Event between (525462) 05EO304 and star GA0800:04466180 with event index number of 1593892
Geocentric closest approach at 2021/03/15 13:03:39 UTC
J2000 position of star is 14:03:15.3 -09:13:38
Equinox of date position of star is 14:04:22.4 -09:19:40
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=22.6
[RECON map]
TNO is 42.9 AU from the Sun
and 42.1 AU from the Earth.
The TNO is moving 19.0
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 142 seconds.
The 1-sigma cross-track error in the shadow position is
2074 km.
The sky-plane scale is
30569.0 km/arcsec.
The TNO has an absolute magnitude Hv=6.2
Diameter=345.2 km assuming a 5% albedo -- 18.2 sec chord
Diameter=140.9 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 525462, (2021/03/15 13:04UT) Object RA Dec mag sep mel Spica 13:26:18.8 -11:16:17 1.0 9.56 172 PPM 197195 14:07:25.3 -08:59:31 6.5 0.82 167 PPM 197163 14:05:29.0 -09:21:31 7.0 0.27 167 PPM 197127 14:03:35.1 -09:18:49 9.8 0.20 167 525462 14:04:22.9 -09:19:42 15.9 167 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 0.0 km
RECON observability=0.0 and success probability=0.0%
| 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 | 13:03:23 | -11.4 | NT | Down | 21.5 | 222.0 | Low | 12:51:02 - 13:15:43 | 3382 |
| Kelowna | 13:03:21 | -11.6 | NT | Down | 21.9 | 221.9 | Low | 12:51:01 - 13:15:42 | 3366 |
| Peachland | 13:03:22 | -11.8 | NT | Down | 22.1 | 221.7 | Low | 12:51:01 - 13:15:42 | 3358 |
| Summerland | 13:03:21 | -11.8 | NT | Down | 22.2 | 221.8 | Low | 12:51:00 - 13:15:41 | 3354 |
| Penticton | 13:03:20 | -11.7 | NT | Down | 22.2 | 221.9 | Low | 12:51:00 - 13:15:41 | 3353 |
| Oliver | 13:03:20 | -11.8 | NT | Down | 22.4 | 222.0 | Low | 12:50:59 - 13:15:40 | 3340 |
| Anarchist Mountain Observatory | 13:03:18 | -11.7 | NT | Down | 22.5 | 222.2 | Low | 12:50:58 - 13:15:39 | 3337 |
| Tonasket | 13:03:17 | -11.8 | NT | Down | 22.7 | 222.3 | Low | 12:50:56 - 13:15:37 | 3324 |
| Okanogan | 13:03:16 | -12.0 | NT | Down | 23.0 | 222.2 | Low | 12:50:56 - 13:15:37 | 3309 |
| Brewster | 13:03:16 | -12.2 | AT | Down | 23.3 | 222.1 | Low | 12:50:56 - 13:15:37 | 3296 |
| Manson/Chelan | 13:03:16 | -12.5 | AT | Down | 23.7 | 221.8 | Low | 12:50:56 - 13:15:37 | 3282 |
| Wenatchee | 13:03:15 | -12.7 | AT | Down | 24.1 | 221.8 | Low | 12:50:55 - 13:15:36 | 3261 |
| Victoria | 13:03:29 | -14.4 | AT | Down | 24.5 | 218.5 | Low | 12:51:08 - 13:15:49 | 3254 |
| Ellensburg | 13:03:14 | -12.9 | AT | Down | 24.5 | 221.7 | Low | 12:50:53 - 13:15:34 | 3241 |
| Pasco | 13:03:06 | -12.1 | AT | Down | 24.4 | 223.2 | Low | 12:50:46 - 13:15:27 | 3232 |
| PNWRO | 13:03:05 | -12.0 | NT | Down | 24.5 | 223.5 | Low | 12:50:45 - 13:15:26 | 3226 |
| Yakima | 13:03:13 | -13.0 | AT | Down | 24.8 | 221.8 | Low | 12:50:52 - 13:15:33 | 3223 |
| Toppenish/White Swan | 13:03:11 | -12.9 | AT | Down | 24.9 | 222.0 | Low | 12:50:51 - 13:15:32 | 3217 |
| Goldendale | 13:03:10 | -13.3 | AT | Down | 25.5 | 221.8 | Low | 12:50:50 - 13:15:31 | 3187 |
| The Dalles | 13:03:11 | -13.6 | AT | Down | 25.8 | 221.5 | Low | 12:50:50 - 13:15:31 | 3171 |
| Maupin | 13:03:09 | -13.6 | AT | Down | 26.1 | 221.7 | Low | 12:50:49 - 13:15:30 | 3155 |
| Dunrhomin | 13:02:03 | -2.7 | CT | Down | 20.5 | 237.2 | Low | 12:49:42 - 13:14:23 | 3141 |
| Redmond | 13:03:05 | -13.9 | AT | Down | 26.8 | 221.9 | Low | 12:50:44 - 13:15:25 | 3113 |
| Sisters | 13:03:08 | -14.1 | AT | Down | 27.0 | 221.5 | Low | 12:50:47 - 13:15:28 | 3107 |
| Bend | 13:03:06 | -14.0 | AT | Down | 27.1 | 221.8 | Low | 12:50:45 - 13:15:26 | 3101 |
| Oregon Observatory | 13:03:05 | -14.1 | AT | Down | 27.3 | 221.8 | Low | 12:50:45 - 13:15:26 | 3091 |
| La Pine/Gilchrist | 13:03:05 | -14.2 | AT | Down | 27.4 | 221.8 | Low | 12:50:45 - 13:15:26 | 3080 |
| North Lake | 13:03:02 | -13.9 | AT | Down | 27.5 | 222.5 | Low | 12:50:41 - 13:15:22 | 3070 |
| Paisley | 13:02:58 | -13.7 | AT | Down | 27.7 | 223.0 | Low | 12:50:38 - 13:15:19 | 3050 |
| Lakeview | 13:02:56 | -13.7 | AT | Down | 28.0 | 223.4 | Low | 12:50:35 - 13:15:16 | 3029 |
| Klamath Falls | 13:03:01 | -14.7 | AT | Down | 28.7 | 222.0 | Low | 12:50:40 - 13:15:21 | 3005 |
| Cedarville | 13:02:53 | -13.7 | AT | Down | 28.4 | 223.8 | Low | 12:50:33 - 13:15:14 | 2999 |
| Fall River/Burney | 13:02:56 | -14.7 | AT | Down | 29.4 | 222.8 | Low | 12:50:35 - 13:15:16 | 2953 |
| Susanville | 13:02:50 | -14.3 | AT | Down | 29.4 | 223.7 | Low | 12:50:29 - 13:15:10 | 2934 |
| Gimple | 13:02:49 | -14.5 | AT | Down | 29.8 | 223.6 | Low | 12:50:28 - 13:15:09 | 2916 |
| Greenville | 13:02:50 | -14.5 | AT | Down | 29.8 | 223.6 | Low | 12:50:30 - 13:15:11 | 2914 |
| Portola | 13:02:47 | -14.2 | AT | Down | 29.8 | 224.2 | Low | 12:50:27 - 13:15:08 | 2906 |
| Quincy | 13:02:49 | -14.6 | AT | Down | 29.9 | 223.7 | Low | 12:50:28 - 13:15:09 | 2903 |
| Reno | 13:02:44 | -13.8 | AT | Down | 29.6 | 224.9 | Low | 12:50:24 - 13:15:05 | 2903 |
| Yerington | 13:02:41 | -13.4 | AT | Down | 29.7 | 225.7 | Low | 12:50:20 - 13:15:01 | 2885 |
| Carson City | 13:02:43 | -13.8 | AT | Down | 29.9 | 225.0 | Low | 12:50:23 - 13:15:04 | 2884 |
| Gardnerville | 13:02:42 | -13.8 | AT | Down | 30.0 | 225.2 | Up | 12:50:22 - 13:15:03 | 2872 |
| Hawthorne | 13:02:37 | -13.0 | AT | Down | 29.7 | 226.4 | Low | 12:50:16 - 13:14:57 | 2869 |
| Tonopah | 13:02:31 | -12.0 | AT | Down | 29.2 | 227.8 | Low | 12:50:10 - 13:14:51 | 2868 |
| Lee Vining | 13:02:37 | -13.5 | AT | Down | 30.4 | 226.1 | Up | 12:50:16 - 13:14:57 | 2830 |
| Beatty | 13:02:25 | -11.8 | NT | Down | 29.7 | 228.7 | Low | 12:50:04 - 13:14:45 | 2810 |
| Indian Springs | 13:02:19 | -11.0 | NT | Down | 29.3 | 229.8 | Low | 12:49:58 - 13:14:39 | 2809 |
| Bishop | 13:02:32 | -13.0 | AT | Down | 30.4 | 227.1 | Up | 12:50:12 - 13:14:53 | 2809 |
| Henderson | 13:02:14 | -10.5 | NT | Down | 29.2 | 230.6 | Low | 12:49:54 - 13:14:35 | 2790 |
| Patrick | 13:02:09 | -9.7 | NT | Down | 28.9 | 231.9 | Low | 12:49:49 - 13:14:30 | 2771 |
| Kingman/Dolan Springs | 13:02:09 | -9.9 | NT | Down | 29.2 | 231.8 | Low | 12:49:48 - 13:14:29 | 2755 |
| Laughlin/Bullhead City | 13:02:11 | -10.3 | NT | Down | 29.5 | 231.4 | Low | 12:49:51 - 13:14:32 | 2745 |
| Mohave Valley | 13:02:10 | -10.3 | NT | Down | 29.7 | 231.5 | Low | 12:49:49 - 13:14:30 | 2729 |
| Lake Havasu City | 13:02:07 | -10.1 | NT | Down | 29.8 | 231.9 | Low | 12:49:47 - 13:14:28 | 2709 |
| George/Scottsdale | 13:01:56 | -8.2 | NT | Down | 28.7 | 234.2 | Low | 12:49:36 - 13:14:17 | 2700 |
| Parker | 13:02:06 | -10.2 | NT | Down | 30.0 | 232.0 | Low | 12:49:45 - 13:14:26 | 2688 |
| Blythe | 13:02:05 | -10.4 | NT | Down | 30.5 | 232.0 | Up | 12:49:45 - 13:14:26 | 2651 |
| CPSLO | 13:02:31 | -15.1 | AT | Down | 33.1 | 225.9 | Up | 12:50:11 - 13:14:52 | 2646 |
| Idyllwild | 13:02:13 | -12.2 | AT | Down | 31.8 | 230.2 | Up | 12:49:53 - 13:14:34 | 2624 |
| Wildwood | 13:02:21 | -13.7 | AT | Down | 32.7 | 228.3 | Up | 12:50:00 - 13:14:41 | 2611 |
| Calipatria | 13:02:06 | -11.3 | NT | Down | 31.4 | 231.5 | Up | 12:49:45 - 13:14:26 | 2605 |
| Yuma | 13:02:02 | -10.6 | NT | Down | 31.1 | 232.4 | Up | 12:49:42 - 13:14:23 | 2592 |
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 525462, (2021/03/15 13:04UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 9.56 172 PPM 197195 14:06:17.8 -08:53:29 6.5 0.82 167 PPM 197163 14:04:21.4 -09:15:28 7.0 0.27 167 PPM 197127 14:02:27.5 -09:12:44 9.8 0.20 167 525462 14:03:15.3 -09:13:38 15.9 167 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:09:42 UT
Marc W. Buie, Southwest Research Institute