Event between 15KH162 and star GA0880:04699561 with event index number of 1399732
Geocentric closest approach at 2025/05/28 08:19:18 UTC
J2000 position of star is 16:12:26.0 -00:48:43
Equinox of date position of star is 16:13:31.5 -00:51:54
Stellar brightness G=14.2,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 61.6 AU from the Sun
and 60.6 AU from the Earth.
The TNO is moving 26.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 227 seconds.
The 1-sigma cross-track error in the shadow position is
3091 km.
The sky-plane scale is
43962.3 km/arcsec.
The TNO has an absolute magnitude Hv=4.1
Diameter=924.7 km assuming a 5% albedo -- 35.6 sec chord
Diameter=377.5 km assuming a 30% albedo -- 14.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 15KH162, (2025/05/28 08:19UT) Object RA Dec mag sep mel Antares 16:30:58.2 -26:29:10 0.9 25.94 165 1Del Oph 16:15:40.8 -03:45:28 2.7 2.92 149 PPM 199363 16:11:10.4 -03:31:54 5.0 2.73 148 PPM 179746 16:14:29.6 -00:34:57 8.2 0.35 146 PPM 179736 16:12:56.2 -00:53:53 9.9 0.20 146 PPM 179745 16:14:17.9 -00:57:09 10.3 0.16 146 15KH162 16:13:44.6 -00:52:32 14.2 146 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
4.0 sigma about the mid-time.
The median site spacing is 21.6 km
RECON observability=1.0 and success probability=10.7%
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 | 08:19:36 | -18.0 | Dark | Down | 38.4 | 191.0 | Up | 08:04:36 - 08:34:36 | -1177 |
Kelowna | 08:19:36 | -18.4 | Dark | Down | 38.8 | 190.9 | Up | 08:04:36 - 08:34:36 | -1205 |
Peachland | 08:19:37 | -18.5 | Dark | Down | 39.0 | 190.5 | Up | 08:04:37 - 08:34:37 | -1216 |
Summerland | 08:19:36 | -18.7 | Dark | Down | 39.1 | 190.7 | Up | 08:04:36 - 08:34:36 | -1225 |
Penticton | 08:19:36 | -18.7 | Dark | Down | 39.1 | 190.8 | Up | 08:04:36 - 08:34:36 | -1228 |
Oliver | 08:19:35 | -19.1 | Dark | Down | 39.5 | 190.9 | Up | 08:04:35 - 08:34:35 | -1251 |
Anarchist Mountain Observatory | 08:19:34 | -19.3 | Dark | Down | 39.6 | 191.1 | Up | 08:04:34 - 08:34:34 | -1260 |
Tonasket | 08:19:34 | -19.6 | Dark | Down | 39.9 | 191.1 | Up | 08:04:34 - 08:34:34 | -1282 |
Okanogan | 08:19:34 | -19.9 | Dark | Down | 40.3 | 190.9 | Up | 08:04:34 - 08:34:34 | -1308 |
Brewster | 08:19:35 | -20.2 | Dark | Down | 40.6 | 190.7 | Up | 08:04:35 - 08:34:35 | -1329 |
Manson/Chelan | 08:19:36 | -20.4 | Dark | Down | 40.8 | 190.3 | Up | 08:04:36 - 08:34:36 | -1349 |
Victoria | 08:19:46 | -19.9 | Dark | Down | 40.5 | 186.0 | Up | 08:04:46 - 08:34:46 | -1354 |
Wenatchee | 08:19:36 | -20.9 | Dark | Down | 41.3 | 190.1 | Up | 08:04:36 - 08:34:36 | -1385 |
Ellensburg | 08:19:36 | -21.3 | Dark | Down | 41.8 | 189.9 | Up | 08:04:36 - 08:34:36 | -1417 |
Yakima | 08:19:36 | -21.7 | Dark | Down | 42.2 | 189.9 | Up | 08:04:36 - 08:34:36 | -1447 |
Pasco | 08:19:31 | -22.0 | Dark | Down | 42.3 | 191.9 | Up | 08:04:31 - 08:34:31 | -1449 |
Toppenish/White Swan | 08:19:35 | -21.9 | Dark | Down | 42.4 | 190.2 | Up | 08:04:35 - 08:34:35 | -1460 |
PNWRO | 08:19:30 | -22.2 | Dark | Down | 42.5 | 192.3 | Up | 08:04:30 - 08:34:30 | -1463 |
Goldendale | 08:19:36 | -22.5 | Dark | Down | 42.9 | 189.7 | Up | 08:04:36 - 08:34:36 | -1506 |
The Dalles | 08:19:36 | -22.8 | Dark | Down | 43.2 | 189.3 | Up | 08:04:36 - 08:34:36 | -1529 |
Maupin | 08:19:36 | -23.2 | Dark | Down | 43.6 | 189.5 | Up | 08:04:36 - 08:34:36 | -1558 |
Redmond | 08:19:35 | -24.1 | Dark | Down | 44.5 | 189.5 | Up | 08:04:35 - 08:34:35 | -1626 |
Sisters | 08:19:36 | -24.1 | Dark | Down | 44.5 | 188.9 | Up | 08:04:36 - 08:34:36 | -1630 |
Bend | 08:19:35 | -24.3 | Dark | Down | 44.7 | 189.3 | Up | 08:04:35 - 08:34:35 | -1644 |
Oregon Observatory | 08:19:36 | -24.5 | Dark | Down | 44.9 | 189.2 | Up | 08:04:36 - 08:34:36 | -1659 |
La Pine/Gilchrist | 08:19:36 | -24.7 | Dark | Down | 45.1 | 189.1 | Up | 08:04:36 - 08:34:36 | -1676 |
Dunrhomin | 08:18:42 | -25.4 | Dark | Down | 44.1 | 212.2 | Up | 08:03:42 - 08:33:42 | -1676 |
North Lake | 08:19:33 | -25.1 | Dark | Down | 45.5 | 190.0 | Up | 08:04:33 - 08:34:33 | -1699 |
Paisley | 08:19:32 | -25.6 | Dark | Down | 46.0 | 190.6 | Up | 08:04:32 - 08:34:32 | -1735 |
Chiloquin | 08:19:36 | -25.8 | Dark | Down | 46.3 | 188.8 | Up | 08:04:36 - 08:34:36 | -1767 |
Lakeview | 08:19:31 | -26.1 | Dark | Down | 46.5 | 191.0 | Up | 08:04:31 - 08:34:31 | -1771 |
Klamath Falls | 08:19:35 | -26.2 | Dark | Down | 46.6 | 189.0 | Up | 08:04:35 - 08:34:35 | -1792 |
Cedarville | 08:19:30 | -26.8 | Dark | Down | 47.1 | 191.4 | Up | 08:04:30 - 08:34:30 | -1820 |
Fall River/Burney | 08:19:33 | -27.3 | Dark | Down | 47.7 | 189.7 | Up | 08:04:33 - 08:34:33 | -1878 |
Susanville | 08:19:30 | -27.9 | Dark | Down | 48.2 | 190.9 | Up | 08:04:30 - 08:34:30 | -1916 |
Gimple | 08:19:30 | -28.2 | Dark | Down | 48.6 | 190.7 | Up | 08:04:30 - 08:34:30 | -1942 |
Greenville | 08:19:30 | -28.2 | Dark | Down | 48.6 | 190.5 | Up | 08:04:30 - 08:34:30 | -1943 |
Quincy | 08:19:30 | -28.4 | Dark | Down | 48.8 | 190.6 | Up | 08:04:30 - 08:34:30 | -1960 |
Portola | 08:19:29 | -28.5 | Dark | Down | 48.8 | 191.3 | Up | 08:04:29 - 08:34:29 | -1961 |
Reno | 08:19:27 | -28.7 | Dark | Down | 49.0 | 192.3 | Up | 08:04:27 - 08:34:27 | -1972 |
Carson City | 08:19:26 | -29.1 | Dark | Down | 49.3 | 192.5 | Up | 08:04:26 - 08:34:26 | -2000 |
Yerington | 08:19:24 | -29.2 | Dark | Down | 49.4 | 193.5 | Up | 08:04:24 - 08:34:24 | -2005 |
Gardnerville | 08:19:26 | -29.3 | Dark | Down | 49.6 | 192.6 | Up | 08:04:26 - 08:34:26 | -2020 |
Hawthorne | 08:19:22 | -29.6 | Dark | Down | 49.8 | 194.4 | Up | 08:04:22 - 08:34:22 | -2034 |
Tonopah | 08:19:17 | -29.9 | Dark | Down | 49.9 | 196.6 | Up | 08:04:17 - 08:34:17 | -2048 |
Lee Vining | 08:19:23 | -30.2 | Dark | Down | 50.4 | 193.8 | Up | 08:04:23 - 08:34:23 | -2089 |
Bishop | 08:19:19 | -30.7 | Dark | Down | 50.8 | 195.1 | Up | 08:04:19 - 08:34:19 | -2126 |
Beatty | 08:19:14 | -31.0 | Dark | Down | 50.9 | 197.7 | Up | 08:04:14 - 08:34:14 | -2136 |
Indian Springs | 08:19:10 | -31.2 | Dark | Down | 51.0 | 199.5 | Up | 08:04:10 - 08:34:10 | -2145 |
Henderson | 08:19:07 | -31.6 | Dark | Down | 51.3 | 200.8 | Up | 08:04:07 - 08:34:07 | -2178 |
Patrick | 08:19:02 | -32.0 | Dark | Down | 51.5 | 202.7 | Up | 08:04:02 - 08:34:02 | -2211 |
Kingman/Dolan Springs | 08:19:03 | -32.3 | Dark | Down | 51.8 | 202.6 | Up | 08:04:03 - 08:34:03 | -2233 |
Laughlin/Bullhead City | 08:19:04 | -32.4 | Dark | Down | 52.0 | 201.8 | Up | 08:04:04 - 08:34:04 | -2244 |
Mohave Valley | 08:19:04 | -32.6 | Dark | Down | 52.2 | 201.9 | Up | 08:04:04 - 08:34:04 | -2268 |
Lake Havasu City | 08:19:03 | -33.0 | Dark | Down | 52.5 | 202.5 | Up | 08:04:03 - 08:34:03 | -2297 |
George/Scottsdale | 08:18:54 | -33.3 | Dark | Down | 52.4 | 206.7 | Up | 08:03:54 - 08:33:54 | -2320 |
Parker | 08:19:03 | -33.3 | Dark | Down | 52.8 | 202.7 | Up | 08:04:03 - 08:34:03 | -2327 |
CPSLO | 08:19:26 | -33.0 | Dark | Down | 53.3 | 192.1 | Up | 08:04:26 - 08:34:26 | -2342 |
Blythe | 08:19:03 | -33.9 | Dark | Down | 53.4 | 202.5 | Up | 08:04:03 - 08:34:03 | -2378 |
Idyllwild | 08:19:10 | -34.1 | Dark | Down | 53.9 | 199.1 | Up | 08:04:10 - 08:34:10 | -2405 |
Wildwood | 08:19:17 | -34.0 | Dark | Down | 54.0 | 195.9 | Up | 08:04:17 - 08:34:17 | -2409 |
Calipatria | 08:19:05 | -34.5 | Dark | Down | 54.1 | 201.3 | Up | 08:04:05 - 08:34:05 | -2438 |
Yuma | 08:19:02 | -34.8 | Dark | Down | 54.3 | 202.9 | Up | 08:04:02 - 08:34:02 | -2459 |
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 15KH162, (2025/05/28 08:19UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.94 165 1Del Oph 16:14:20.7 -03:41:43 2.7 2.92 149 PPM 199363 16:09:50.5 -03:28:00 5.0 2.73 148 PPM 179746 16:13:11.2 -00:31:09 8.2 0.35 146 PPM 179736 16:11:37.7 -00:50:02 9.9 0.20 146 PPM 179745 16:12:59.3 -00:53:21 10.3 0.16 146 15KH162 16:12:26.0 -00:48:43 14.2 146 Positions are for J2000
Event circumstances last updated at 2021/03/07 01:03:52 UT
Marc W. Buie, Southwest Research Institute