Event between (612240) 01QE298 and star GA1040:00211477 with event index number of 2811710
Geocentric closest approach at 2028/10/13 09:06:26 UTC
J2000 position of star is 02:02:36.3 +14:10:33
Equinox of date position of star is 02:03:49.1 +14:16:59
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 30% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 37.1 AU from the Sun
and 36.1 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 476 seconds.
The 1-sigma cross-track error in the shadow position is
5680 km.
The sky-plane scale is
26189.3 km/arcsec.
The TNO has an absolute magnitude Hv=7.7
Diameter=174.6 km assuming a 5% albedo -- 7.3 sec chord
Diameter=71.3 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 7:4EEE
Star training set for 612240, (2028/10/13 09:06UT) Object RA Dec mag sep mel Aldebaran 04:37:34.5 +16:33:54 0.8 36.98 65 6Bet Ari 01:56:14.2 +20:56:52 2.6 6.90 101 PPM 117850 02:00:58.6 +12:26:00 6.1 2.03 103 PPM 117893 02:04:08.3 +13:36:51 7.6 0.70 101 PPM 117916 02:05:30.1 +14:19:16 9.5 0.32 101 PPM 117889 02:03:56.4 +14:14:56 10.9 0.08 101 612240 02:04:09.8 +14:18:49 16.6 101 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
1.9 sigma about the mid-time.
The median site spacing is 26.7 km
RECON observability=1.0 and success probability=9.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 09:05:15 | -44.4 | Dark | Up | 53.0 | 192.5 | Up | 08:50:15 - 09:20:15 | -1187 |
| Kelowna | 09:05:13 | -44.9 | Dark | Up | 53.6 | 194.2 | Up | 08:50:13 - 09:20:13 | -1278 |
| Peachland | 09:05:13 | -45.1 | Dark | Up | 53.8 | 193.8 | Up | 08:50:13 - 09:20:13 | -1281 |
| Summerland | 09:05:14 | -45.2 | Dark | Up | 53.9 | 194.0 | Up | 08:50:14 - 09:20:14 | -1297 |
| Penticton | 09:05:13 | -45.2 | Dark | Up | 54.0 | 194.2 | Up | 08:50:13 - 09:20:13 | -1305 |
| Sleaford | 09:04:36 | -38.1 | Dark | Up | 48.2 | 213.1 | Up | 08:49:36 - 09:19:36 | -1311 |
| Victoria | 09:05:25 | -47.2 | Dark | Up | 55.4 | 188.1 | Up | 08:50:25 - 09:20:25 | -1314 |
| Oliver | 09:05:13 | -45.5 | Dark | Up | 54.3 | 194.3 | Up | 08:50:13 - 09:20:13 | -1337 |
| Anarchist Mountain Observatory | 09:05:13 | -45.6 | Dark | Up | 54.4 | 194.7 | Up | 08:50:13 - 09:20:13 | -1356 |
| Tonasket | 09:05:13 | -45.9 | Dark | Up | 54.7 | 194.7 | Up | 08:50:13 - 09:20:13 | -1383 |
| Okanogan | 09:05:14 | -46.2 | Dark | Up | 55.1 | 194.5 | Up | 08:50:14 - 09:20:14 | -1410 |
| Brewster | 09:05:15 | -46.5 | Dark | Up | 55.4 | 194.3 | Up | 08:50:15 - 09:20:15 | -1430 |
| Manson/Chelan | 09:05:16 | -46.8 | Dark | Up | 55.6 | 193.8 | Up | 08:50:16 - 09:20:16 | -1442 |
| Wenatchee | 09:05:17 | -47.3 | Dark | Up | 56.1 | 193.6 | Up | 08:50:17 - 09:20:17 | -1481 |
| Ellensburg | 09:05:18 | -47.7 | Dark | Up | 56.6 | 193.4 | Up | 08:50:18 - 09:20:18 | -1514 |
| Yakima | 09:05:18 | -48.1 | Dark | Up | 57.0 | 193.5 | Up | 08:50:18 - 09:20:18 | -1552 |
| Toppenish/White Swan | 09:05:18 | -48.2 | Dark | Up | 57.2 | 193.9 | Up | 08:50:18 - 09:20:18 | -1575 |
| Goldendale | 09:05:20 | -48.8 | Dark | Up | 57.8 | 193.4 | Up | 08:50:20 - 09:20:20 | -1617 |
| The Dalles | 09:05:21 | -49.1 | Dark | Up | 58.0 | 192.8 | Up | 08:50:21 - 09:20:21 | -1630 |
| PNWRO | 09:05:14 | -48.0 | Dark | Up | 57.2 | 196.7 | Up | 08:50:14 - 09:20:14 | -1642 |
| Maupin | 09:05:21 | -49.5 | Dark | Up | 58.4 | 193.2 | Up | 08:50:21 - 09:20:21 | -1671 |
| Sisters | 09:05:23 | -50.4 | Dark | Up | 59.4 | 192.6 | Up | 08:50:23 - 09:20:23 | -1742 |
| Bend | 09:05:23 | -50.5 | Dark | Up | 59.6 | 193.2 | Up | 08:50:23 - 09:20:23 | -1770 |
| Oregon Observatory | 09:05:23 | -50.7 | Dark | Up | 59.7 | 193.0 | Up | 08:50:23 - 09:20:23 | -1783 |
| North Lake | 09:05:22 | -51.1 | Dark | Up | 60.3 | 194.3 | Up | 08:50:22 - 09:20:22 | -1856 |
| Chiloquin | 09:05:26 | -52.0 | Dark | Up | 61.1 | 192.7 | Up | 08:50:26 - 09:20:26 | -1898 |
| Klamath Falls | 09:05:26 | -52.3 | Dark | Up | 61.4 | 193.0 | Up | 08:50:26 - 09:20:26 | -1933 |
| Lakeview | 09:05:21 | -51.8 | Dark | Up | 61.2 | 195.8 | Up | 08:50:21 - 09:20:21 | -1970 |
| Cedarville | 09:05:22 | -52.3 | Dark | Up | 61.8 | 196.5 | Up | 08:50:22 - 09:20:22 | -2038 |
| Fall River/Burney | 09:05:26 | -53.2 | Dark | Up | 62.5 | 194.3 | Up | 08:50:26 - 09:20:26 | -2055 |
| Susanville | 09:05:24 | -53.4 | Dark | Up | 63.0 | 196.2 | Up | 08:50:24 - 09:20:24 | -2134 |
| Greenville | 09:05:25 | -53.7 | Dark | Up | 63.3 | 195.7 | Up | 08:50:25 - 09:20:25 | -2154 |
| Gimple | 09:05:25 | -53.7 | Dark | Up | 63.3 | 195.9 | Up | 08:50:25 - 09:20:25 | -2156 |
| Quincy | 09:05:26 | -53.9 | Dark | Up | 63.5 | 195.8 | Up | 08:50:26 - 09:20:26 | -2174 |
| Portola | 09:05:24 | -53.8 | Dark | Up | 63.5 | 196.9 | Up | 08:50:24 - 09:20:24 | -2198 |
| Reno | 09:05:23 | -53.8 | Dark | Up | 63.6 | 198.4 | Up | 08:50:23 - 09:20:23 | -2240 |
| Carson City | 09:05:23 | -54.0 | Dark | Up | 63.9 | 198.7 | Up | 08:50:23 - 09:20:23 | -2276 |
| Gardnerville | 09:05:22 | -54.2 | Dark | Up | 64.2 | 198.9 | Up | 08:50:22 - 09:20:22 | -2301 |
| Yerington | 09:05:20 | -53.9 | Dark | Up | 64.0 | 200.1 | Up | 08:50:20 - 09:20:20 | -2310 |
| Hawthorne | 09:05:19 | -54.0 | Dark | Up | 64.2 | 201.6 | Up | 08:50:19 - 09:20:19 | -2369 |
| Lee Vining | 09:05:21 | -54.7 | Dark | Up | 64.9 | 201.0 | Up | 08:50:21 - 09:20:21 | -2413 |
| Tonopah | 09:05:15 | -53.7 | Dark | Up | 64.2 | 204.9 | Up | 08:50:15 - 09:20:15 | -2449 |
| Dunrhomin | 09:04:34 | -45.5 | Dark | Up | 57.2 | 223.9 | Up | 08:49:34 - 09:19:34 | -2476 |
| Bishop | 09:05:19 | -54.8 | Dark | Up | 65.2 | 203.1 | Up | 08:50:19 - 09:20:19 | -2491 |
| CU-SBO | 09:04:34 | -45.7 | Dark | Up | 57.4 | 224.0 | Up | 08:49:34 - 09:19:34 | -2500 |
| Beatty | 09:05:14 | -54.4 | Dark | Up | 65.1 | 207.0 | Up | 08:50:14 - 09:20:14 | -2577 |
| Indian Springs | 09:05:11 | -54.0 | Dark | Up | 65.0 | 209.6 | Up | 08:50:11 - 09:20:11 | -2636 |
| Henderson | 09:05:09 | -54.0 | Dark | Up | 65.2 | 211.6 | Up | 08:50:09 - 09:20:09 | -2706 |
| Patrick | 09:05:05 | -53.8 | Dark | Up | 65.2 | 214.6 | Up | 08:50:05 - 09:20:05 | -2796 |
| Laughlin/Bullhead City | 09:05:08 | -54.4 | Dark | Up | 65.7 | 213.5 | Up | 08:50:08 - 09:20:08 | -2805 |
| Kingman/Dolan Springs | 09:05:06 | -54.1 | Dark | Up | 65.5 | 214.5 | Up | 08:50:06 - 09:20:06 | -2815 |
| Wildwood | 09:05:23 | -57.4 | Dark | Up | 68.3 | 205.8 | Up | 08:50:23 - 09:20:23 | -2816 |
| Mohave Valley | 09:05:08 | -54.6 | Dark | Up | 66.0 | 213.8 | Up | 08:50:08 - 09:20:08 | -2833 |
| Lake Havasu City | 09:05:07 | -54.7 | Dark | Up | 66.2 | 214.8 | Up | 08:50:07 - 09:20:07 | -2880 |
| Idyllwild | 09:05:17 | -56.6 | Dark | Up | 67.9 | 210.6 | Up | 08:50:17 - 09:20:17 | -2900 |
| Parker | 09:05:08 | -54.9 | Dark | Up | 66.5 | 215.4 | Up | 08:50:08 - 09:20:08 | -2917 |
| Calipatria | 09:05:13 | -56.4 | Dark | Up | 67.9 | 214.1 | Up | 08:50:13 - 09:20:13 | -2993 |
| George/Scottsdale | 09:04:59 | -53.7 | Dark | Up | 65.6 | 220.8 | Up | 08:49:59 - 09:19:59 | -3017 |
| Yuma | 09:05:10 | -56.1 | Dark | Up | 67.8 | 216.7 | Up | 08:50:10 - 09:20:10 | -3059 |
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 612240, (2028/10/13 09:06UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 36.98 65 6Bet Ari 01:54:38.6 +20:48:26 2.6 6.90 101 PPM 117850 01:59:25.9 +12:17:40 6.1 2.03 103 PPM 117893 02:02:35.1 +13:28:35 7.6 0.70 101 PPM 117916 02:03:56.5 +14:11:02 9.5 0.32 101 PPM 117889 02:02:22.9 +14:06:41 10.9 0.08 101 612240 02:02:36.3 +14:10:33 16.6 101 Positions are for J2000
Event circumstances last updated at 2022/05/29 23:06:38 UT
Marc W. Buie, Southwest Research Institute