Event between (470523) 08CS190 and star GA0800:04140446 with event index number of 1833729
Geocentric closest approach at 2028/02/10 11:18:09 UTC
J2000 position of star is 11:45:08.7 -08:00:51
Equinox of date position of star is 11:46:12.6 -08:07:48
Stellar brightness G=12.3,
use SENSEUP=16
Star is 41 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=25.9
[RECON map]
TNO is 38.4 AU from the Sun
and 37.6 AU from the Earth.
The TNO is moving 18.9
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 194 seconds.
The 1-sigma cross-track error in the shadow position is
3101 km.
The sky-plane scale is
27284.9 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=335.7 km assuming a 5% albedo -- 3.2 sec chord
Diameter=137.1 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is 5:3EE
Star training set for 470523, (2028/02/10 11:18UT) Object RA Dec mag sep mel Spica 13:26:40.7 -11:18:26 1.0 24.85 65 4Gam Crv 12:17:15.4 -17:41:52 2.6 12.10 53 PPM 194769 11:45:21.4 -06:50:01 6.1 1.37 40 PPM 194768 11:45:21.2 -09:17:19 7.1 1.16 42 PPM 194778 11:45:54.4 -08:14:40 8.8 0.18 41 470523 11:46:34.8 -08:10:13 12.3 42 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
4.6 sigma about the mid-time.
The median site spacing is 15.9 km
RECON observability=1.0 and success probability=9.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 11:18:15 | -38.0 | Dark | Up | 30.5 | 196.2 | Up | 11:03:15 - 11:33:15 | -959 |
| Kelowna | 11:18:15 | -38.3 | Dark | Up | 30.9 | 196.1 | Up | 11:03:15 - 11:33:15 | -981 |
| Peachland | 11:18:16 | -38.5 | Dark | Up | 31.0 | 195.8 | Up | 11:03:16 - 11:33:16 | -991 |
| Summerland | 11:18:15 | -38.5 | Dark | Up | 31.2 | 195.9 | Up | 11:03:15 - 11:33:15 | -998 |
| Penticton | 11:18:15 | -38.5 | Dark | Up | 31.2 | 196.0 | Up | 11:03:15 - 11:33:15 | -1000 |
| Oliver | 11:18:14 | -38.7 | Dark | Up | 31.5 | 196.1 | Up | 11:03:14 - 11:33:14 | -1020 |
| Anarchist Mountain Observatory | 11:18:13 | -38.6 | Dark | Up | 31.7 | 196.3 | Up | 11:03:13 - 11:33:13 | -1026 |
| Tonasket | 11:18:13 | -38.8 | Dark | Up | 32.0 | 196.3 | Up | 11:03:13 - 11:33:13 | -1045 |
| Okanogan | 11:18:13 | -39.0 | Dark | Up | 32.3 | 196.2 | Up | 11:03:13 - 11:33:13 | -1066 |
| Brewster | 11:18:13 | -39.3 | Dark | Up | 32.6 | 196.0 | Up | 11:03:13 - 11:33:13 | -1084 |
| Manson/Chelan | 11:18:14 | -39.6 | Dark | Up | 32.9 | 195.6 | Up | 11:03:14 - 11:33:14 | -1100 |
| Victoria | 11:18:27 | -41.2 | Dark | Up | 32.8 | 191.8 | Up | 11:03:27 - 11:33:27 | -1102 |
| Entiat | 11:18:14 | -39.7 | Dark | Up | 33.1 | 195.6 | Up | 11:03:14 - 11:33:14 | -1114 |
| Wenatchee | 11:18:14 | -39.9 | Dark | Up | 33.4 | 195.5 | Up | 11:03:14 - 11:33:14 | -1129 |
| Ellensburg | 11:18:14 | -40.2 | Dark | Up | 33.8 | 195.3 | Up | 11:03:14 - 11:33:14 | -1156 |
| Yakima | 11:18:13 | -40.4 | Dark | Up | 34.2 | 195.4 | Up | 11:03:13 - 11:33:13 | -1181 |
| Pasco | 11:18:08 | -39.6 | Dark | Up | 34.3 | 197.1 | Up | 11:03:08 - 11:33:08 | -1184 |
| Toppenish/White Swan | 11:18:12 | -40.4 | Dark | Up | 34.4 | 195.6 | Up | 11:03:12 - 11:33:12 | -1192 |
| PNWRO | 11:18:06 | -39.6 | Dark | Up | 34.5 | 197.4 | Up | 11:03:06 - 11:33:06 | -1196 |
| Goldendale | 11:18:14 | -40.9 | Dark | Up | 35.0 | 195.2 | Up | 11:03:14 - 11:33:14 | -1230 |
| The Dalles | 11:18:14 | -41.2 | Dark | Up | 35.3 | 194.8 | Up | 11:03:14 - 11:33:14 | -1249 |
| Maupin | 11:18:13 | -41.3 | Dark | Up | 35.7 | 195.0 | Up | 11:03:13 - 11:33:13 | -1273 |
| Redmond | 11:18:12 | -41.7 | Dark | Up | 36.6 | 195.1 | Up | 11:03:12 - 11:33:12 | -1331 |
| Sisters | 11:18:14 | -42.0 | Dark | Up | 36.6 | 194.6 | Up | 11:03:14 - 11:33:14 | -1335 |
| Bend | 11:18:13 | -41.9 | Dark | Up | 36.8 | 194.9 | Up | 11:03:13 - 11:33:13 | -1346 |
| Oregon Observatory | 11:18:13 | -42.1 | Dark | Up | 37.0 | 194.8 | Up | 11:03:13 - 11:33:13 | -1359 |
| La Pine/Gilchrist | 11:18:13 | -42.2 | Dark | Up | 37.2 | 194.8 | Up | 11:03:13 - 11:33:13 | -1373 |
| North Lake | 11:18:10 | -42.0 | Dark | Up | 37.5 | 195.6 | Up | 11:03:10 - 11:33:10 | -1394 |
| Paisley | 11:18:07 | -41.9 | Dark | Up | 38.0 | 196.1 | Up | 11:03:07 - 11:33:07 | -1425 |
| Niwot | 11:16:59 | -31.7 | Dark | Up | 35.4 | 214.6 | Up | 11:01:59 - 11:31:59 | -1427 |
| SwRI | 11:17:00 | -31.7 | Dark | Up | 35.6 | 214.6 | Up | 11:02:00 - 11:32:00 | -1436 |
| Lakeview | 11:18:06 | -42.0 | Dark | Up | 38.4 | 196.5 | Up | 11:03:06 - 11:33:06 | -1456 |
| Klamath Falls | 11:18:12 | -42.9 | Dark | Up | 38.7 | 194.7 | Up | 11:03:12 - 11:33:12 | -1473 |
| Cedarville | 11:18:04 | -42.1 | Dark | Up | 39.0 | 196.8 | Up | 11:03:04 - 11:33:04 | -1498 |
| Fall River/Burney | 11:18:08 | -43.1 | Dark | Up | 39.7 | 195.4 | Up | 11:03:08 - 11:33:08 | -1548 |
| Susanville | 11:18:04 | -42.8 | Dark | Up | 40.2 | 196.5 | Up | 11:03:04 - 11:33:04 | -1581 |
| Gimple | 11:18:05 | -43.1 | Dark | Up | 40.5 | 196.3 | Up | 11:03:05 - 11:33:05 | -1603 |
| Greenville | 11:18:05 | -43.1 | Dark | Up | 40.5 | 196.2 | Up | 11:03:05 - 11:33:05 | -1604 |
| Quincy | 11:18:05 | -43.2 | Dark | Up | 40.7 | 196.2 | Up | 11:03:05 - 11:33:05 | -1618 |
| Portola | 11:18:03 | -42.9 | Dark | Up | 40.7 | 196.9 | Up | 11:03:03 - 11:33:03 | -1621 |
| Reno | 11:17:59 | -42.5 | Dark | Up | 40.8 | 197.7 | Up | 11:02:59 - 11:32:59 | -1631 |
| Carson City | 11:17:59 | -42.6 | Dark | Up | 41.2 | 197.9 | Up | 11:02:59 - 11:32:59 | -1656 |
| Yerington | 11:17:56 | -42.2 | Dark | Up | 41.2 | 198.7 | Up | 11:02:56 - 11:32:56 | -1661 |
| Gardnerville | 11:17:58 | -42.7 | Dark | Up | 41.4 | 198.0 | Up | 11:02:58 - 11:32:58 | -1672 |
| Hawthorne | 11:17:53 | -42.0 | Dark | Up | 41.5 | 199.5 | Up | 11:02:53 - 11:32:53 | -1688 |
| Tonopah | 11:17:46 | -41.1 | Dark | Up | 41.6 | 201.4 | Up | 11:02:46 - 11:32:46 | -1702 |
| Lee Vining | 11:17:54 | -42.5 | Dark | Up | 42.2 | 199.1 | Up | 11:02:54 - 11:32:54 | -1734 |
| Bishop | 11:17:50 | -42.1 | Dark | Up | 42.5 | 200.1 | Up | 11:02:50 - 11:32:50 | -1769 |
| Beatty | 11:17:42 | -41.0 | Dark | Up | 42.5 | 202.4 | Up | 11:02:42 - 11:32:42 | -1782 |
| Indian Springs | 11:17:36 | -40.3 | Dark | Up | 42.5 | 203.8 | Up | 11:02:36 - 11:32:36 | -1792 |
| Henderson | 11:17:33 | -39.9 | Dark | Up | 42.7 | 204.9 | Up | 11:02:33 - 11:32:33 | -1823 |
| Patrick | 11:17:26 | -39.1 | Dark | Up | 42.9 | 206.5 | Up | 11:02:26 - 11:32:26 | -1856 |
| Searchlight/Boulder City | 11:17:32 | -39.9 | Dark | Up | 43.2 | 205.2 | Up | 11:02:32 - 11:32:32 | -1865 |
| DCO | 11:17:23 | -38.6 | Dark | Up | 42.9 | 207.5 | Up | 11:02:23 - 11:32:23 | -1871 |
| Kingman/Dolan Springs | 11:17:27 | -39.3 | Dark | Up | 43.2 | 206.4 | Up | 11:02:27 - 11:32:27 | -1875 |
| Laughlin/Bullhead City | 11:17:29 | -39.7 | Dark | Up | 43.4 | 205.7 | Up | 11:02:29 - 11:32:29 | -1884 |
| Mohave Valley | 11:17:28 | -39.8 | Dark | Up | 43.6 | 205.9 | Up | 11:02:28 - 11:32:28 | -1905 |
| Lake Havasu City | 11:17:27 | -39.6 | Dark | Up | 43.9 | 206.3 | Up | 11:02:27 - 11:32:27 | -1932 |
| CPSLO | 11:17:57 | -44.4 | Dark | Up | 45.1 | 197.8 | Up | 11:02:57 - 11:32:57 | -1955 |
| Parker | 11:17:26 | -39.7 | Dark | Up | 44.2 | 206.5 | Up | 11:02:26 - 11:32:26 | -1959 |
| George/Scottsdale | 11:17:14 | -37.8 | Dark | Up | 43.7 | 209.7 | Up | 11:02:14 - 11:32:14 | -1962 |
| Blythe | 11:17:27 | -40.0 | Dark | Up | 44.8 | 206.4 | Up | 11:02:27 - 11:32:27 | -2004 |
| Wildwood | 11:17:46 | -43.1 | Dark | Up | 45.7 | 201.0 | Up | 11:02:46 - 11:32:46 | -2020 |
| Idyllwild | 11:17:36 | -41.7 | Dark | Up | 45.4 | 203.6 | Up | 11:02:36 - 11:32:36 | -2021 |
| Calipatria | 11:17:30 | -40.9 | Dark | Up | 45.6 | 205.4 | Up | 11:02:30 - 11:32:30 | -2054 |
| Yuma | 11:17:25 | -40.2 | Dark | Up | 45.6 | 206.7 | Up | 11:02:25 - 11:32:25 | -2077 |
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 470523, (2028/02/10 11:18UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 24.85 65 4Gam Crv 12:15:48.1 -17:32:31 2.6 12.10 53 PPM 194769 11:43:55.2 -06:40:39 6.1 1.37 40 PPM 194768 11:43:55.1 -09:07:57 7.1 1.16 42 PPM 194778 11:44:28.3 -08:05:18 8.8 0.18 41 470523 11:45:08.7 -08:00:51 12.3 41 Positions are for J2000
Event circumstances last updated at 2020/11/06 22:10:22 UT
Marc W. Buie, Southwest Research Institute