Event between (532184) 13OR11 and star GA1140:00584802 with event index number of 1604658
Geocentric closest approach at 2025/10/22 12:17:38 UTC
J2000 position of star is 04:00:22.9 +24:07:10
Equinox of date position of star is 04:01:36.8 +24:10:34
Stellar brightness G=15.9,
use SENSEUP=128
Star is 157 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=25.5
[RECON map]
TNO is 35.2 AU from the Sun
and 34.4 AU from the Earth.
The TNO is moving 19.9
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 352 seconds.
The 1-sigma cross-track error in the shadow position is
4726 km.
The sky-plane scale is
24937.3 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=208.9 km assuming a 5% albedo -- 3.0 sec chord
Diameter=85.3 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 532184, (2025/10/22 12:18UT) Object RA Dec mag sep mel Aldebaran 04:37:24.3 +16:33:33 0.8 11.28 149 44Zet Per 03:55:45.7 +31:57:29 2.8 7.89 156 36 Tau 04:05:54.6 +24:10:30 6.1 0.91 156 PPM 093123 03:59:53.6 +24:09:12 7.6 0.47 158 532184 04:01:55.7 +24:11:26 15.9 157 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
2.6 sigma about the mid-time.
The median site spacing is 23.8 km
RECON observability=1.0 and success probability=10.0%
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 | 12:15:33 | -22.3 | Dark | Down | 52.0 | 239.9 | Up | 12:00:33 - 12:30:33 | -66 |
Kelowna | 12:15:32 | -22.5 | Dark | Down | 52.3 | 240.1 | Up | 12:00:32 - 12:30:32 | -106 |
Peachland | 12:15:33 | -22.7 | Dark | Down | 52.5 | 239.9 | Up | 12:00:33 - 12:30:33 | -121 |
Summerland | 12:15:32 | -22.7 | Dark | Down | 52.6 | 240.2 | Up | 12:00:32 - 12:30:32 | -134 |
Penticton | 12:15:32 | -22.6 | Dark | Down | 52.5 | 240.4 | Up | 12:00:32 - 12:30:32 | -138 |
Oliver | 12:15:31 | -22.7 | Dark | Down | 52.7 | 240.8 | Up | 12:00:31 - 12:30:31 | -172 |
Anarchist Mountain Observatory | 12:15:30 | -22.6 | Dark | Down | 52.7 | 241.2 | Up | 12:00:30 - 12:30:30 | -186 |
Tonasket | 12:15:30 | -22.7 | Dark | Down | 52.9 | 241.5 | Up | 12:00:30 - 12:30:30 | -217 |
Okanogan | 12:15:30 | -22.8 | Dark | Down | 53.1 | 241.7 | Up | 12:00:30 - 12:30:30 | -252 |
Brewster | 12:15:29 | -23.0 | Dark | Down | 53.4 | 241.8 | Up | 12:00:29 - 12:30:29 | -281 |
Victoria | 12:15:42 | -25.3 | Dark | Down | 55.2 | 236.9 | Up | 12:00:42 - 12:30:42 | -290 |
Manson/Chelan | 12:15:30 | -23.3 | Dark | Down | 53.7 | 241.6 | Up | 12:00:30 - 12:30:30 | -307 |
Entiat | 12:15:30 | -23.4 | Dark | Down | 53.8 | 241.8 | Up | 12:00:30 - 12:30:30 | -330 |
Wenatchee | 12:15:30 | -23.5 | Dark | Down | 54.0 | 242.0 | Up | 12:00:30 - 12:30:30 | -356 |
Ellensburg | 12:15:30 | -23.7 | Dark | Down | 54.3 | 242.2 | Up | 12:00:30 - 12:30:30 | -400 |
Yakima | 12:15:29 | -23.8 | Dark | Down | 54.5 | 242.7 | Up | 12:00:29 - 12:30:29 | -441 |
Pasco | 12:15:24 | -22.8 | Dark | Down | 53.8 | 244.7 | Up | 12:00:24 - 12:30:24 | -452 |
Toppenish/White Swan | 12:15:28 | -23.7 | Dark | Down | 54.5 | 243.1 | Up | 12:00:28 - 12:30:28 | -460 |
PNWRO | 12:15:22 | -22.7 | Dark | Down | 53.8 | 245.3 | Up | 12:00:22 - 12:30:22 | -473 |
Goldendale | 12:15:28 | -24.1 | Dark | Down | 55.0 | 243.4 | Up | 12:00:28 - 12:30:28 | -521 |
The Dalles | 12:15:29 | -24.3 | Dark | Down | 55.4 | 243.2 | Up | 12:00:29 - 12:30:29 | -549 |
Maupin | 12:15:28 | -24.3 | Dark | Down | 55.5 | 243.9 | Up | 12:00:28 - 12:30:28 | -589 |
Redmond | 12:15:26 | -24.5 | Dark | Down | 55.9 | 245.0 | Up | 12:00:26 - 12:30:26 | -681 |
Sisters | 12:15:28 | -24.8 | Dark | Down | 56.2 | 244.5 | Up | 12:00:28 - 12:30:28 | -685 |
Bend | 12:15:26 | -24.7 | Dark | Down | 56.1 | 245.1 | Up | 12:00:26 - 12:30:26 | -705 |
Oregon Observatory | 12:15:26 | -24.8 | Dark | Down | 56.3 | 245.2 | Up | 12:00:26 - 12:30:26 | -725 |
La Pine/Gilchrist | 12:15:27 | -24.9 | Dark | Down | 56.4 | 245.4 | Up | 12:00:27 - 12:30:27 | -746 |
North Lake | 12:15:24 | -24.5 | Dark | Down | 56.2 | 246.6 | Up | 12:00:24 - 12:30:24 | -781 |
Niwot | 12:14:27 | -13.0 | AT | Down | 45.7 | 264.3 | Up | 11:59:27 - 12:29:27 | -787 |
SwRI | 12:14:27 | -13.1 | AT | Down | 45.8 | 264.4 | Up | 11:59:27 - 12:29:27 | -800 |
Paisley | 12:15:21 | -24.3 | Dark | Down | 56.2 | 247.8 | Up | 12:00:21 - 12:30:21 | -832 |
Lakeview | 12:15:20 | -24.2 | Dark | Down | 56.2 | 248.7 | Up | 12:00:20 - 12:30:20 | -880 |
Klamath Falls | 12:15:25 | -25.3 | Dark | Down | 57.2 | 247.1 | Up | 12:00:25 - 12:30:25 | -899 |
Cedarville | 12:15:18 | -24.2 | Dark | Down | 56.3 | 249.8 | Up | 12:00:18 - 12:30:18 | -945 |
Fall River/Burney | 12:15:21 | -25.2 | Dark | Down | 57.4 | 249.2 | Up | 12:00:21 - 12:30:21 | -1014 |
Susanville | 12:15:17 | -24.7 | Dark | Down | 57.1 | 250.9 | Up | 12:00:17 - 12:30:17 | -1067 |
Gimple | 12:15:18 | -24.9 | Dark | Down | 57.3 | 251.1 | Up | 12:00:18 - 12:30:18 | -1100 |
Greenville | 12:15:18 | -24.9 | Dark | Down | 57.4 | 251.0 | Up | 12:00:18 - 12:30:18 | -1101 |
Quincy | 12:15:18 | -24.9 | Dark | Down | 57.4 | 251.3 | Up | 12:00:18 - 12:30:18 | -1122 |
Portola | 12:15:16 | -24.6 | Dark | Down | 57.1 | 252.0 | Up | 12:00:16 - 12:30:16 | -1127 |
Reno | 12:15:13 | -24.1 | Dark | Down | 56.7 | 253.0 | Up | 12:00:13 - 12:30:13 | -1144 |
Carson City | 12:15:12 | -24.2 | Dark | Down | 56.8 | 253.5 | Up | 12:00:12 - 12:30:12 | -1180 |
Yerington | 12:15:10 | -23.7 | Dark | Down | 56.4 | 254.4 | Up | 12:00:10 - 12:30:10 | -1190 |
Gardnerville | 12:15:12 | -24.1 | Dark | Down | 56.9 | 253.9 | Up | 12:00:12 - 12:30:12 | -1205 |
Hawthorne | 12:15:07 | -23.3 | Dark | Down | 56.1 | 255.6 | Up | 12:00:07 - 12:30:07 | -1229 |
Tonopah | 12:15:01 | -22.3 | Dark | Down | 55.2 | 257.5 | Up | 12:00:01 - 12:30:01 | -1252 |
Lee Vining | 12:15:07 | -23.7 | Dark | Down | 56.7 | 255.9 | Up | 12:00:07 - 12:30:07 | -1296 |
Bishop | 12:15:04 | -23.2 | Dark | Down | 56.2 | 257.5 | Up | 12:00:04 - 12:30:04 | -1346 |
Beatty | 12:14:57 | -22.0 | Dark | Down | 55.1 | 259.5 | Up | 11:59:57 - 12:29:57 | -1364 |
Indian Springs | 12:14:53 | -21.1 | Dark | Down | 54.3 | 260.8 | Up | 11:59:53 - 12:29:53 | -1377 |
Henderson | 12:14:49 | -20.6 | Dark | Down | 53.8 | 262.0 | Up | 11:59:49 - 12:29:49 | -1419 |
Patrick | 12:14:45 | -19.7 | Dark | Down | 53.0 | 263.6 | Up | 11:59:45 - 12:29:45 | -1461 |
Searchlight/Boulder City | 12:14:48 | -20.6 | Dark | Down | 53.9 | 262.8 | Up | 11:59:48 - 12:29:48 | -1478 |
DCO | 12:14:41 | -19.1 | Dark | Down | 52.5 | 264.5 | Up | 11:59:41 - 12:29:41 | -1478 |
Kingman/Dolan Springs | 12:14:45 | -19.9 | Dark | Down | 53.2 | 263.8 | Up | 11:59:45 - 12:29:45 | -1489 |
Laughlin/Bullhead City | 12:14:47 | -20.3 | Dark | Down | 53.6 | 263.5 | Up | 11:59:47 - 12:29:47 | -1502 |
Mohave Valley | 12:14:46 | -20.3 | Dark | Down | 53.7 | 263.8 | Up | 11:59:46 - 12:29:46 | -1530 |
Lake Havasu City | 12:14:45 | -20.1 | Dark | Down | 53.5 | 264.5 | Up | 11:59:45 - 12:29:45 | -1567 |
George/Scottsdale | 12:14:35 | -18.1 | Dark | Down | 51.5 | 267.1 | Up | 11:59:35 - 12:29:35 | -1595 |
CPSLO | 12:15:09 | -25.2 | Dark | Down | 58.4 | 258.7 | Up | 12:00:09 - 12:30:09 | -1603 |
Parker | 12:14:44 | -20.1 | Dark | Down | 53.5 | 265.0 | Up | 11:59:44 - 12:29:44 | -1603 |
Blythe | 12:14:44 | -20.3 | Dark | Down | 53.8 | 265.6 | Up | 11:59:44 - 12:29:44 | -1665 |
Wildwood | 12:15:00 | -23.6 | Dark | Down | 57.0 | 262.2 | Up | 12:00:00 - 12:30:00 | -1694 |
Idyllwild | 12:14:52 | -22.0 | Dark | Down | 55.5 | 264.0 | Up | 11:59:52 - 12:29:52 | -1696 |
Calipatria | 12:14:46 | -21.1 | Dark | Down | 54.6 | 265.6 | Up | 11:59:46 - 12:29:46 | -1736 |
Yuma | 12:14:43 | -20.3 | Dark | Down | 53.9 | 266.8 | Up | 11:59:43 - 12:29:43 | -1763 |
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 532184, (2025/10/22 12:18UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 11.28 149 44Zet Per 03:54:07.9 +31:53:01 2.8 7.89 156 36 Tau 04:04:21.7 +24:06:21 6.1 0.91 156 PPM 093123 03:58:20.9 +24:04:51 7.6 0.47 158 532184 04:00:22.9 +24:07:10 15.9 157 Positions are for J2000
Event circumstances last updated at 2020/07/19 22:31:58 UT
Marc W. Buie, Southwest Research Institute