Event between (523766) 14WF510 and star GA0880:00652030 with event index number of 1841360
Geocentric closest approach at 2028/02/16 04:55:55 UTC
J2000 position of star is 05:25:34.2 -01:04:29
Equinox of date position of star is 05:26:37.9 -01:03:28
Stellar brightness G=14.7,
use SENSEUP=128
Star is 133 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=25.3
[RECON map]
TNO is 32.8 AU from the Sun
and 32.4 AU from the Earth.
The TNO is moving 12.4
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 218 seconds.
The 1-sigma cross-track error in the shadow position is
5729 km.
The sky-plane scale is
23479.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=239.9 km assuming a 5% albedo -- 4.9 sec chord
Diameter=97.9 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 3:2E
Star training set for 523766, (2028/02/16 04:56UT) Object RA Dec mag sep mel Rigel 05:15:53.5 -08:10:17 0.1 7.64 132 34Del Ori 05:33:26.7 -00:16:50 2.2 1.79 132 PPM 175822 05:27:02.0 -01:28:06 6.5 0.42 133 PPM 175833 05:28:33.1 -01:03:39 8.0 0.39 133 PPM 175825 05:27:28.3 -00:44:13 9.1 0.34 133 523766 05:27:00.0 -01:03:07 14.7 133 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
4.1 sigma about the mid-time.
The median site spacing is 6.1 km
RECON observability=1.0 and success probability=5.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 04:58:06 | -49.2 | Dark | Down | 38.6 | 225.2 | Up | 04:43:06 - 05:13:06 | -1734 |
| SwRI | 04:58:05 | -49.2 | Dark | Down | 38.7 | 225.2 | Up | 04:43:05 - 05:13:05 | -1743 |
| Clarence Fulton | 05:00:03 | -35.8 | Dark | Down | 35.9 | 205.0 | Up | 04:45:03 - 05:15:03 | -2272 |
| Kelowna | 05:00:01 | -35.9 | Dark | Down | 36.3 | 204.9 | Up | 04:45:01 - 05:15:01 | -2288 |
| Penticton | 04:59:58 | -36.0 | Dark | Down | 36.6 | 204.9 | Up | 04:44:58 - 05:14:58 | -2301 |
| Anarchist Mountain Observatory | 04:59:56 | -36.3 | Dark | Down | 37.0 | 205.3 | Up | 04:44:56 - 05:14:56 | -2302 |
| Summerland | 04:59:59 | -35.9 | Dark | Down | 36.6 | 204.8 | Up | 04:44:59 - 05:14:59 | -2305 |
| Peachland | 05:00:01 | -35.8 | Dark | Down | 36.5 | 204.6 | Up | 04:45:01 - 05:15:01 | -2306 |
| Oliver | 04:59:57 | -36.2 | Dark | Down | 36.9 | 205.0 | Up | 04:44:57 - 05:14:57 | -2309 |
| Tonasket | 04:59:53 | -36.4 | Dark | Down | 37.3 | 205.3 | Up | 04:44:53 - 05:14:53 | -2314 |
| George/Scottsdale | 04:57:47 | -47.2 | Dark | Down | 47.0 | 221.6 | Up | 04:42:47 - 05:12:47 | -2322 |
| Okanogan | 04:59:52 | -36.5 | Dark | Down | 37.7 | 205.2 | Up | 04:44:52 - 05:14:52 | -2330 |
| Brewster | 04:59:52 | -36.5 | Dark | Down | 38.0 | 205.1 | Up | 04:44:52 - 05:14:52 | -2348 |
| PNWRO | 04:59:36 | -37.9 | Dark | Down | 39.6 | 206.8 | Up | 04:44:36 - 05:14:36 | -2353 |
| DCO | 04:58:02 | -45.8 | Dark | Down | 46.6 | 219.1 | Up | 04:43:02 - 05:13:02 | -2353 |
| Pasco | 04:59:38 | -37.6 | Dark | Down | 39.5 | 206.5 | Up | 04:44:38 - 05:14:38 | -2360 |
| Manson/Chelan | 04:59:52 | -36.3 | Dark | Down | 38.3 | 204.7 | Up | 04:44:52 - 05:14:52 | -2373 |
| Entiat | 04:59:52 | -36.4 | Dark | Down | 38.5 | 204.7 | Up | 04:44:52 - 05:14:52 | -2383 |
| Patrick | 04:58:09 | -45.1 | Dark | Down | 46.7 | 218.0 | Up | 04:43:09 - 05:13:09 | -2387 |
| Wenatchee | 04:59:50 | -36.4 | Dark | Down | 38.8 | 204.6 | Up | 04:44:50 - 05:14:50 | -2395 |
| Kingman/Dolan Springs | 04:58:07 | -45.1 | Dark | Down | 47.0 | 217.9 | Up | 04:43:07 - 05:13:07 | -2407 |
| Ellensburg | 04:59:48 | -36.4 | Dark | Down | 39.2 | 204.5 | Up | 04:44:48 - 05:14:48 | -2418 |
| Toppenish/White Swan | 04:59:44 | -36.8 | Dark | Down | 39.7 | 204.9 | Up | 04:44:44 - 05:14:44 | -2427 |
| Yakima | 04:59:46 | -36.6 | Dark | Down | 39.6 | 204.6 | Up | 04:44:46 - 05:14:46 | -2430 |
| Henderson | 04:58:16 | -44.1 | Dark | Down | 46.7 | 216.2 | Up | 04:43:16 - 05:13:16 | -2436 |
| Laughlin/Bullhead City | 04:58:09 | -44.7 | Dark | Down | 47.2 | 217.3 | Up | 04:43:09 - 05:13:09 | -2442 |
| Lake Havasu City | 04:58:05 | -45.1 | Dark | Down | 47.6 | 218.0 | Up | 04:43:05 - 05:13:05 | -2450 |
| Mohave Valley | 04:58:08 | -44.8 | Dark | Down | 47.4 | 217.5 | Up | 04:43:08 - 05:13:08 | -2452 |
| Searchlight/Boulder City | 04:58:12 | -44.3 | Dark | Down | 47.2 | 216.7 | Up | 04:43:12 - 05:13:12 | -2452 |
| Indian Springs | 04:58:23 | -43.4 | Dark | Down | 46.6 | 215.1 | Up | 04:43:23 - 05:13:23 | -2459 |
| Parker | 04:58:00 | -45.2 | Dark | Down | 47.9 | 218.3 | Up | 04:43:00 - 05:13:00 | -2462 |
| Goldendale | 04:59:42 | -36.7 | Dark | Down | 40.4 | 204.5 | Up | 04:44:42 - 05:14:42 | -2467 |
| The Dalles | 04:59:45 | -36.6 | Dark | Down | 40.7 | 204.2 | Up | 04:44:45 - 05:14:45 | -2495 |
| Maupin | 04:59:40 | -36.8 | Dark | Down | 41.0 | 204.4 | Up | 04:44:40 - 05:14:40 | -2501 |
| Blythe | 04:57:58 | -45.1 | Dark | Down | 48.5 | 218.3 | Up | 04:42:58 - 05:12:58 | -2502 |
| Tonopah | 04:58:39 | -41.8 | Dark | Down | 46.0 | 212.3 | Up | 04:43:39 - 05:13:39 | -2502 |
| Beatty | 04:58:30 | -42.5 | Dark | Down | 46.8 | 213.5 | Up | 04:43:30 - 05:13:30 | -2516 |
| Victoria | 05:00:08 | -34.1 | Dark | Down | 38.5 | 200.6 | Up | 04:45:08 - 05:15:08 | -2534 |
| Redmond | 04:59:35 | -37.0 | Dark | Down | 41.9 | 204.6 | Up | 04:44:35 - 05:14:35 | -2534 |
| Yuma | 04:57:53 | -45.3 | Dark | Down | 49.2 | 218.8 | Up | 04:42:53 - 05:12:53 | -2541 |
| Paisley | 04:59:22 | -38.0 | Dark | Down | 43.1 | 206.0 | Up | 04:44:22 - 05:14:22 | -2548 |
| Bend | 04:59:33 | -37.0 | Dark | Down | 42.1 | 204.5 | Up | 04:44:33 - 05:14:33 | -2549 |
| North Lake | 04:59:28 | -37.6 | Dark | Down | 42.7 | 205.3 | Up | 04:44:28 - 05:14:28 | -2551 |
| Lakeview | 04:59:21 | -38.3 | Dark | Down | 43.5 | 206.4 | Up | 04:44:21 - 05:14:21 | -2553 |
| Sisters | 04:59:36 | -36.8 | Dark | Down | 42.0 | 204.1 | Up | 04:44:36 - 05:14:36 | -2557 |
| Oregon Observatory | 04:59:34 | -37.0 | Dark | Down | 42.3 | 204.4 | Up | 04:44:34 - 05:14:34 | -2562 |
| Cedarville | 04:59:13 | -38.6 | Dark | Down | 44.1 | 206.9 | Up | 04:44:13 - 05:14:13 | -2564 |
| La Pine/Gilchrist | 04:59:35 | -37.0 | Dark | Down | 42.5 | 204.4 | Up | 04:44:35 - 05:14:35 | -2572 |
| Hawthorne | 04:58:49 | -40.6 | Dark | Down | 46.2 | 210.2 | Up | 04:43:49 - 05:13:49 | -2575 |
| Calipatria | 04:58:00 | -44.5 | Dark | Down | 49.4 | 217.4 | Up | 04:43:00 - 05:13:00 | -2583 |
| Yerington | 04:58:53 | -40.1 | Dark | Down | 46.0 | 209.3 | Up | 04:43:53 - 05:13:53 | -2591 |
| Bishop | 04:58:40 | -41.2 | Dark | Down | 47.1 | 211.1 | Up | 04:43:40 - 05:13:40 | -2603 |
| Reno | 04:59:03 | -39.5 | Dark | Down | 45.7 | 208.2 | Up | 04:44:03 - 05:14:03 | -2612 |
| Carson City | 04:58:57 | -39.6 | Dark | Down | 46.0 | 208.4 | Up | 04:43:57 - 05:13:57 | -2623 |
| Lee Vining | 04:58:47 | -40.4 | Dark | Down | 46.9 | 209.9 | Up | 04:43:47 - 05:13:47 | -2626 |
| Gardnerville | 04:58:57 | -39.7 | Dark | Down | 46.2 | 208.6 | Up | 04:43:57 - 05:13:57 | -2629 |
| Susanville | 04:59:09 | -38.6 | Dark | Down | 45.2 | 206.7 | Up | 04:44:09 - 05:14:09 | -2633 |
| Idyllwild | 04:58:09 | -43.4 | Dark | Down | 49.4 | 215.4 | Up | 04:43:09 - 05:13:09 | -2635 |
| Klamath Falls | 04:59:26 | -37.3 | Dark | Down | 43.9 | 204.5 | Up | 04:44:26 - 05:14:26 | -2638 |
| Portola | 04:59:04 | -38.9 | Dark | Down | 45.7 | 207.2 | Up | 04:44:04 - 05:14:04 | -2643 |
| Gimple | 04:59:10 | -38.6 | Dark | Down | 45.5 | 206.6 | Up | 04:44:10 - 05:14:10 | -2656 |
| Fall River/Burney | 04:59:16 | -37.9 | Dark | Down | 44.9 | 205.5 | Up | 04:44:16 - 05:14:16 | -2656 |
| Greenville | 04:59:07 | -38.5 | Dark | Down | 45.6 | 206.4 | Up | 04:44:07 - 05:14:07 | -2661 |
| Quincy | 04:59:07 | -38.6 | Dark | Down | 45.8 | 206.5 | Up | 04:44:07 - 05:14:07 | -2668 |
| Wildwood | 04:58:19 | -41.8 | Dark | Down | 50.0 | 212.7 | Up | 04:43:19 - 05:13:19 | -2746 |
| CPSLO | 04:58:36 | -40.0 | Dark | Down | 49.8 | 209.1 | Up | 04:43:36 - 05:13:36 | -2832 |
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 523766, (2028/02/16 04:56UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 7.64 132 34Del Ori 05:32:00.4 -00:17:57 2.2 1.79 132 PPM 175822 05:25:36.5 -01:29:29 6.5 0.42 133 PPM 175833 05:27:07.3 -01:04:58 8.0 0.39 133 PPM 175825 05:26:02.2 -00:45:34 9.1 0.34 133 523766 05:25:34.2 -01:04:29 14.7 133 Positions are for J2000
Event circumstances last updated at 2020/11/06 22:33:24 UT
Marc W. Buie, Southwest Research Institute