Event between 03TL58 and star GA1080:02441603 with event index number of 1446241
Geocentric closest approach at 2026/01/28 08:47:23 UTC
J2000 position of star is 06:50:42.8 +19:15:34
Equinox of date position of star is 06:51:51.4 +19:14:07
Stellar brightness G=15.1,
use SENSEUP=128
Star is 36 degrees from the moon.
Moon is 74% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 41.7 AU from the Sun
and 40.8 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 1051 seconds.
The 1-sigma cross-track error in the shadow position is
5225 km.
The sky-plane scale is
29581.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=217.8 km assuming a 5% albedo -- 9.7 sec chord
Diameter=88.9 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 03TL58, (2026/01/28 08:47UT) Object RA Dec mag sep mel Pollux 07:46:54.8 +27:57:40 1.1 15.25 46 Alhena 06:39:13.1 +16:22:29 1.9 4.21 34 PPM 123009 06:47:52.9 +18:48:29 6.5 1.11 35 PPM 123131 06:52:05.2 +19:15:57 8.1 0.05 36 03TL58 06:52:14.9 +19:13:37 15.1 36 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
0.9 sigma about the mid-time.
The median site spacing is 18.7 km
RECON observability=1.0 and success probability=4.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 08:45:49 | -57.5 | Dark | Up | 47.5 | 237.4 | Up | 08:30:49 - 09:00:49 | 9450 |
| Summerland | 08:45:48 | -57.8 | Dark | Up | 47.9 | 237.3 | Up | 08:30:48 - 09:00:48 | 9419 |
| Penticton | 08:45:49 | -57.9 | Dark | Up | 47.8 | 237.5 | Up | 08:30:49 - 09:00:49 | 9415 |
| Okanagan Falls | 08:45:47 | -58.0 | Dark | Up | 48.0 | 237.6 | Up | 08:30:47 - 09:00:47 | 9399 |
| Oliver | 08:45:47 | -58.2 | Dark | Up | 48.0 | 237.8 | Up | 08:30:47 - 09:00:47 | 9385 |
| Anarchist Mountain Observatory | 08:45:47 | -58.3 | Dark | Up | 48.0 | 238.2 | Up | 08:30:47 - 09:00:47 | 9374 |
| Oroville | 08:45:47 | -58.4 | Dark | Up | 48.1 | 238.2 | Up | 08:30:47 - 09:00:47 | 9366 |
| Tonasket | 08:45:46 | -58.6 | Dark | Up | 48.2 | 238.4 | Up | 08:30:46 - 09:00:46 | 9347 |
| Okanogan | 08:45:46 | -59.0 | Dark | Up | 48.5 | 238.6 | Up | 08:30:46 - 09:00:46 | 9314 |
| Brewster | 08:45:46 | -59.3 | Dark | Up | 48.7 | 238.6 | Up | 08:30:46 - 09:00:46 | 9287 |
| Manson/Chelan | 08:45:46 | -59.5 | Dark | Up | 49.1 | 238.4 | Up | 08:30:46 - 09:00:46 | 9261 |
| Entiat | 08:45:46 | -59.8 | Dark | Up | 49.2 | 238.5 | Up | 08:30:46 - 09:00:46 | 9240 |
| Wenatchee | 08:45:45 | -60.0 | Dark | Up | 49.4 | 238.6 | Up | 08:30:45 - 09:00:45 | 9216 |
| Ellensburg | 08:45:44 | -60.5 | Dark | Up | 49.7 | 238.8 | Up | 08:30:44 - 09:00:44 | 9175 |
| Pasco | 08:45:39 | -60.9 | Dark | Up | 49.3 | 241.1 | Up | 08:30:39 - 09:00:39 | 9139 |
| Yakima | 08:45:44 | -60.9 | Dark | Up | 50.0 | 239.2 | Up | 08:30:44 - 09:00:44 | 9139 |
| Toppenish/White Swan | 08:45:43 | -61.1 | Dark | Up | 50.0 | 239.6 | Up | 08:30:43 - 09:00:43 | 9123 |
| PNWRO | 08:45:38 | -61.1 | Dark | Up | 49.3 | 241.6 | Up | 08:30:38 - 09:00:38 | 9122 |
| George/Umatilla | 08:45:38 | -61.3 | Dark | Up | 49.6 | 241.2 | Up | 08:30:38 - 09:00:38 | 9105 |
| Goldendale | 08:45:43 | -61.7 | Dark | Up | 50.5 | 239.7 | Up | 08:30:43 - 09:00:43 | 9065 |
| The Dalles | 08:45:43 | -61.9 | Dark | Up | 50.8 | 239.5 | Up | 08:30:43 - 09:00:43 | 9037 |
| Maupin | 08:45:42 | -62.3 | Dark | Up | 51.0 | 240.1 | Up | 08:30:42 - 09:00:42 | 9002 |
| Madras/Culver | 08:45:40 | -62.9 | Dark | Up | 51.3 | 240.6 | Up | 08:30:40 - 09:00:40 | 8951 |
| Niwot | 08:44:48 | -60.5 | Dark | Up | 41.8 | 259.9 | Up | 08:29:48 - 08:59:48 | 8929 |
| Redmond | 08:45:40 | -63.2 | Dark | Up | 51.5 | 240.9 | Up | 08:30:40 - 09:00:40 | 8917 |
| SwRI | 08:44:47 | -60.7 | Dark | Up | 41.9 | 259.9 | Up | 08:29:47 - 08:59:47 | 8917 |
| Sisters | 08:45:41 | -63.3 | Dark | Up | 51.7 | 240.5 | Up | 08:30:41 - 09:00:41 | 8911 |
| Bend | 08:45:39 | -63.5 | Dark | Up | 51.7 | 241.0 | Up | 08:30:39 - 09:00:39 | 8895 |
| Oregon Observatory | 08:45:39 | -63.7 | Dark | Up | 51.9 | 241.1 | Up | 08:30:39 - 09:00:39 | 8876 |
| La Pine/Gilchrist | 08:45:39 | -63.9 | Dark | Up | 52.0 | 241.2 | Up | 08:30:39 - 09:00:39 | 8856 |
| North Lake | 08:45:36 | -64.2 | Dark | Up | 51.8 | 242.4 | Up | 08:30:36 - 09:00:36 | 8829 |
| Paisley | 08:45:34 | -64.6 | Dark | Up | 51.8 | 243.4 | Up | 08:30:34 - 09:00:34 | 8786 |
| Chiloquin | 08:45:38 | -65.0 | Dark | Up | 52.8 | 242.1 | Up | 08:30:38 - 09:00:38 | 8745 |
| Lakeview | 08:45:32 | -65.1 | Dark | Up | 52.0 | 244.2 | Up | 08:30:32 - 09:00:32 | 8743 |
| Klamath Falls | 08:45:37 | -65.3 | Dark | Up | 52.9 | 242.6 | Up | 08:30:37 - 09:00:37 | 8715 |
| Tulelake | 08:45:36 | -65.5 | Dark | Up | 52.8 | 243.2 | Up | 08:30:36 - 09:00:36 | 8697 |
| Cedarville | 08:45:31 | -65.6 | Dark | Up | 52.1 | 245.1 | Up | 08:30:31 - 09:00:31 | 8686 |
| Fall River/Burney | 08:45:33 | -66.4 | Dark | Up | 53.2 | 244.4 | Up | 08:30:33 - 09:00:33 | 8613 |
| Susanville | 08:45:29 | -66.8 | Dark | Up | 52.9 | 245.9 | Up | 08:30:29 - 09:00:29 | 8570 |
| Gimple | 08:45:29 | -67.1 | Dark | Up | 53.2 | 246.0 | Up | 08:30:29 - 09:00:29 | 8539 |
| Greenville | 08:45:30 | -67.2 | Dark | Up | 53.2 | 245.9 | Up | 08:30:30 - 09:00:30 | 8537 |
| Quincy | 08:45:29 | -67.3 | Dark | Up | 53.3 | 246.2 | Up | 08:30:29 - 09:00:29 | 8518 |
| Portola | 08:45:28 | -67.4 | Dark | Up | 53.0 | 246.8 | Up | 08:30:28 - 09:00:28 | 8517 |
| Reno | 08:45:25 | -67.4 | Dark | Up | 52.7 | 247.8 | Up | 08:30:25 - 09:00:25 | 8507 |
| Carson City | 08:45:24 | -67.8 | Dark | Up | 52.8 | 248.3 | Up | 08:30:24 - 09:00:24 | 8473 |
| Yerington | 08:45:21 | -67.8 | Dark | Up | 52.4 | 249.1 | Up | 08:30:21 - 09:00:21 | 8470 |
| Gardnerville | 08:45:23 | -68.0 | Dark | Up | 52.9 | 248.6 | Up | 08:30:23 - 09:00:23 | 8451 |
| Hawthorne | 08:45:18 | -68.0 | Dark | Up | 52.2 | 250.2 | Up | 08:30:18 - 09:00:18 | 8438 |
| Tonopah | 08:45:13 | -67.9 | Dark | Up | 51.3 | 252.1 | Up | 08:30:13 - 09:00:13 | 8428 |
| Lee Vining | 08:45:18 | -68.7 | Dark | Up | 52.8 | 250.4 | Up | 08:30:18 - 09:00:18 | 8372 |
| Bishop | 08:45:15 | -69.0 | Dark | Up | 52.4 | 251.8 | Up | 08:30:15 - 09:00:15 | 8332 |
| Beatty | 08:45:10 | -68.8 | Dark | Up | 51.3 | 253.9 | Up | 08:30:10 - 09:00:10 | 8328 |
| Indian Springs | 08:45:06 | -68.6 | Dark | Up | 50.6 | 255.2 | Up | 08:30:06 - 09:00:06 | 8324 |
| Henderson | 08:45:03 | -68.7 | Dark | Up | 50.2 | 256.4 | Up | 08:30:03 - 09:00:03 | 8291 |
| Lone Pine | 08:45:12 | -69.6 | Dark | Up | 52.4 | 253.1 | Up | 08:30:12 - 09:00:12 | 8267 |
| Patrick | 08:44:57 | -68.7 | Dark | Up | 49.5 | 258.0 | Up | 08:29:57 - 08:59:57 | 8259 |
| DCO | 08:44:55 | -68.5 | Dark | Up | 49.0 | 258.8 | Up | 08:29:55 - 08:59:55 | 8249 |
| Searchlight/Boulder City | 08:45:01 | -69.2 | Dark | Up | 50.3 | 257.1 | Up | 08:30:01 - 09:00:01 | 8237 |
| Kingman/Dolan Springs | 08:44:58 | -68.9 | Dark | Up | 49.7 | 258.1 | Up | 08:29:58 - 08:59:58 | 8233 |
| Laughlin/Bullhead City | 08:44:59 | -69.2 | Dark | Up | 50.1 | 257.7 | Up | 08:29:59 - 08:59:59 | 8217 |
| Mohave Valley | 08:44:58 | -69.4 | Dark | Up | 50.1 | 258.0 | Up | 08:29:58 - 08:59:58 | 8191 |
| Lake Havasu City | 08:44:57 | -69.6 | Dark | Up | 50.0 | 258.7 | Up | 08:29:57 - 08:59:57 | 8158 |
| Parker | 08:44:56 | -69.9 | Dark | Up | 50.1 | 259.1 | Up | 08:29:56 - 08:59:56 | 8125 |
| CPSLO | 08:45:17 | -71.6 | Dark | Up | 54.8 | 252.4 | Up | 08:30:17 - 09:00:17 | 8076 |
| Blythe | 08:44:55 | -70.4 | Dark | Up | 50.4 | 259.5 | Up | 08:29:55 - 08:59:55 | 8066 |
| Idyllwild | 08:45:03 | -71.4 | Dark | Up | 52.1 | 257.8 | Up | 08:30:03 - 09:00:03 | 8021 |
| Wildwood | 08:45:09 | -72.0 | Dark | Up | 53.5 | 255.8 | Up | 08:30:09 - 09:00:09 | 8008 |
| Calipatria | 08:44:57 | -71.3 | Dark | Up | 51.3 | 259.4 | Up | 08:29:57 - 08:59:57 | 7992 |
| Yuma | 08:44:54 | -71.1 | Dark | Up | 50.6 | 260.6 | Up | 08:29:54 - 08:59:54 | 7974 |
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 03TL58, (2026/01/28 08:47UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 15.25 46 Alhena 06:37:42.8 +16:23:57 1.9 4.21 34 PPM 123009 06:46:21.1 +18:50:16 6.5 1.11 35 PPM 123131 06:50:33.1 +19:17:53 8.1 0.05 36 03TL58 06:50:42.8 +19:15:34 15.1 36 Positions are for J2000
Event circumstances last updated at 2019/06/08 22:29:24 UT
Marc W. Buie, Southwest Research Institute