Event between 15RT245 and star GA0980:00114379 with event index number of 1990877
Geocentric closest approach at 2027/10/27 10:50:50 UTC
J2000 position of star is 01:18:25.5 +09:06:13
Equinox of date position of star is 01:19:37.6 +09:13:25
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 164 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 42.7 AU from the Sun
and 41.8 AU from the Earth.
The TNO is moving 24.6
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 264 seconds.
The 1-sigma cross-track error in the shadow position is
4816 km.
The sky-plane scale is
30283.2 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 11.7 sec chord
Diameter=117.2 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 15RT245, (2027/10/27 10:52UT) Object RA Dec mag sep mel 6Bet Ari 01:56:10.9 +20:56:35 2.6 14.60 152 PPM 144653 01:30:30.4 +07:26:13 6.4 3.19 162 PPM 144479 01:20:55.8 +08:32:31 8.5 0.75 164 PPM 144448 01:18:42.3 +09:02:03 9.8 0.36 165 PPM 144463 01:19:40.8 +09:04:24 10.5 0.18 164 15RT245 01:19:53.1 +09:14:58 13.2 164 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
3.4 sigma about the mid-time.
The median site spacing is 38.4 km
RECON observability=0.9 and success probability=4.3%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Sleaford | 10:47:17 | -28.3 | Dark | Down | 18.3 | 261.2 | Really Low | 10:32:17 - 11:02:17 | 10546 |
Kamloops | 10:47:34 | -37.1 | Dark | Down | 27.3 | 249.6 | Low | 10:32:34 - 11:02:34 | 10435 |
Kelowna | 10:47:31 | -37.0 | Dark | Down | 27.0 | 250.7 | Low | 10:32:31 - 11:02:31 | 10350 |
Peachland | 10:47:31 | -37.3 | Dark | Down | 27.3 | 250.5 | Low | 10:32:31 - 11:02:31 | 10341 |
Summerland | 10:47:31 | -37.3 | Dark | Down | 27.3 | 250.7 | Low | 10:32:31 - 11:02:31 | 10325 |
Penticton | 10:47:30 | -37.2 | Dark | Down | 27.2 | 250.8 | Low | 10:32:30 - 11:02:30 | 10318 |
Oliver | 10:47:30 | -37.4 | Dark | Down | 27.3 | 251.0 | Low | 10:32:30 - 11:02:30 | 10283 |
Anarchist Mountain Observatory | 10:47:29 | -37.4 | Dark | Down | 27.3 | 251.2 | Low | 10:32:29 - 11:02:29 | 10265 |
Victoria | 10:47:36 | -39.9 | Dark | Down | 29.9 | 248.0 | Low | 10:32:36 - 11:02:36 | 10241 |
Okanogan | 10:47:29 | -37.8 | Dark | Down | 27.6 | 251.4 | Low | 10:32:29 - 11:02:29 | 10201 |
Brewster | 10:47:29 | -38.0 | Dark | Down | 27.8 | 251.3 | Low | 10:32:29 - 11:02:29 | 10175 |
Manson/Chelan | 10:47:29 | -38.4 | Dark | Down | 28.1 | 251.1 | Low | 10:32:29 - 11:02:29 | 10156 |
Wenatchee | 10:47:29 | -38.7 | Dark | Down | 28.4 | 251.2 | Low | 10:32:29 - 11:02:29 | 10109 |
Ellensburg | 10:47:28 | -39.0 | Dark | Down | 28.7 | 251.2 | Low | 10:32:28 - 11:02:28 | 10069 |
Yakima | 10:47:28 | -39.2 | Dark | Down | 28.8 | 251.4 | Low | 10:32:28 - 11:02:28 | 10027 |
Toppenish/White Swan | 10:47:27 | -39.2 | Dark | Down | 28.8 | 251.7 | Low | 10:32:27 - 11:02:27 | 10004 |
PNWRO | 10:47:24 | -38.4 | Dark | Down | 27.9 | 253.1 | Low | 10:32:24 - 11:02:24 | 9958 |
The Dalles | 10:47:28 | -40.0 | Dark | Down | 29.5 | 251.4 | Low | 10:32:28 - 11:02:28 | 9930 |
Maupin | 10:47:28 | -40.1 | Dark | Down | 29.6 | 251.7 | Low | 10:32:28 - 11:02:28 | 9886 |
Sisters | 10:47:27 | -40.8 | Dark | Down | 30.2 | 251.8 | Up | 10:32:27 - 11:02:27 | 9799 |
Bend | 10:47:27 | -40.8 | Dark | Down | 30.1 | 252.2 | Up | 10:32:27 - 11:02:27 | 9772 |
Oregon Observatory | 10:47:26 | -40.9 | Dark | Down | 30.2 | 252.1 | Up | 10:32:26 - 11:02:26 | 9755 |
Chiloquin | 10:47:26 | -41.8 | Dark | Down | 30.9 | 252.5 | Up | 10:32:26 - 11:02:26 | 9621 |
Klamath Falls | 10:47:25 | -41.9 | Dark | Down | 31.0 | 252.8 | Up | 10:32:25 - 11:02:25 | 9585 |
Cedarville | 10:47:21 | -41.0 | Dark | Down | 30.0 | 254.5 | Up | 10:32:21 - 11:02:21 | 9501 |
Fall River/Burney | 10:47:23 | -42.1 | Dark | Down | 31.1 | 253.8 | Up | 10:32:23 - 11:02:23 | 9458 |
Greenville | 10:47:22 | -42.1 | Dark | Down | 31.0 | 254.6 | Up | 10:32:22 - 11:02:22 | 9359 |
Gimple | 10:47:22 | -42.1 | Dark | Down | 30.9 | 254.7 | Up | 10:32:22 - 11:02:22 | 9359 |
Quincy | 10:47:22 | -42.2 | Dark | Down | 31.0 | 254.8 | Up | 10:32:22 - 11:02:22 | 9338 |
Dunrhomin | 10:46:57 | -30.6 | Dark | Down | 19.2 | 265.7 | Really Low | 10:31:57 - 11:01:57 | 9334 |
Portola | 10:47:22 | -41.9 | Dark | Down | 30.7 | 255.2 | Up | 10:32:22 - 11:02:22 | 9321 |
CU-SBO | 10:46:57 | -30.7 | Dark | Down | 19.3 | 265.7 | Really Low | 10:31:57 - 11:01:57 | 9307 |
Reno | 10:47:19 | -41.5 | Dark | Down | 30.3 | 255.8 | Up | 10:32:19 - 11:02:19 | 9289 |
Carson City | 10:47:19 | -41.6 | Dark | Down | 30.4 | 256.1 | Up | 10:32:19 - 11:02:19 | 9250 |
Yerington | 10:47:18 | -41.2 | Dark | Down | 29.9 | 256.6 | Low | 10:32:18 - 11:02:18 | 9226 |
Gardnerville | 10:47:18 | -41.7 | Dark | Down | 30.4 | 256.2 | Up | 10:32:18 - 11:02:18 | 9224 |
Hawthorne | 10:47:16 | -41.0 | Dark | Down | 29.6 | 257.3 | Low | 10:32:16 - 11:02:16 | 9173 |
Lee Vining | 10:47:17 | -41.5 | Dark | Down | 30.1 | 257.2 | Up | 10:32:17 - 11:02:17 | 9115 |
Bishop | 10:47:14 | -41.2 | Dark | Down | 29.7 | 258.1 | Low | 10:32:14 - 11:02:14 | 9047 |
Beatty | 10:47:11 | -40.1 | Dark | Down | 28.5 | 259.5 | Low | 10:32:11 - 11:02:11 | 8988 |
Patrick | 10:47:05 | -38.2 | Dark | Down | 26.5 | 262.1 | Low | 10:32:05 - 11:02:05 | 8816 |
Laughlin/Bullhead City | 10:47:06 | -38.8 | Dark | Down | 27.1 | 261.8 | Low | 10:32:06 - 11:02:06 | 8791 |
Lake Havasu City | 10:47:05 | -38.7 | Dark | Down | 27.0 | 262.3 | Low | 10:32:05 - 11:02:05 | 8717 |
Wildwood | 10:47:13 | -42.3 | Dark | Down | 30.5 | 259.8 | Up | 10:32:13 - 11:02:13 | 8694 |
Idyllwild | 10:47:09 | -40.8 | Dark | Down | 29.0 | 261.2 | Low | 10:32:09 - 11:02:09 | 8645 |
George/Scottsdale | 10:47:00 | -36.9 | Dark | Down | 25.1 | 264.1 | Low | 10:32:00 - 11:02:00 | 8626 |
Calipatria | 10:47:06 | -40.0 | Dark | Down | 28.2 | 262.2 | Low | 10:32:06 - 11:02:06 | 8572 |
Yuma | 10:47:04 | -39.4 | Dark | Down | 27.5 | 263.0 | Low | 10:32:04 - 11:02:04 | 8522 |
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 15RT245, (2027/10/27 10:52UT) Object RA Dec mag sep mel 6Bet Ari 01:54:38.5 +20:48:26 2.6 14.60 152 PPM 144653 01:29:03.1 +07:17:38 6.4 3.19 162 PPM 144479 01:19:28.3 +08:23:48 8.5 0.75 164 PPM 144448 01:17:14.8 +08:53:17 9.8 0.36 165 PPM 144463 01:18:13.3 +08:55:39 10.5 0.18 164 15RT245 01:18:25.5 +09:06:13 13.2 164 Positions are for J2000
Event circumstances last updated at 2022/11/24 02:55:33 UT
Marc W. Buie, Southwest Research Institute