Event between 12AZ25 and star GA0900:03574708 with event index number of 1582014
Geocentric closest approach at 2026/03/30 05:00:30 UTC
J2000 position of star is 09:34:18.7 +01:38:47
Equinox of date position of star is 09:35:21.4 +01:33:20
Stellar brightness G=15.2,
use SENSEUP=128
Star is 16 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=26.7
[RECON map]
TNO is 45.8 AU from the Sun
and 45.1 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 548 seconds.
The 1-sigma cross-track error in the shadow position is
5419 km.
The sky-plane scale is
32736.8 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=489.8 km assuming a 5% albedo -- 3.3 sec chord
Diameter=200.0 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 12AZ25, (2026/03/30 05:00UT) Object RA Dec mag sep mel Regulus 10:09:46.1 +11:50:16 1.3 13.33 5 Alphard 09:28:52.6 -08:46:25 2.0 10.44 24 32Tau2Hya 09:33:19.1 -01:18:07 4.2 2.89 18 PPM 155923 09:32:52.5 +01:20:52 7.0 0.72 17 PPM 155977 09:36:07.7 +01:29:01 9.7 0.12 16 12AZ25 09:35:40.0 +01:31:43 15.2 16 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
1.6 sigma about the mid-time.
The median site spacing is 13.0 km
RECON observability=1.0 and success probability=3.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 05:01:41 | -37.8 | Dark | Up | 49.4 | 202.3 | Up | 04:46:41 - 05:16:41 | 8919 |
| SwRI | 05:01:38 | -37.8 | Dark | Up | 49.5 | 202.2 | Up | 04:46:38 - 05:16:38 | 8907 |
| Clarence Fulton | 05:03:00 | -23.8 | Dark | Up | 41.4 | 180.6 | Up | 04:48:00 - 05:18:00 | 8887 |
| Kelowna | 05:02:57 | -23.9 | Dark | Up | 41.8 | 180.4 | Up | 04:47:57 - 05:17:57 | 8857 |
| Peachland | 05:02:57 | -23.9 | Dark | Up | 41.9 | 180.0 | Up | 04:47:57 - 05:17:57 | 8838 |
| Penticton | 05:02:59 | -24.1 | Dark | Up | 42.1 | 180.3 | Up | 04:47:59 - 05:17:59 | 8834 |
| Summerland | 05:02:57 | -24.0 | Dark | Up | 42.0 | 180.1 | Up | 04:47:57 - 05:17:57 | 8833 |
| Oliver | 05:02:56 | -24.3 | Dark | Up | 42.5 | 180.3 | Up | 04:47:56 - 05:17:56 | 8812 |
| Anarchist Mountain Observatory | 05:02:54 | -24.5 | Dark | Up | 42.6 | 180.5 | Up | 04:47:54 - 05:17:54 | 8810 |
| Tonasket | 05:02:53 | -24.7 | Dark | Up | 42.9 | 180.4 | Up | 04:47:53 - 05:17:53 | 8788 |
| Okanogan | 05:02:56 | -24.8 | Dark | Up | 43.3 | 180.2 | Up | 04:47:56 - 05:17:56 | 8761 |
| Brewster | 05:02:53 | -24.9 | Dark | Up | 43.6 | 179.9 | Up | 04:47:53 - 05:17:53 | 8735 |
| Manson/Chelan | 05:02:53 | -24.8 | Dark | Up | 43.8 | 179.4 | Up | 04:47:53 - 05:17:53 | 8706 |
| Entiat | 05:02:55 | -24.9 | Dark | Up | 44.0 | 179.3 | Up | 04:47:55 - 05:17:55 | 8689 |
| Wenatchee | 05:02:56 | -25.0 | Dark | Up | 44.2 | 179.2 | Up | 04:47:56 - 05:17:56 | 8668 |
| Pasco | 05:02:48 | -26.4 | Dark | Up | 45.4 | 180.9 | Up | 04:47:48 - 05:17:48 | 8647 |
| PNWRO | 05:02:44 | -26.6 | Dark | Up | 45.6 | 181.2 | Up | 04:47:44 - 05:17:44 | 8642 |
| Ellensburg | 05:02:54 | -25.2 | Dark | Up | 44.6 | 178.9 | Up | 04:47:54 - 05:17:54 | 8632 |
| Victoria | 05:03:08 | -22.7 | Dark | Up | 43.0 | 175.1 | Up | 04:48:08 - 05:18:08 | 8607 |
| Yakima | 05:02:53 | -25.4 | Dark | Up | 45.1 | 178.8 | Up | 04:47:53 - 05:17:53 | 8605 |
| Toppenish/White Swan | 05:02:50 | -25.6 | Dark | Up | 45.3 | 179.1 | Up | 04:47:50 - 05:17:50 | 8599 |
| Goldendale | 05:02:50 | -25.7 | Dark | Up | 45.8 | 178.4 | Up | 04:47:50 - 05:17:50 | 8543 |
| The Dalles | 05:02:52 | -25.6 | Dark | Up | 46.0 | 177.9 | Up | 04:47:52 - 05:17:52 | 8511 |
| Maupin | 05:02:50 | -25.9 | Dark | Up | 46.5 | 178.0 | Up | 04:47:50 - 05:17:50 | 8489 |
| Redmond | 05:02:50 | -26.4 | Dark | Up | 47.4 | 177.9 | Up | 04:47:50 - 05:17:50 | 8424 |
| Sisters | 05:02:51 | -26.2 | Dark | Up | 47.3 | 177.3 | Up | 04:47:51 - 05:17:51 | 8407 |
| Bend | 05:02:49 | -26.5 | Dark | Up | 47.6 | 177.7 | Up | 04:47:49 - 05:17:49 | 8403 |
| Oregon Observatory | 05:02:50 | -26.5 | Dark | Up | 47.7 | 177.5 | Up | 04:47:50 - 05:17:50 | 8385 |
| La Pine/Gilchrist | 05:02:50 | -26.6 | Dark | Up | 47.9 | 177.4 | Up | 04:47:50 - 05:17:50 | 8368 |
| North Lake | 05:02:45 | -27.2 | Dark | Up | 48.4 | 178.2 | Up | 04:47:45 - 05:17:45 | 8366 |
| Paisley | 05:02:42 | -27.7 | Dark | Up | 48.9 | 178.7 | Up | 04:47:42 - 05:17:42 | 8345 |
| Lakeview | 05:02:41 | -28.1 | Dark | Up | 49.5 | 179.0 | Up | 04:47:41 - 05:17:41 | 8319 |
| Cedarville | 05:02:37 | -28.6 | Dark | Up | 50.1 | 179.2 | Up | 04:47:37 - 05:17:37 | 8282 |
| Klamath Falls | 05:02:48 | -27.2 | Dark | Up | 49.4 | 176.8 | Up | 04:47:48 - 05:17:48 | 8254 |
| Fall River/Burney | 05:02:42 | -28.1 | Dark | Up | 50.6 | 177.3 | Up | 04:47:42 - 05:17:42 | 8188 |
| Tonopah | 05:02:17 | -32.4 | Dark | Up | 53.5 | 184.0 | Up | 04:47:17 - 05:17:17 | 8183 |
| DCO | 05:01:52 | -36.7 | Dark | Up | 56.0 | 191.4 | Up | 04:46:52 - 05:16:52 | 8182 |
| Susanville | 05:02:37 | -28.9 | Dark | Up | 51.2 | 178.4 | Up | 04:47:37 - 05:17:37 | 8180 |
| Patrick | 05:01:57 | -36.1 | Dark | Up | 55.8 | 190.1 | Up | 04:46:57 - 05:16:57 | 8167 |
| Reno | 05:02:33 | -30.0 | Dark | Up | 52.1 | 179.7 | Up | 04:47:33 - 05:17:33 | 8159 |
| Indian Springs | 05:02:09 | -34.3 | Dark | Up | 54.9 | 186.8 | Up | 04:47:09 - 05:17:09 | 8156 |
| Henderson | 05:02:02 | -35.0 | Dark | Up | 55.3 | 188.0 | Up | 04:47:02 - 05:17:02 | 8153 |
| Yerington | 05:02:28 | -30.7 | Dark | Up | 52.7 | 180.8 | Up | 04:47:28 - 05:17:28 | 8152 |
| George/Scottsdale | 05:01:43 | -38.4 | Dark | Up | 57.2 | 194.1 | Up | 04:46:43 - 05:16:43 | 8151 |
| Gimple | 05:02:39 | -29.0 | Dark | Up | 51.5 | 178.1 | Up | 04:47:39 - 05:17:39 | 8149 |
| Portola | 05:02:35 | -29.4 | Dark | Up | 51.8 | 178.7 | Up | 04:47:35 - 05:17:35 | 8146 |
| Greenville | 05:02:37 | -28.9 | Dark | Up | 51.5 | 178.0 | Up | 04:47:37 - 05:17:37 | 8145 |
| Hawthorne | 05:02:23 | -31.3 | Dark | Up | 53.1 | 181.7 | Up | 04:47:23 - 05:17:23 | 8145 |
| Kingman/Dolan Springs | 05:01:55 | -36.1 | Dark | Up | 56.1 | 189.8 | Up | 04:46:55 - 05:16:55 | 8141 |
| Carson City | 05:02:31 | -30.2 | Dark | Up | 52.5 | 179.8 | Up | 04:47:31 - 05:17:31 | 8134 |
| Quincy | 05:02:37 | -29.0 | Dark | Up | 51.7 | 178.0 | Up | 04:47:37 - 05:17:37 | 8131 |
| Beatty | 05:02:12 | -33.4 | Dark | Up | 54.6 | 184.9 | Up | 04:47:12 - 05:17:12 | 8123 |
| Gardnerville | 05:02:28 | -30.3 | Dark | Up | 52.7 | 179.8 | Up | 04:47:28 - 05:17:28 | 8119 |
| Searchlight/Boulder City | 05:02:00 | -35.4 | Dark | Up | 55.9 | 188.2 | Up | 04:47:00 - 05:17:00 | 8115 |
| Laughlin/Bullhead City | 05:01:59 | -35.8 | Dark | Up | 56.2 | 188.9 | Up | 04:46:59 - 05:16:59 | 8111 |
| Mohave Valley | 05:01:58 | -36.0 | Dark | Up | 56.4 | 189.0 | Up | 04:46:58 - 05:16:58 | 8092 |
| Lee Vining | 05:02:23 | -31.3 | Dark | Up | 53.7 | 180.8 | Up | 04:47:23 - 05:17:23 | 8080 |
| Lake Havasu City | 05:01:55 | -36.4 | Dark | Up | 56.8 | 189.5 | Up | 04:46:55 - 05:16:55 | 8076 |
| Bishop | 05:02:21 | -32.1 | Dark | Up | 54.3 | 182.1 | Up | 04:47:21 - 05:17:21 | 8073 |
| Parker | 05:01:54 | -36.6 | Dark | Up | 57.1 | 189.6 | Up | 04:46:54 - 05:16:54 | 8052 |
| Blythe | 05:01:55 | -36.7 | Dark | Up | 57.7 | 189.2 | Up | 04:46:55 - 05:16:55 | 7997 |
| Yuma | 05:01:50 | -37.2 | Dark | Up | 58.6 | 189.4 | Up | 04:46:50 - 05:16:50 | 7926 |
| Calipatria | 05:01:56 | -36.4 | Dark | Up | 58.3 | 187.6 | Up | 04:46:56 - 05:16:56 | 7910 |
| Idyllwild | 05:02:02 | -35.2 | Dark | Up | 57.8 | 185.3 | Up | 04:47:02 - 05:17:02 | 7893 |
| Wildwood | 05:02:12 | -33.8 | Dark | Up | 57.5 | 181.8 | Up | 04:47:12 - 05:17:12 | 7819 |
| CPSLO | 05:02:21 | -31.7 | Dark | Up | 56.3 | 178.1 | Up | 04:47:21 - 05:17:21 | 7801 |
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 12AZ25, (2026/03/30 05:00UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 13.33 5 Alphard 09:27:35.2 -08:39:30 2.0 10.44 24 32Tau2Hya 09:31:58.9 -01:11:06 4.2 2.89 18 PPM 155923 09:31:31.3 +01:27:53 7.0 0.72 17 PPM 155977 09:34:46.4 +01:36:06 9.7 0.12 16 12AZ25 09:34:18.7 +01:38:47 15.2 16 Positions are for J2000
Event circumstances last updated at 2020/03/30 22:53:57 UT
Marc W. Buie, Southwest Research Institute