Event between (601690) 13KZ18 and star GA1380:00754904 with event index number of 2733467
Geocentric closest approach at 2028/12/03 09:40:15 UTC
J2000 position of star is 01:32:01.6 +49:47:10
Equinox of date position of star is 01:33:29.2 +49:54:26
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 55 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=22.5
[RECON map]
Object is 22.4 AU from the Sun
and 21.7 AU from the Earth.
Apparent velocity is 21.1
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
3123 km.
The sky-plane scale is
15748.5 km/arcsec.
The object has an absolute magnitude Hv=8.9
Diameter=100.5 km assuming a 5% albedo -- 4.8 sec chord
Diameter=41.0 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 601690, (2028/12/03 09:42UT) Object RA Dec mag sep mel Deneb 20:42:25.1 +45:23:06 1.3 47.30 100 57Gam1And 02:05:41.3 +42:28:02 2.3 9.27 49 51 And 01:39:47.1 +48:46:26 3.6 1.51 54 PPM 044058 01:31:52.9 +50:05:27 8.5 0.35 55 PPM 044137 01:35:44.7 +49:50:25 9.2 0.33 55 PPM 044120 01:35:11.0 +49:49:17 10.9 0.25 55 601690 01:33:48.6 +49:56:03 14.9 55 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 27.1 km
RECON observability=1.0 and success probability=18.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:36:25 | -46.8 | Dark | Up | 38.1 | 304.9 | Up | 09:25:42 - 09:47:08 | 2191 |
| Kamloops | 09:36:57 | -54.9 | Dark | Up | 44.9 | 299.0 | Up | 09:26:14 - 09:47:40 | 1715 |
| Kelowna | 09:36:55 | -55.0 | Dark | Up | 44.0 | 300.1 | Up | 09:26:12 - 09:47:38 | 1645 |
| Peachland | 09:36:56 | -55.2 | Dark | Up | 44.1 | 300.0 | Up | 09:26:13 - 09:47:39 | 1629 |
| Summerland | 09:36:55 | -55.3 | Dark | Up | 44.0 | 300.2 | Up | 09:26:12 - 09:47:38 | 1615 |
| Penticton | 09:36:55 | -55.3 | Dark | Up | 43.9 | 300.3 | Up | 09:26:12 - 09:47:38 | 1610 |
| Oliver | 09:36:55 | -55.5 | Dark | Up | 43.7 | 300.6 | Up | 09:26:12 - 09:47:38 | 1573 |
| Anarchist Mountain Observatory | 09:36:55 | -55.5 | Dark | Up | 43.5 | 300.8 | Up | 09:26:12 - 09:47:38 | 1559 |
| Okanogan | 09:36:55 | -56.1 | Dark | Up | 43.3 | 301.3 | Up | 09:26:12 - 09:47:38 | 1489 |
| Brewster | 09:36:56 | -56.3 | Dark | Up | 43.3 | 301.4 | Up | 09:26:13 - 09:47:39 | 1457 |
| Victoria | 09:37:06 | -57.8 | Dark | Up | 45.6 | 299.5 | Up | 09:26:23 - 09:47:49 | 1446 |
| Manson/Chelan | 09:36:57 | -56.7 | Dark | Up | 43.4 | 301.4 | Up | 09:26:14 - 09:47:40 | 1429 |
| Wenatchee | 09:36:58 | -57.1 | Dark | Up | 43.3 | 301.7 | Up | 09:26:15 - 09:47:41 | 1378 |
| Ellensburg | 09:36:58 | -57.4 | Dark | Up | 43.2 | 302.0 | Up | 09:26:15 - 09:47:41 | 1332 |
| Yakima | 09:36:58 | -57.7 | Dark | Up | 43.0 | 302.3 | Up | 09:26:15 - 09:47:41 | 1290 |
| Toppenish/White Swan | 09:36:58 | -57.8 | Dark | Up | 42.7 | 302.5 | Up | 09:26:15 - 09:47:41 | 1271 |
| PNWRO | 09:36:54 | -57.2 | Dark | Up | 41.7 | 303.4 | Up | 09:26:11 - 09:47:37 | 1260 |
| The Dalles | 09:37:00 | -58.7 | Dark | Up | 42.8 | 302.8 | Up | 09:26:17 - 09:47:43 | 1178 |
| Maupin | 09:37:00 | -58.9 | Dark | Up | 42.5 | 303.2 | Up | 09:26:17 - 09:47:43 | 1137 |
| Dunrhomin | 09:36:18 | -50.7 | Dark | Up | 30.3 | 311.6 | Up | 09:25:35 - 09:47:01 | 1093 |
| Nikitin | 09:36:18 | -50.8 | Dark | Up | 30.2 | 311.7 | Up | 09:25:35 - 09:47:01 | 1075 |
| CU-SBO | 09:36:19 | -50.8 | Dark | Up | 30.2 | 311.7 | Up | 09:25:36 - 09:47:02 | 1067 |
| Sisters | 09:37:02 | -59.7 | Dark | Up | 42.3 | 303.7 | Up | 09:26:19 - 09:47:45 | 1039 |
| Bend | 09:37:01 | -59.7 | Dark | Up | 42.0 | 304.0 | Up | 09:26:18 - 09:47:44 | 1020 |
| Oregon Observatory | 09:37:02 | -59.9 | Dark | Up | 42.0 | 304.0 | Up | 09:26:19 - 09:47:45 | 1000 |
| Chiloquin | 09:37:04 | -60.9 | Dark | Up | 41.5 | 304.9 | Up | 09:26:21 - 09:47:47 | 861 |
| Klamath Falls | 09:37:03 | -61.1 | Dark | Up | 41.2 | 305.2 | Up | 09:26:20 - 09:47:46 | 828 |
| Cedarville | 09:36:59 | -60.5 | Dark | Up | 39.9 | 306.1 | Up | 09:26:16 - 09:47:42 | 788 |
| Fall River/Burney | 09:37:03 | -61.5 | Dark | Up | 40.3 | 306.1 | Up | 09:26:20 - 09:47:46 | 718 |
| Gimple | 09:37:02 | -61.7 | Dark | Up | 39.5 | 306.8 | Up | 09:26:19 - 09:47:45 | 639 |
| Greenville | 09:37:02 | -61.7 | Dark | Up | 39.5 | 306.8 | Up | 09:26:19 - 09:47:45 | 637 |
| Quincy | 09:37:02 | -61.8 | Dark | Up | 39.4 | 307.0 | Up | 09:26:19 - 09:47:45 | 618 |
| Portola | 09:37:01 | -61.6 | Dark | Up | 39.0 | 307.2 | Up | 09:26:18 - 09:47:44 | 614 |
| Reno | 09:36:59 | -61.3 | Dark | Up | 38.5 | 307.5 | Up | 09:26:16 - 09:47:42 | 601 |
| Carson City | 09:36:59 | -61.4 | Dark | Up | 38.2 | 307.7 | Up | 09:26:16 - 09:47:42 | 567 |
| Yerington | 09:36:58 | -61.1 | Dark | Up | 37.7 | 308.0 | Up | 09:26:15 - 09:47:41 | 561 |
| Gardnerville | 09:36:59 | -61.5 | Dark | Up | 38.1 | 307.9 | Up | 09:26:16 - 09:47:42 | 544 |
| Hawthorne | 09:36:56 | -60.9 | Dark | Up | 37.1 | 308.4 | Up | 09:26:13 - 09:47:39 | 528 |
| Lee Vining | 09:36:58 | -61.5 | Dark | Up | 37.1 | 308.6 | Up | 09:26:15 - 09:47:41 | 463 |
| Bishop | 09:36:56 | -61.3 | Dark | Up | 36.2 | 309.2 | Up | 09:26:13 - 09:47:39 | 423 |
| Beatty | 09:36:52 | -60.3 | Dark | Up | 35.0 | 309.8 | Up | 09:26:09 - 09:47:35 | 418 |
| Patrick | 09:36:44 | -58.5 | Dark | Up | 32.2 | 311.3 | Up | 09:26:01 - 09:47:27 | 358 |
| Laughlin/Bullhead City | 09:36:46 | -59.2 | Dark | Up | 32.5 | 311.2 | Up | 09:26:03 - 09:47:29 | 316 |
| George/Scottsdale | 09:36:39 | -57.3 | Dark | Up | 29.9 | 312.5 | Low | 09:25:56 - 09:47:22 | 268 |
| Lake Havasu City | 09:36:46 | -59.1 | Dark | Up | 31.9 | 311.6 | Up | 09:26:03 - 09:47:29 | 262 |
| Idyllwild | 09:36:54 | -61.2 | Dark | Up | 32.9 | 311.4 | Up | 09:26:11 - 09:47:37 | 128 |
| Wildwood | 09:37:00 | -62.6 | Dark | Up | 34.3 | 310.9 | Up | 09:26:17 - 09:47:43 | 115 |
| Calipatria | 09:36:51 | -60.4 | Dark | Up | 31.7 | 312.0 | Up | 09:26:08 - 09:47:34 | 105 |
| Yuma | 09:36:48 | -59.8 | Dark | Up | 30.9 | 312.3 | Up | 09:26:05 - 09:47:31 | 92 |
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 601690, (2028/12/03 09:42UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.30 100 57Gam1And 02:03:54.1 +42:19:46 2.3 9.27 49 51 And 01:37:59.7 +48:37:39 3.6 1.51 54 PPM 044058 01:30:06.1 +49:56:32 8.5 0.35 55 PPM 044137 01:33:57.3 +49:41:34 9.2 0.33 55 PPM 044120 01:33:23.8 +49:40:25 10.9 0.25 55 601690 01:32:01.6 +49:47:10 14.9 55 Positions are for J2000
Event circumstances last updated at 2023/09/04 01:06:26 UT
Marc W. Buie, Southwest Research Institute