57 160 -10 00:57:55 +62.4489 +064.6850 +57 164 -09 00:58:02 +62.5369 +066.9877 +57 167 -08 00:58:10 +62.5987 +069.2958 +57 171 -07 00:58:17 +62.6342 +071.6072 +57 175 -06 00:58:25 +62.6435 +073.9197 +58 179 -05 00:58:32 +62.6265 +076.2308 +58 182 -04 00:58:40 +62.5833 +078.5384 +58 186 -02 00:58:47 +62.5141 +080.8402 +57 190 -01 00:58:55 +62.4188 +083.1340 +57 194 +00 00:59:02 +62.2977 +085.4178 +57 197 +01 00:59:10 +62.1508 +087.6896 +57 201 +02 00:59:17 +61.9784 +089.9476 +57 205 +03 00:59:25 +61.7807 +092.1901 +56 208 +04 00:59:32 +61.5578 +094.4156 +56 212 +05 00:59:40 +61.3099 +096.6229 +56 215 +06 00:59:47 +61.0374 +098.8107 +55 219 +07 00:59:55 +60.7404 +100.9783 +55 222 +08 01:00:02 +60.4190 +103.1249 +54 225 +09 01:00:10 +60.0735 +105.2501 +54 229 +11 01:00:17 +59.7040 +107.3535 +53 232 +12 01:00:25 +59.3107 +109.4352 +52 235 +13 01:00:32 +58.8936 +111.4954 +52 238 +14 01:00:40 +58.4529 +113.5343 +51 241 +15 01:00:47 +57.9884 +115.5526 +50 244 +16 01:00:55 +57.5002 +117.5511 +50 246 +17 01:01:02 +56.9881 +119.5307 +49 249 +18 01:01:10 +56.4519 +121.4928 +48 252 +19 01:01:17 +55.8913 +123.4386 +47 254 +21 01:01:25 +55.3059 +125.3698 +46 257 +22 01:01:32 +54.6953 +127.2884 +45 259 +23 01:01:40 +54.0587 +129.1964 +44 262 +24 01:01:47 +53.3953 +131.0962 +43 264 +25 01:01:55 +52.7041 +132.9905 +42 266 +27 01:02:02 +51.9838 +134.8825 +41 268 +28 01:02:10 +51.2331 +136.7754 +40 271 +29 01:02:17 +50.4500 +138.6734 +38 273 +30 01:02:25 +49.6322 +140.5811 +37 275 +32 01:02:32 +48.7771 +142.5037 +36 277 +33 01:02:40 +47.8813 +144.4477 +34 279 +34 01:02:47 +46.9404 +146.4207 +33 281 +35 01:02:55 +45.9490 +148.4321 +31 283 +37 01:03:02 +44.9003 +150.4937 +30 285 +38 01:03:10 +43.7849 +152.6208 +28 286 +40 01:03:17 +42.5905 +154.8339 +26 288 +41 01:03:25 +41.2990 +157.1617 +24 290 +43 01:03:32 +39.8841 +159.6471 +22 292 +44 01:03:40 +38.3025 +162.3588 +19 294 +46 01:03:47 +36.4760 +165.4224 +16 296 +47 01:03:55 +34.2287 +169.1203 +12 298 +49 01:04:02 +30.9045 +174.5129 +07 301 +51 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 00:52:55   +29.8872  -029.0451   +03  057  -63 00:53:02   +34.3925  -021.7317   +11  061  -61 00:53:10   +36.8609  -017.6568   +15  063  -59 00:53:17   +38.7948  -014.3931   +18  065  -57 00:53:25   +40.4413  -011.5448   +21  067  -55 00:53:32   +41.8996  -008.9536   +23  069  -53 00:53:40   +43.2214  -006.5374   +25  071  -52 00:53:47   +44.4376  -004.2466   +27  073  -50 00:53:55   +45.5685  -002.0488   +29  075  -48 00:54:02   +46.6281  +000.0789   +31  077  -47 00:54:10   +47.6265  +002.1532   +32  079  -45 00:54:17   +48.5714  +004.1868   +34  081  -44 00:54:25   +49.4687  +006.1900   +35  083  -42 00:54:32   +50.3230  +008.1709   +37  085  -41 00:54:40   +51.1379  +010.1362   +38  087  -40 00:54:47   +51.9163  +012.0915   +39  089  -38 00:54:55   +52.6607  +014.0416   +40  092  -37 00:55:02   +53.3730  +015.9907   +42  094  -36 00:55:10   +54.0547  +017.9422   +43  096  -34 00:55:17   +54.7073  +019.8993   +44  099  -33 00:55:25   +55.3317  +021.8647   +45  101  -32 00:55:32   +55.9288  +023.8408   +46  103  -31 00:55:40   +56.4993  +025.8296   +47  106  -29 00:55:47   +57.0437  +027.8329   +48  109  -28 00:55:55   +57.5626  +029.8523   +49  111  -27 00:56:02   +58.0561  +031.8890   +49  114  -26 00:56:10   +58.5246  +033.9440   +50  117  -25 00:56:17   +58.9681  +036.0183   +51  120  -23 00:56:25   +59.3868  +038.1122   +52  123  -22 00:56:32   +59.7806  +040.2263   +52  126  -21 00:56:40   +60.1496  +042.3607   +53  129  -20 00:56:47   +60.4936  +044.5151   +54  132  -19 00:56:55   +60.8127  +046.6894   +54  135  -18 00:57:02   +61.1066  +048.8829   +55  139  -17 00:57:10   +61.3753  +051.0949   +55  142  -15 00:57:17   +61.6186  +053.3243   +56  146  -14 00:57:25   +61.8363  +055.5700   +56  149  -13 00:57:32   +62.0283  +057.8306   +56  153  -12 00:57:40   +62.1945  +060.1045   +57  156  -11 00:57:47   +62.3347  +062.3899   +57  160  -10 00:57:55   +62.4489  +064.6850   +57  164  -09 00:58:02   +62.5369  +066.9877   +57  167  -08 00:58:10   +62.5987  +069.2958   +57  171  -07 00:58:17   +62.6342  +071.6072   +57  175  -06 00:58:25   +62.6435  +073.9197   +58  179  -05 00:58:32   +62.6265  +076.2308   +58  182  -04 00:58:40   +62.5833  +078.5384   +58  186  -02 00:58:47   +62.5141  +080.8402   +57  190  -01 00:58:55   +62.4188  +083.1340   +57  194  +00 00:59:02   +62.2977  +085.4178   +57  197  +01 00:59:10   +62.1508  +087.6896   +57  201  +02 00:59:17   +61.9784  +089.9476   +57  205  +03 00:59:25   +61.7807  +092.1901   +56  208  +04 00:59:32   +61.5578  +094.4156   +56  212  +05 00:59:40   +61.3099  +096.6229   +56  215  +06 00:59:47   +61.0374  +098.8107   +55  219  +07 00:59:55   +60.7404  +100.9783   +55  222  +08 01:00:02   +60.4190  +103.1249   +54  225  +09 01:00:10   +60.0735  +105.2501   +54  229  +11 01:00:17   +59.7040  +107.3535   +53  232  +12 01:00:25   +59.3107  +109.4352   +52  235  +13 01:00:32   +58.8936  +111.4954   +52  238  +14 01:00:40   +58.4529  +113.5343   +51  241  +15 01:00:47   +57.9884  +115.5526   +50  244  +16 01:00:55   +57.5002  +117.5511   +50  246  +17 01:01:02   +56.9881  +119.5307   +49  249  +18 01:01:10   +56.4519  +121.4928   +48  252  +19 01:01:17   +55.8913  +123.4386   +47  254  +21 01:01:25   +55.3059  +125.3698   +46  257  +22 01:01:32   +54.6953  +127.2884   +45  259  +23 01:01:40   +54.0587  +129.1964   +44  262  +24 01:01:47   +53.3953  +131.0962   +43  264  +25 01:01:55   +52.7041  +132.9905   +42  266  +27 01:02:02   +51.9838  +134.8825   +41  268  +28 01:02:10   +51.2331  +136.7754   +40  271  +29 01:02:17   +50.4500  +138.6734   +38  273  +30 01:02:25   +49.6322  +140.5811   +37  275  +32 01:02:32   +48.7771  +142.5037   +36  277  +33 01:02:40   +47.8813  +144.4477   +34  279  +34 01:02:47   +46.9404  +146.4207   +33  281  +35 01:02:55   +45.9490  +148.4321   +31  283  +37 01:03:02   +44.9003  +150.4937   +30  285  +38 01:03:10   +43.7849  +152.6208   +28  286  +40 01:03:17   +42.5905  +154.8339   +26  288  +41 01:03:25   +41.2990  +157.1617   +24  290  +43 01:03:32   +39.8841  +159.6471   +22  292  +44 01:03:40   +38.3025  +162.3588   +19  294  +46 01:03:47   +36.4760  +165.4224   +16  296  +47 01:03:55   +34.2287  +169.1203   +12  298  +49 01:04:02   +30.9045  +174.5129   +07  301  +51

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +29.8076 -029.2114 +29.9619 -028.8868 +34.3813 -021.7883 +34.4036 -021.6754 +36.8572 -017.7021 +36.8646 -017.6116 +38.7946 -014.4333 +38.7949 -014.3529 +40.4434 -011.5820 +40.4392 -011.5075 +41.9034 -008.9889 +41.8959 -008.9184 +43.2264 -006.5712 +43.2164 -006.5036 +44.4437 -004.2793 +44.4316 -004.2139 +45.5754 -002.0806 +45.5616 -002.0170 +46.6358 +000.0478 +46.6204 +000.1099 +47.6349 +002.1227 +47.6181 +002.1836 +48.5805 +004.1570 +48.5624 +004.2167 +49.4783 +006.1607 +49.4591 +006.2193 +50.3331 +008.1421 +50.3128 +008.1997 +51.1485 +010.1078 +51.1272 +010.1646 +51.9274 +012.0636 +51.9051 +012.1194 +52.6723 +014.0142 +52.6491 +014.0691 +53.3850 +015.9637 +53.3609 +016.0176 +54.0672 +017.9157 +54.0422 +017.9687 +54.7201 +019.8733 +54.6944 +019.9253 +55.3449 +021.8392 +55.3184 +021.8902 +55.9424 +023.8158 +55.9151 +023.8657 +56.5133 +025.8052 +56.4853 +025.8539 +57.0581 +027.8092 +57.0294 +027.8566 +57.5773 +029.8292 +57.5479 +029.8753 +58.0712 +031.8666 +58.0411 +031.9113 +58.5399 +033.9224 +58.5092 +033.9656 +58.9838 +035.9974 +58.9524 +036.0391 +59.4027 +038.0922 +59.3708 +038.1322 +59.7969 +040.2072 +59.7643 +040.2454 +60.1661 +042.3425 +60.1330 +042.3788 +60.5104 +044.4980 +60.4769 +044.5323 +60.8297 +046.6733 +60.7957 +046.7055 +61.1239 +048.8679 +61.0894 +048.8979 +61.3928 +051.0810 +61.3578 +051.1087 +61.6362 +053.3117 +61.6009 +053.3369 +61.8541 +055.5587 +61.8185 +055.5814 +62.0463 +057.8206 +62.0103 +057.8407 +62.2126 +060.0958 +62.1764 +060.1132 +62.3530 +062.3826 +62.3165 +062.3973 +62.4672 +064.6790 +62.4306 +064.6910 +62.5553 +066.9831 +62.5185 +066.9922 +62.6172 +069.2927 +62.5802 +069.2989 +62.6527 +071.6056 +62.6157 +071.6089 +62.6620 +073.9195 +62.6250 +073.9198 +62.6450 +076.2321 +62.6080 +076.2295 +62.6018 +078.5411 +62.5649 +078.5356 +62.5325 +080.8443 +62.4956 +080.8360 +62.4372 +083.1396 +62.4004 +083.1284 +62.3159 +085.4248 +62.2794 +085.4108 +62.1689 +087.6980 +62.1326 +087.6813 +61.9964 +089.9573 +61.9604 +089.9380 +61.7985 +092.2011 +61.7628 +092.1792 +61.5755 +094.4278 +61.5401 +094.4035 +61.3275 +096.6362 +61.2924 +096.6095 +61.0547 +098.8252 +61.0201 +098.7962 +60.7574 +100.9939 +60.7233 +100.9627 +60.4358 +103.1415 +60.4021 +103.1083 +60.0901 +105.2677 +60.0569 +105.2325 +59.7204 +107.3721 +59.6877 +107.3350 +59.3268 +109.4547 +59.2946 +109.4158 +58.9094 +111.5156 +58.8778 +111.4752 +58.4683 +113.5553 +58.4374 +113.5133 +58.0036 +115.5743 +57.9732 +115.5309 +57.5150 +117.5735 +57.4853 +117.5287 +57.0026 +119.5538 +56.9735 +119.5077 +56.4661 +121.5164 +56.4377 +121.4691 +55.9051 +123.4628 +55.8774 +123.4144 +55.3194 +125.3946 +55.2924 +125.3451 +54.7084 +127.3136 +54.6822 +127.2632 +54.0714 +129.2221 +54.0459 +129.1707 +53.4076 +131.1224 +53.3829 +131.0701 +52.7160 +133.0171 +52.6921 +132.9640 +51.9954 +134.9095 +51.9723 +134.8555 +51.2442 +136.8029 +51.2220 +136.7480 +50.4606 +138.7013 +50.4394 +138.6456 +49.6424 +140.6094 +49.6221 +140.5528 +48.7867 +142.5325 +48.7675 +142.4750 +47.8903 +144.4770 +47.8722 +144.4185 +46.9488 +146.4505 +46.9319 +146.3910 +45.9568 +148.4625 +45.9412 +148.4017 +44.9074 +150.5247 +44.8932 +150.4626 +43.7912 +152.6527 +43.7787 +152.5889 +42.5957 +154.8668 +42.5852 +154.8010 +41.3032 +157.1960 +41.2949 +157.1275 +39.8867 +159.6831 +39.8814 +159.6111 +38.3032 +162.3974 +38.3019 +162.3203 +36.4737 +165.4652 +36.4783 +165.3798 +34.2208 +169.1713 +34.2366 +169.0694 +30.8766 +174.5954 +30.9319 +174.4312 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.