Event between (83982) Crantor and star GA0720:33613211 with event index number of 2401237
Geocentric closest approach at 2026/09/01 06:03:01 UTC
J2000 position of star is 22:58:56.4 -16:20:27
Equinox of date position of star is 23:00:09.0 -16:13:04
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 51 degrees from the moon.
Moon is 82% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 21.8 AU from the Sun
and 20.8 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
5.7 arcsec/hr.
The 1-sigma error in the time of the event is 68 seconds.
The 1-sigma cross-track error in the shadow position is
1169 km.
The sky-plane scale is
15078.9 km/arcsec.
The TNO has an absolute magnitude Hv=8.9
Diameter=99.1 km assuming a 5% albedo -- 4.2 sec chord
Diameter=40.5 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 83982, (2026/09/01 06:03UT) Object RA Dec mag sep mel Fomalhaut 22:59:07.0 -29:28:48 1.2 13.29 60 77 Aqr 22:56:10.0 -16:07:48 5.6 1.01 52 PPM 241003 23:00:16.7 -16:24:07 8.5 0.21 51 PPM 241000 23:00:01.2 -16:18:37 9.8 0.14 51 83982 23:00:21.1 -16:11:51 15.3 51 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 14.6 km
RECON observability=0.7 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) |
| Kamloops | 06:02:47 | -25.7 | Dark | Up | 16.7 | 146.0 | Really Low | 05:56:39 - 06:08:56 | 9936 |
| Victoria | 06:03:00 | -26.4 | Dark | Up | 17.3 | 142.8 | Really Low | 05:56:52 - 06:09:09 | 9926 |
| Peachland | 06:02:48 | -26.7 | Dark | Up | 17.6 | 146.4 | Really Low | 05:56:39 - 06:08:56 | 9905 |
| Kelowna | 06:02:48 | -26.7 | Dark | Up | 17.7 | 146.7 | Really Low | 05:56:39 - 06:08:56 | 9903 |
| Summerland | 06:02:48 | -26.9 | Dark | Up | 17.8 | 146.4 | Really Low | 05:56:39 - 06:08:56 | 9900 |
| Penticton | 06:02:48 | -26.9 | Dark | Up | 17.9 | 146.5 | Really Low | 05:56:39 - 06:08:56 | 9896 |
| Oliver | 06:02:49 | -27.2 | Dark | Up | 18.2 | 146.5 | Really Low | 05:56:40 - 06:08:57 | 9887 |
| Anarchist Mountain Observatory | 06:02:49 | -27.5 | Dark | Up | 18.4 | 146.6 | Really Low | 05:56:40 - 06:08:57 | 9880 |
| Okanogan | 06:02:52 | -27.9 | Dark | Up | 18.9 | 146.3 | Really Low | 05:56:43 - 06:09:00 | 9866 |
| Brewster | 06:02:52 | -28.1 | Dark | Up | 19.0 | 146.0 | Really Low | 05:56:44 - 06:09:01 | 9862 |
| Manson/Chelan | 06:02:55 | -28.1 | Dark | Up | 19.1 | 145.7 | Really Low | 05:56:46 - 06:09:03 | 9862 |
| Wenatchee | 06:02:57 | -28.5 | Dark | Up | 19.4 | 145.4 | Really Low | 05:56:49 - 06:09:06 | 9851 |
| Ellensburg | 06:02:58 | -28.7 | Dark | Up | 19.6 | 145.1 | Really Low | 05:56:49 - 06:09:06 | 9842 |
| Yakima | 06:02:59 | -29.1 | Dark | Up | 20.0 | 145.0 | Really Low | 05:56:50 - 06:09:07 | 9830 |
| Toppenish/White Swan | 06:02:58 | -29.3 | Dark | Up | 20.2 | 145.2 | Low | 05:56:50 - 06:09:07 | 9821 |
| The Dalles | 06:03:03 | -29.6 | Dark | Up | 20.5 | 144.3 | Low | 05:56:54 - 06:09:11 | 9809 |
| Maupin | 06:03:03 | -30.0 | Dark | Up | 20.9 | 144.3 | Low | 05:56:55 - 06:09:12 | 9794 |
| PNWRO | 06:02:56 | -30.2 | Dark | Up | 21.1 | 146.5 | Low | 05:56:48 - 06:09:05 | 9785 |
| Sisters | 06:03:07 | -30.5 | Dark | Up | 21.4 | 143.6 | Low | 05:56:59 - 06:09:16 | 9773 |
| Bend | 06:03:08 | -30.8 | Dark | Up | 21.7 | 143.8 | Low | 05:57:00 - 06:09:17 | 9761 |
| Oregon Observatory | 06:03:10 | -30.9 | Dark | Up | 21.8 | 143.7 | Low | 05:57:01 - 06:09:18 | 9757 |
| Chiloquin | 06:03:13 | -31.8 | Dark | Up | 22.7 | 143.0 | Low | 05:57:04 - 06:09:21 | 9716 |
| Sleaford | 06:02:08 | -28.2 | Dark | Up | 19.5 | 159.9 | Really Low | 05:56:00 - 06:08:17 | 9708 |
| Klamath Falls | 06:03:15 | -32.1 | Dark | Up | 23.0 | 143.0 | Low | 05:57:06 - 06:09:23 | 9702 |
| Fall River/Burney | 06:03:17 | -33.2 | Dark | Up | 24.1 | 143.0 | Low | 05:57:08 - 06:09:25 | 9650 |
| Cedarville | 06:03:11 | -33.4 | Dark | Up | 24.3 | 144.3 | Low | 05:57:03 - 06:09:20 | 9648 |
| Greenville | 06:03:18 | -34.2 | Dark | Up | 25.1 | 143.2 | Low | 05:57:09 - 06:09:26 | 9605 |
| Gimple | 06:03:17 | -34.2 | Dark | Up | 25.1 | 143.3 | Low | 05:57:08 - 06:09:25 | 9604 |
| Quincy | 06:03:17 | -34.3 | Dark | Up | 25.2 | 143.1 | Low | 05:57:09 - 06:09:26 | 9597 |
| Portola | 06:03:17 | -34.7 | Dark | Up | 25.5 | 143.5 | Low | 05:57:08 - 06:09:25 | 9583 |
| Reno | 06:03:16 | -35.2 | Dark | Up | 26.1 | 144.1 | Low | 05:57:08 - 06:09:25 | 9560 |
| Carson City | 06:03:16 | -35.5 | Dark | Up | 26.4 | 144.0 | Low | 05:57:08 - 06:09:25 | 9544 |
| Gardnerville | 06:03:17 | -35.7 | Dark | Up | 26.6 | 144.0 | Low | 05:57:09 - 06:09:26 | 9532 |
| Yerington | 06:03:14 | -35.9 | Dark | Up | 26.8 | 144.5 | Low | 05:57:06 - 06:09:23 | 9524 |
| Hawthorne | 06:03:15 | -36.5 | Dark | Up | 27.4 | 144.9 | Low | 05:57:06 - 06:09:23 | 9493 |
| Lee Vining | 06:03:17 | -36.8 | Dark | Up | 27.7 | 144.3 | Low | 05:57:09 - 06:09:26 | 9477 |
| Bishop | 06:03:17 | -37.6 | Dark | Up | 28.5 | 144.8 | Low | 05:57:09 - 06:09:26 | 9434 |
| Beatty | 06:03:13 | -38.7 | Dark | Up | 29.6 | 146.2 | Low | 05:57:05 - 06:09:22 | 9379 |
| Wildwood | 06:03:26 | -40.1 | Dark | Up | 31.1 | 143.5 | Up | 05:57:18 - 06:09:35 | 9275 |
| Dunrhomin | 06:02:29 | -39.7 | Dark | Up | 30.7 | 158.8 | Up | 05:56:21 - 06:08:38 | 9259 |
| CU-SBO | 06:02:31 | -39.9 | Dark | Up | 31.0 | 158.7 | Up | 05:56:22 - 06:08:39 | 9250 |
| Laughlin/Bullhead City | 06:03:11 | -41.1 | Dark | Up | 32.0 | 147.8 | Up | 05:57:02 - 06:09:19 | 9243 |
| Patrick | 06:03:08 | -41.2 | Dark | Up | 32.1 | 148.6 | Up | 05:57:00 - 06:09:17 | 9240 |
| Idyllwild | 06:03:22 | -41.3 | Dark | Up | 32.2 | 145.2 | Up | 05:57:13 - 06:09:30 | 9217 |
| Lake Havasu City | 06:03:12 | -41.8 | Dark | Up | 32.7 | 147.8 | Up | 05:57:03 - 06:09:20 | 9202 |
| Calipatria | 06:03:18 | -42.4 | Dark | Up | 33.3 | 146.2 | Up | 05:57:09 - 06:09:26 | 9156 |
| Yuma | 06:03:18 | -43.2 | Dark | Up | 34.1 | 146.9 | Up | 05:57:09 - 06:09:26 | 9111 |
| George/Scottsdale | 06:03:05 | -43.5 | Dark | Up | 34.4 | 150.1 | Up | 05:56:57 - 06:09:14 | 9101 |
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 83982, (2026/09/01 06:03UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 13.29 60 77 Aqr 22:54:45.1 -16:16:21 5.6 1.01 52 PPM 241003 22:58:51.9 -16:32:43 8.5 0.21 51 PPM 241000 22:58:36.5 -16:27:13 9.8 0.14 51 83982 22:58:56.4 -16:20:27 15.3 51 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:53:59 UT
Marc W. Buie, Southwest Research Institute