Event between (342842) 08YB3 and star GA1220:07372456 with event index number of 2203529
Geocentric closest approach at 2024/10/18 07:36:50 UTC
J2000 position of star is 19:42:07.4 +32:33:08
Equinox of date position of star is 19:43:03.1 +32:36:38
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 88 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=21.7
[RECON map]
Object is 15.5 AU from the Sun
and 15.4 AU from the Earth.
Apparent velocity is 29.8
km/sec on the sky relative to the star, or,
9.6 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
574 km.
The sky-plane scale is
11150.8 km/arcsec.
The object has an absolute magnitude Hv=9.5
Diameter=82.8 km assuming a 5% albedo -- 2.6 sec chord
Diameter=33.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2024/10/18 07:39UT) Object RA Dec mag sep mel Vega 18:37:46.7 +38:48:28 0.0 14.60 98 37Gam Cyg 20:23:07.2 +40:20:14 2.2 11.14 78 PPM 083318 19:40:40.9 +34:02:15 6.2 1.51 88 PPM 083374 19:42:35.6 +33:08:33 7.1 0.54 88 PPM 083358 19:41:54.1 +32:40:39 9.7 0.26 88 PPM 083381 19:42:53.1 +32:28:06 10.5 0.15 88 342842 19:43:04.6 +32:36:43 15.1 88 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
5.0 sigma about the mid-time.
The median site spacing is 22.2 km
RECON observability=0.7 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Yuma | 07:35:17 | -67.0 | Dark | Up | 16.2 | 298.6 | Really Low | 07:30:21 - 07:40:13 | 3031 |
| Calipatria | 07:35:18 | -66.6 | Dark | Up | 17.1 | 298.2 | Really Low | 07:30:22 - 07:40:14 | 3004 |
| George/Scottsdale | 07:35:10 | -65.6 | Dark | Up | 14.7 | 299.6 | Really Low | 07:30:14 - 07:40:06 | 2967 |
| Idyllwild | 07:35:18 | -66.1 | Dark | Up | 18.2 | 297.5 | Really Low | 07:30:22 - 07:40:14 | 2967 |
| Wildwood | 07:35:20 | -65.7 | Dark | Up | 19.8 | 296.6 | Really Low | 07:30:24 - 07:40:16 | 2935 |
| Lake Havasu City | 07:35:12 | -65.2 | Dark | Up | 16.8 | 298.3 | Really Low | 07:30:16 - 07:40:08 | 2925 |
| Laughlin/Bullhead City | 07:35:11 | -64.5 | Dark | Up | 17.3 | 298.0 | Really Low | 07:30:15 - 07:40:07 | 2884 |
| Patrick | 07:35:09 | -64.2 | Dark | Up | 17.0 | 298.3 | Really Low | 07:30:13 - 07:40:05 | 2869 |
| Beatty | 07:35:10 | -62.9 | Dark | Up | 19.7 | 296.5 | Really Low | 07:30:14 - 07:40:06 | 2771 |
| Bishop | 07:35:11 | -62.5 | Dark | Up | 21.1 | 295.5 | Low | 07:30:15 - 07:40:07 | 2733 |
| Lee Vining | 07:35:11 | -61.8 | Dark | Up | 21.9 | 295.0 | Low | 07:30:15 - 07:40:07 | 2690 |
| Hawthorne | 07:35:08 | -61.3 | Dark | Up | 21.8 | 295.0 | Low | 07:30:12 - 07:40:04 | 2655 |
| Yerington | 07:35:08 | -60.8 | Dark | Up | 22.3 | 294.6 | Low | 07:30:12 - 07:40:04 | 2621 |
| Gardnerville | 07:35:09 | -60.8 | Dark | Up | 22.7 | 294.3 | Low | 07:30:13 - 07:40:05 | 2619 |
| Carson City | 07:35:08 | -60.6 | Dark | Up | 22.9 | 294.2 | Low | 07:30:12 - 07:40:04 | 2603 |
| Reno | 07:35:08 | -60.2 | Dark | Up | 23.0 | 294.0 | Low | 07:30:12 - 07:40:04 | 2578 |
| Portola | 07:35:08 | -59.9 | Dark | Up | 23.6 | 293.6 | Low | 07:30:12 - 07:40:04 | 2554 |
| Quincy | 07:35:08 | -59.7 | Dark | Up | 24.0 | 293.3 | Low | 07:30:12 - 07:40:04 | 2541 |
| Gimple | 07:35:08 | -59.5 | Dark | Up | 24.0 | 293.3 | Low | 07:30:12 - 07:40:04 | 2528 |
| Greenville | 07:35:08 | -59.5 | Dark | Up | 24.1 | 293.2 | Low | 07:30:12 - 07:40:04 | 2527 |
| CU-SBO | 07:34:44 | -58.0 | Dark | Up | 13.4 | 301.5 | Really Low | 07:29:48 - 07:39:40 | 2511 |
| Nikitin | 07:34:44 | -57.9 | Dark | Up | 13.4 | 301.5 | Really Low | 07:29:48 - 07:39:40 | 2505 |
| Dunrhomin | 07:34:43 | -57.7 | Dark | Up | 13.5 | 301.5 | Really Low | 07:29:47 - 07:39:39 | 2492 |
| Fall River/Burney | 07:35:06 | -58.6 | Dark | Up | 24.7 | 292.6 | Low | 07:30:10 - 07:40:02 | 2459 |
| Cedarville | 07:35:03 | -58.2 | Dark | Up | 24.1 | 293.0 | Low | 07:30:07 - 07:39:59 | 2437 |
| Klamath Falls | 07:35:04 | -57.4 | Dark | Up | 25.4 | 291.9 | Low | 07:30:08 - 07:40:00 | 2372 |
| Chiloquin | 07:35:03 | -57.0 | Dark | Up | 25.6 | 291.7 | Low | 07:30:07 - 07:39:59 | 2346 |
| Oregon Observatory | 07:34:59 | -55.8 | Dark | Up | 25.8 | 291.3 | Low | 07:30:03 - 07:39:55 | 2254 |
| Bend | 07:34:58 | -55.6 | Dark | Up | 25.8 | 291.3 | Low | 07:30:02 - 07:39:54 | 2242 |
| Sisters | 07:34:58 | -55.4 | Dark | Up | 26.1 | 291.1 | Low | 07:30:02 - 07:39:54 | 2222 |
| Maupin | 07:34:55 | -54.5 | Dark | Up | 26.1 | 290.9 | Low | 07:29:59 - 07:39:51 | 2160 |
| The Dalles | 07:34:55 | -54.1 | Dark | Up | 26.3 | 290.7 | Low | 07:29:59 - 07:39:51 | 2126 |
| PNWRO | 07:34:50 | -53.8 | Dark | Up | 25.0 | 291.9 | Low | 07:29:54 - 07:39:46 | 2113 |
| Toppenish/White Swan | 07:34:52 | -53.4 | Dark | Up | 26.1 | 290.8 | Low | 07:29:56 - 07:39:48 | 2073 |
| Yakima | 07:34:51 | -53.1 | Dark | Up | 26.3 | 290.6 | Low | 07:29:55 - 07:39:47 | 2055 |
| Ellensburg | 07:34:50 | -52.7 | Dark | Up | 26.4 | 290.4 | Low | 07:29:54 - 07:39:46 | 2024 |
| Wenatchee | 07:34:49 | -52.3 | Dark | Up | 26.4 | 290.3 | Low | 07:29:53 - 07:39:45 | 1992 |
| Manson/Chelan | 07:34:48 | -51.9 | Dark | Up | 26.5 | 290.2 | Low | 07:29:52 - 07:39:44 | 1956 |
| Brewster | 07:34:47 | -51.7 | Dark | Up | 26.3 | 290.4 | Low | 07:29:51 - 07:39:43 | 1942 |
| Okanogan | 07:34:46 | -51.4 | Dark | Up | 26.3 | 290.4 | Low | 07:29:50 - 07:39:42 | 1922 |
| Victoria | 07:34:51 | -51.0 | Dark | Up | 28.7 | 287.9 | Low | 07:29:55 - 07:39:47 | 1873 |
| Anarchist Mountain Observatory | 07:34:45 | -50.8 | Dark | Up | 26.4 | 290.2 | Low | 07:29:49 - 07:39:41 | 1871 |
| Oliver | 07:34:44 | -50.6 | Dark | Up | 26.5 | 290.0 | Low | 07:29:48 - 07:39:40 | 1855 |
| Penticton | 07:34:43 | -50.3 | Dark | Up | 26.7 | 289.8 | Low | 07:29:47 - 07:39:39 | 1827 |
| Summerland | 07:34:43 | -50.2 | Dark | Up | 26.7 | 289.7 | Low | 07:29:47 - 07:39:39 | 1820 |
| Peachland | 07:34:43 | -50.0 | Dark | Up | 26.9 | 289.6 | Low | 07:29:47 - 07:39:39 | 1808 |
| Kelowna | 07:34:42 | -49.9 | Dark | Up | 26.7 | 289.7 | Low | 07:29:46 - 07:39:38 | 1800 |
| Kamloops | 07:34:42 | -49.1 | Dark | Up | 27.5 | 288.7 | Low | 07:29:46 - 07:39:38 | 1727 |
| Sleaford | 07:34:21 | -46.7 | Dark | Up | 19.9 | 297.9 | Really Low | 07:29:25 - 07:39:17 | 1590 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 342842, (2024/10/18 07:39UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 14.60 98 37Gam Cyg 20:22:13.7 +40:15:24 2.2 11.14 78 PPM 083318 19:39:44.9 +33:58:44 6.2 1.51 88 PPM 083374 19:41:38.9 +33:04:59 7.1 0.54 88 PPM 083358 19:40:57.0 +32:37:06 9.7 0.26 88 PPM 083381 19:41:55.8 +32:24:32 10.5 0.15 88 342842 19:42:07.4 +32:33:08 15.1 88 Positions are for J2000
Event circumstances last updated at 2024/03/02 05:59:17 UT
Marc W. Buie, Southwest Research Institute