Event between 02VF131 and star GA1100:02540572 with event index number of 1855124
Geocentric closest approach at 2028/01/25 03:25:14 UTC
J2000 position of star is 06:56:16.1 +21:19:01
Equinox of date position of star is 06:57:36.3 +21:17:10
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 174 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 43.1 AU from the Sun
and 42.2 AU from the Earth.
The TNO is moving 23.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 2870 seconds.
The 1-sigma cross-track error in the shadow position is
5301 km.
The sky-plane scale is
30594.5 km/arcsec.
The TNO has an absolute magnitude Hv=6.7
Diameter=279.3 km assuming a 5% albedo -- 11.8 sec chord
Diameter=114.0 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 02VF131, (2028/01/25 03:25UT) Object RA Dec mag sep mel Pollux 07:47:02.1 +27:57:22 1.1 12.99 173 Alhena 06:39:20.0 +16:22:22 1.9 6.59 168 36 Gem 06:53:13.9 +21:43:32 5.3 1.18 173 PPM 096783 06:58:28.8 +20:55:42 7.3 0.37 174 PPM 096774 06:58:05.8 +21:21:23 10.0 0.09 174 02VF131 06:57:56.6 +21:16:42 14.3 174 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
0.3 sigma about the mid-time.
The median site spacing is 27.6 km
RECON observability=1.0 and success probability=6.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 03:27:40 | -26.3 | Dark | Down | 42.2 | 109.5 | Up | 03:12:40 - 03:42:40 | 8033 |
| Sleaford | 03:27:04 | -34.9 | Dark | Down | 49.5 | 126.2 | Up | 03:12:04 - 03:42:04 | 8013 |
| Kelowna | 03:27:39 | -26.9 | Dark | Down | 43.0 | 109.6 | Up | 03:12:39 - 03:42:39 | 7945 |
| Peachland | 03:27:40 | -26.7 | Dark | Down | 42.9 | 109.2 | Up | 03:12:40 - 03:42:40 | 7938 |
| Summerland | 03:27:42 | -26.8 | Dark | Down | 43.0 | 109.2 | Up | 03:12:42 - 03:42:42 | 7923 |
| Penticton | 03:27:41 | -26.9 | Dark | Down | 43.1 | 109.3 | Up | 03:12:41 - 03:42:41 | 7915 |
| Oliver | 03:27:41 | -26.9 | Dark | Down | 43.2 | 108.9 | Up | 03:12:41 - 03:42:41 | 7882 |
| Victoria | 03:27:51 | -24.4 | Dark | Down | 41.0 | 104.8 | Up | 03:12:51 - 03:42:51 | 7876 |
| Anarchist Mountain Observatory | 03:27:42 | -27.0 | Dark | Down | 43.4 | 109.0 | Up | 03:12:42 - 03:42:42 | 7863 |
| Tonasket | 03:27:42 | -27.0 | Dark | Down | 43.5 | 108.6 | Up | 03:12:42 - 03:42:42 | 7834 |
| Okanogan | 03:27:44 | -26.9 | Dark | Down | 43.5 | 108.2 | Up | 03:12:44 - 03:42:44 | 7804 |
| Brewster | 03:27:45 | -26.8 | Dark | Down | 43.4 | 107.8 | Up | 03:12:45 - 03:42:45 | 7781 |
| Manson/Chelan | 03:27:46 | -26.5 | Dark | Down | 43.3 | 107.2 | Up | 03:12:46 - 03:42:46 | 7767 |
| Wenatchee | 03:27:46 | -26.4 | Dark | Down | 43.3 | 106.7 | Up | 03:12:46 - 03:42:46 | 7724 |
| Ellensburg | 03:27:48 | -26.3 | Dark | Down | 43.3 | 106.1 | Up | 03:12:48 - 03:42:48 | 7687 |
| Yakima | 03:27:49 | -26.2 | Dark | Down | 43.4 | 105.7 | Up | 03:12:49 - 03:42:49 | 7648 |
| Toppenish/White Swan | 03:27:50 | -26.4 | Dark | Down | 43.5 | 105.7 | Up | 03:12:50 - 03:42:50 | 7624 |
| Goldendale | 03:27:51 | -26.1 | Dark | Down | 43.4 | 104.8 | Up | 03:12:51 - 03:42:51 | 7577 |
| PNWRO | 03:27:46 | -27.4 | Dark | Down | 44.6 | 106.7 | Up | 03:12:46 - 03:42:46 | 7566 |
| The Dalles | 03:27:53 | -25.8 | Dark | Down | 43.2 | 104.3 | Up | 03:12:53 - 03:42:53 | 7561 |
| Maupin | 03:27:52 | -25.9 | Dark | Down | 43.4 | 104.0 | Up | 03:12:52 - 03:42:52 | 7518 |
| Sisters | 03:27:56 | -25.5 | Dark | Down | 43.3 | 102.8 | Up | 03:12:56 - 03:42:56 | 7440 |
| Bend | 03:27:56 | -25.7 | Dark | Down | 43.5 | 102.8 | Up | 03:12:56 - 03:42:56 | 7412 |
| Oregon Observatory | 03:27:56 | -25.6 | Dark | Down | 43.4 | 102.5 | Up | 03:12:56 - 03:42:56 | 7397 |
| North Lake | 03:27:58 | -25.9 | Dark | Down | 44.0 | 102.4 | Up | 03:12:58 - 03:42:58 | 7325 |
| Chiloquin | 03:28:00 | -25.2 | Dark | Down | 43.4 | 100.9 | Up | 03:13:00 - 03:43:00 | 7273 |
| Klamath Falls | 03:28:00 | -25.3 | Dark | Down | 43.5 | 100.7 | Up | 03:13:00 - 03:43:00 | 7237 |
| Lakeview | 03:27:57 | -26.3 | Dark | Down | 44.6 | 101.8 | Up | 03:12:57 - 03:42:57 | 7210 |
| Cedarville | 03:27:58 | -26.4 | Dark | Down | 44.8 | 101.3 | Up | 03:12:58 - 03:42:58 | 7141 |
| Fall River/Burney | 03:28:03 | -25.5 | Dark | Down | 44.0 | 99.9 | Up | 03:13:03 - 03:43:03 | 7112 |
| Susanville | 03:28:01 | -26.0 | Dark | Down | 44.7 | 99.8 | Up | 03:13:01 - 03:43:01 | 7036 |
| Greenville | 03:28:03 | -25.8 | Dark | Down | 44.5 | 99.4 | Up | 03:13:03 - 03:43:03 | 7013 |
| Gimple | 03:28:03 | -25.8 | Dark | Down | 44.6 | 99.4 | Up | 03:13:03 - 03:43:03 | 7011 |
| Quincy | 03:28:03 | -25.7 | Dark | Down | 44.6 | 99.2 | Up | 03:13:03 - 03:43:03 | 6992 |
| Portola | 03:28:02 | -26.1 | Dark | Down | 44.9 | 99.4 | Up | 03:13:02 - 03:43:02 | 6971 |
| Reno | 03:28:01 | -26.6 | Dark | Down | 45.5 | 99.6 | Up | 03:13:01 - 03:43:01 | 6933 |
| Carson City | 03:28:02 | -26.6 | Dark | Down | 45.6 | 99.3 | Up | 03:13:02 - 03:43:02 | 6896 |
| Gardnerville | 03:28:02 | -26.6 | Dark | Down | 45.6 | 99.1 | Up | 03:13:02 - 03:43:02 | 6870 |
| Yerington | 03:28:00 | -27.1 | Dark | Down | 46.1 | 99.6 | Up | 03:13:00 - 03:43:00 | 6866 |
| Dunrhomin | 03:27:20 | -37.7 | Dark | Down | 55.9 | 113.7 | Up | 03:12:20 - 03:42:20 | 6821 |
| Hawthorne | 03:28:00 | -27.4 | Dark | Down | 46.6 | 99.5 | Up | 03:13:00 - 03:43:00 | 6809 |
| CU-SBO | 03:27:20 | -37.6 | Dark | Down | 56.0 | 113.2 | Up | 03:12:20 - 03:42:20 | 6796 |
| Lee Vining | 03:28:02 | -27.0 | Dark | Down | 46.3 | 98.5 | Up | 03:13:02 - 03:43:02 | 6759 |
| Tonopah | 03:27:56 | -28.5 | Dark | Down | 47.7 | 100.1 | Up | 03:12:56 - 03:42:56 | 6739 |
| Bishop | 03:28:01 | -27.6 | Dark | Down | 46.9 | 98.5 | Up | 03:13:01 - 03:43:01 | 6685 |
| Beatty | 03:27:58 | -28.8 | Dark | Down | 48.3 | 99.2 | Up | 03:12:58 - 03:42:58 | 6611 |
| Indian Springs | 03:27:54 | -29.7 | Dark | Down | 49.2 | 99.6 | Up | 03:12:54 - 03:42:54 | 6560 |
| Henderson | 03:27:53 | -30.2 | Dark | Down | 49.8 | 99.5 | Up | 03:12:53 - 03:42:53 | 6493 |
| Patrick | 03:27:51 | -31.1 | Dark | Down | 50.8 | 99.6 | Up | 03:12:51 - 03:42:51 | 6411 |
| Laughlin/Bullhead City | 03:27:53 | -30.5 | Dark | Down | 50.3 | 98.8 | Up | 03:12:53 - 03:42:53 | 6395 |
| Kingman/Dolan Springs | 03:27:52 | -30.9 | Dark | Down | 50.7 | 99.2 | Up | 03:12:52 - 03:42:52 | 6390 |
| Mohave Valley | 03:27:54 | -30.5 | Dark | Down | 50.3 | 98.4 | Up | 03:12:54 - 03:42:54 | 6366 |
| Wildwood | 03:28:07 | -27.1 | Dark | Down | 47.2 | 94.8 | Up | 03:13:07 - 03:43:07 | 6345 |
| Lake Havasu City | 03:27:54 | -30.7 | Dark | Down | 50.6 | 98.1 | Up | 03:12:54 - 03:42:54 | 6320 |
| Parker | 03:27:53 | -30.7 | Dark | Down | 50.7 | 97.7 | Up | 03:12:53 - 03:42:53 | 6282 |
| Idyllwild | 03:28:01 | -28.6 | Dark | Down | 48.7 | 95.6 | Up | 03:13:01 - 03:43:01 | 6276 |
| George/Scottsdale | 03:27:47 | -32.6 | Dark | Down | 52.7 | 98.9 | Up | 03:12:47 - 03:42:47 | 6203 |
| Calipatria | 03:28:00 | -29.6 | Dark | Down | 49.8 | 95.7 | Up | 03:13:00 - 03:43:00 | 6193 |
| Yuma | 03:27:56 | -30.3 | Dark | Down | 50.6 | 95.8 | Up | 03:12:56 - 03:42:56 | 6133 |
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 02VF131, (2028/01/25 03:25UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 12.99 173 Alhena 06:37:42.8 +16:23:57 1.9 6.59 168 36 Gem 06:51:33.0 +21:45:39 5.3 1.18 173 PPM 096783 06:56:48.6 +20:58:02 7.3 0.37 174 PPM 096774 06:56:25.3 +21:23:42 10.0 0.09 174 02VF131 06:56:16.1 +21:19:01 14.3 174 Positions are for J2000
Event circumstances last updated at 2022/05/21 23:07:00 UT
Marc W. Buie, Southwest Research Institute