Event between (54598) Bienor and star GA1300:03567685 with event index number of 1299489
Geocentric closest approach at 2024/03/12 03:29:17 UTC
J2000 position of star is 06:34:56.7 +41:09:12
Equinox of date position of star is 06:36:20.7 +41:08:10
Stellar brightness G=13.9,
use SENSEUP=64
Star is 80 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=19.1
[RECON map]
TNO is 13.5 AU from the Sun
and 13.2 AU from the Earth.
The TNO is moving 10.4
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 58 seconds.
The 1-sigma cross-track error in the shadow position is
1515 km.
The sky-plane scale is
9595.7 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=190.6 km assuming a 5% albedo -- 18.4 sec chord
Diameter=77.8 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is CENTAURR
Star training set for 54598, (2024/03/12 03:29UT) Object RA Dec mag sep mel Pollux 07:46:47.8 +27:57:57 1.1 19.47 96 34Bet Aur 06:01:18.3 +44:56:50 1.9 7.49 74 52Psi3Aur 06:40:30.2 +39:52:45 5.2 1.45 81 PPM 049207 06:40:23.5 +41:33:31 7.1 0.82 81 PPM 049180 06:38:31.8 +41:06:55 9.2 0.35 81 PPM 049154 06:36:13.9 +41:02:22 10.2 0.12 80 54598 06:36:39.0 +41:07:57 13.9 81 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 6.5 km
RECON observability=1.0 and success probability=19.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 03:28:07 | -13.0 | AT | Up | 82.6 | 180.9 | Up | 03:22:50 - 03:33:25 | 2453 |
| Sisters | 03:28:52 | -15.2 | AT | Up | 86.5 | 207.8 | Up | 03:23:35 - 03:34:10 | 2274 |
| Klamath Falls | 03:29:14 | -15.5 | AT | Up | 88.1 | 235.9 | Up | 03:23:56 - 03:34:31 | 2270 |
| La Pine/Gilchrist | 03:28:58 | -15.4 | AT | Up | 87.0 | 214.4 | Up | 03:23:41 - 03:34:16 | 2262 |
| Oregon Observatory | 03:28:56 | -15.4 | AT | Up | 86.8 | 212.9 | Up | 03:23:39 - 03:34:14 | 2260 |
| The Dalles | 03:28:39 | -15.2 | AT | Up | 85.2 | 203.2 | Up | 03:23:21 - 03:33:56 | 2258 |
| Bend | 03:28:54 | -15.4 | AT | Up | 86.6 | 212.7 | Up | 03:23:37 - 03:34:12 | 2251 |
| Maupin | 03:28:42 | -15.3 | AT | Up | 85.5 | 206.4 | Up | 03:23:24 - 03:33:59 | 2245 |
| Redmond | 03:28:51 | -15.5 | AT | Up | 86.4 | 212.2 | Up | 03:23:34 - 03:34:09 | 2242 |
| Goldendale | 03:28:34 | -15.4 | AT | Up | 84.9 | 205.0 | Up | 03:23:17 - 03:33:52 | 2231 |
| Fall River/Burney | 03:29:27 | -16.0 | AT | Up | 88.1 | 274.1 | Up | 03:24:10 - 03:34:45 | 2225 |
| Ellensburg | 03:28:22 | -15.3 | AT | Up | 83.8 | 201.8 | Up | 03:23:04 - 03:33:39 | 2224 |
| Yakima | 03:28:26 | -15.4 | AT | Up | 84.1 | 203.3 | Up | 03:23:09 - 03:33:44 | 2221 |
| Wenatchee | 03:28:18 | -15.3 | AT | Up | 83.3 | 201.8 | Up | 03:23:00 - 03:33:35 | 2212 |
| North Lake | 03:29:02 | -15.9 | AT | Up | 87.0 | 226.7 | Up | 03:23:44 - 03:34:19 | 2209 |
| Entiat | 03:28:14 | -15.3 | AT | Up | 83.1 | 201.5 | Up | 03:22:57 - 03:33:32 | 2208 |
| Manson/Chelan | 03:28:12 | -15.3 | AT | Up | 82.8 | 201.2 | Up | 03:22:55 - 03:33:30 | 2205 |
| Toppenish/White Swan | 03:28:29 | -15.5 | AT | Up | 84.3 | 205.5 | Up | 03:23:12 - 03:33:47 | 2205 |
| Summerland | 03:27:54 | -15.2 | AT | Up | 81.1 | 199.1 | Up | 03:22:36 - 03:33:11 | 2191 |
| Penticton | 03:27:54 | -15.3 | AT | Up | 81.2 | 199.8 | Up | 03:22:37 - 03:33:12 | 2182 |
| Brewster | 03:28:10 | -15.5 | AT | Up | 82.6 | 202.6 | Up | 03:22:52 - 03:33:27 | 2180 |
| Kelowna | 03:27:51 | -15.2 | AT | Up | 80.8 | 199.4 | Up | 03:22:33 - 03:33:08 | 2180 |
| Greenville | 03:29:35 | -16.5 | AT | Up | 87.5 | 295.1 | Up | 03:24:17 - 03:34:52 | 2178 |
| Oliver | 03:27:58 | -15.4 | AT | Up | 81.5 | 200.7 | Up | 03:22:41 - 03:33:16 | 2177 |
| Quincy | 03:29:37 | -16.6 | AT | Up | 87.4 | 299.1 | Up | 03:24:19 - 03:34:54 | 2175 |
| Paisley | 03:29:07 | -16.3 | AT | Up | 87.1 | 238.8 | Up | 03:23:50 - 03:34:25 | 2173 |
| Clarence Fulton | 03:27:47 | -15.2 | AT | Up | 80.5 | 199.3 | Up | 03:22:29 - 03:33:04 | 2173 |
| Gimple | 03:29:36 | -16.6 | AT | Up | 87.5 | 294.5 | Up | 03:24:19 - 03:34:54 | 2170 |
| Okanogan | 03:28:07 | -15.6 | AT | Up | 82.3 | 202.8 | Up | 03:22:50 - 03:33:25 | 2169 |
| Tonasket | 03:28:03 | -15.6 | AT | Up | 81.9 | 202.6 | Up | 03:22:46 - 03:33:21 | 2162 |
| Anarchist Mountain Observatory | 03:28:00 | -15.5 | AT | Up | 81.6 | 202.1 | Up | 03:22:43 - 03:33:18 | 2161 |
| Susanville | 03:29:33 | -16.7 | AT | Up | 87.4 | 287.6 | Up | 03:24:16 - 03:34:51 | 2156 |
| Lakeview | 03:29:13 | -16.5 | AT | Up | 87.2 | 249.6 | Up | 03:23:55 - 03:34:30 | 2152 |
| Portola | 03:29:38 | -17.0 | AT | Up | 87.0 | 298.0 | Up | 03:24:21 - 03:34:56 | 2133 |
| Cedarville | 03:29:20 | -16.8 | AT | Up | 87.2 | 263.5 | Up | 03:24:03 - 03:34:38 | 2129 |
| Pasco | 03:28:29 | -16.4 | AT | Up | 83.9 | 214.4 | Up | 03:23:12 - 03:33:47 | 2106 |
| CPSLO | 03:30:27 | -17.7 | AT | Up | 83.5 | 335.9 | Up | 03:25:10 - 03:35:45 | 2096 |
| PNWRO | 03:28:31 | -16.6 | AT | Up | 84.0 | 217.2 | Up | 03:23:13 - 03:33:48 | 2085 |
| Reno | 03:29:40 | -17.5 | AT | Up | 86.5 | 298.3 | Up | 03:24:23 - 03:34:58 | 2074 |
| Carson City | 03:29:44 | -17.6 | AT | Up | 86.3 | 303.0 | Up | 03:24:26 - 03:35:01 | 2068 |
| Gardnerville | 03:29:48 | -17.7 | AT | Up | 86.1 | 305.6 | Up | 03:24:30 - 03:35:05 | 2061 |
| Yerington | 03:29:46 | -18.1 | Dark | Up | 85.7 | 301.9 | Up | 03:24:29 - 03:35:04 | 2011 |
| Lee Vining | 03:29:56 | -18.4 | Dark | Up | 85.1 | 311.7 | Up | 03:24:39 - 03:35:14 | 1993 |
| Hawthorne | 03:29:51 | -18.6 | Dark | Up | 85.1 | 304.2 | Up | 03:24:33 - 03:35:08 | 1958 |
| Bishop | 03:30:02 | -19.1 | Dark | Up | 84.2 | 312.6 | Up | 03:24:44 - 03:35:19 | 1921 |
| Wildwood | 03:30:37 | -19.6 | Dark | Up | 81.7 | 329.6 | Up | 03:25:20 - 03:35:55 | 1893 |
| Tonopah | 03:29:55 | -19.8 | Dark | Up | 83.9 | 302.7 | Up | 03:24:38 - 03:35:13 | 1829 |
| Beatty | 03:30:05 | -20.5 | Dark | Up | 82.9 | 309.1 | Up | 03:24:47 - 03:35:22 | 1771 |
| Idyllwild | 03:30:40 | -21.2 | Dark | Up | 80.5 | 323.5 | Up | 03:25:22 - 03:35:57 | 1716 |
| Indian Springs | 03:30:07 | -21.4 | Dark | Up | 82.0 | 307.6 | Up | 03:24:49 - 03:35:24 | 1670 |
| Henderson | 03:30:12 | -22.1 | Dark | Up | 81.2 | 308.5 | Up | 03:24:54 - 03:35:29 | 1600 |
| Calipatria | 03:30:44 | -22.3 | Dark | Up | 79.4 | 321.7 | Up | 03:25:27 - 03:36:02 | 1597 |
| Searchlight/Boulder City | 03:30:18 | -22.3 | Dark | Up | 80.8 | 311.0 | Up | 03:25:01 - 03:35:36 | 1584 |
| Laughlin/Bullhead City | 03:30:21 | -22.6 | Dark | Up | 80.4 | 311.4 | Up | 03:25:03 - 03:35:38 | 1548 |
| Mohave Valley | 03:30:23 | -22.7 | Dark | Up | 80.2 | 312.6 | Up | 03:25:06 - 03:35:41 | 1542 |
| Blythe | 03:30:37 | -23.0 | Dark | Up | 79.3 | 317.5 | Up | 03:25:20 - 03:35:55 | 1521 |
| Lake Havasu City | 03:30:27 | -23.0 | Dark | Up | 79.8 | 313.5 | Up | 03:25:10 - 03:35:45 | 1513 |
| Yuma | 03:30:46 | -23.2 | Dark | Up | 78.6 | 320.6 | Up | 03:25:29 - 03:36:04 | 1508 |
| Parker | 03:30:32 | -23.1 | Dark | Up | 79.5 | 314.8 | Up | 03:25:14 - 03:35:49 | 1503 |
| Kingman/Dolan Springs | 03:30:20 | -23.0 | Dark | Up | 80.1 | 310.0 | Up | 03:25:02 - 03:35:37 | 1502 |
| Patrick | 03:30:18 | -23.1 | Dark | Up | 80.1 | 308.6 | Up | 03:25:01 - 03:35:36 | 1489 |
| DCO | 03:30:19 | -23.7 | Dark | Up | 79.5 | 308.3 | Up | 03:25:01 - 03:35:36 | 1420 |
| George/Scottsdale | 03:30:32 | -25.2 | Dark | Down | 77.7 | 310.9 | Up | 03:25:14 - 03:35:49 | 1276 |
| SwRI | 03:29:13 | -28.0 | Dark | Down | 75.9 | 280.7 | Up | 03:23:55 - 03:34:30 | 877 |
| Niwot | 03:29:11 | -28.1 | Dark | Down | 75.8 | 280.3 | Up | 03:23:54 - 03:34:29 | 872 |
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 54598, (2024/03/12 03:29UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 19.47 96 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.49 74 52Psi3Aur 06:38:49.2 +39:54:08 5.2 1.45 81 PPM 049207 06:38:40.8 +41:34:54 7.1 0.82 81 PPM 049180 06:36:49.5 +41:08:14 9.2 0.35 81 PPM 049154 06:34:31.7 +41:03:36 10.2 0.12 80 54598 06:34:56.7 +41:09:12 13.9 80 Positions are for J2000
Event circumstances last updated at 2019/11/15 22:30:45 UT
Marc W. Buie, Southwest Research Institute