Event between 13TT187 and star GA0900:00263293 with event index number of 2676378
Geocentric closest approach at 2027/10/24 06:38:23 UTC
J2000 position of star is 03:08:26.7 +00:49:58
Equinox of date position of star is 03:09:37.8 +00:55:10
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 96 degrees from the moon.
Moon is 33% illuminated.
Apparent brightness V=23.3
[RECON map]
Object is 40.6 AU from the Sun
and 39.7 AU from the Earth.
Apparent velocity is 24.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 273 seconds.
The 1-sigma cross-track error in the shadow position is
2541 km.
The sky-plane scale is
28777.8 km/arcsec.
The object has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 9.0 sec chord
Diameter=90.6 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 13TT187, (2027/10/24 06:38UT) Object RA Dec mag sep mel Aldebaran 04:37:31.2 +16:33:47 0.8 26.64 71 Menkar 03:03:44.2 +04:11:50 2.5 3.60 96 94 Cet 03:14:11.7 -01:05:37 5.1 2.30 95 PPM 146258 03:09:06.1 +01:30:41 8.2 0.61 96 PPM 146262 03:09:09.6 +00:57:58 9.2 0.18 96 13TT187 03:09:52.7 +00:56:16 13.8 95 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
3.3 sigma about the mid-time.
The median site spacing is 20.3 km
RECON observability=1.0 and success probability=14.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 06:38:35 | -48.7 | Dark | Down | 31.9 | 137.0 | Up | 06:23:35 - 06:53:35 | 663 |
| Victoria | 06:38:48 | -49.7 | Dark | Down | 32.0 | 132.9 | Up | 06:23:48 - 06:53:48 | 631 |
| Peachland | 06:38:36 | -49.7 | Dark | Down | 32.8 | 137.3 | Up | 06:23:36 - 06:53:36 | 605 |
| Kelowna | 06:38:35 | -49.6 | Dark | Down | 32.8 | 137.6 | Up | 06:23:35 - 06:53:35 | 604 |
| Summerland | 06:38:36 | -49.8 | Dark | Down | 33.0 | 137.3 | Up | 06:23:36 - 06:53:36 | 596 |
| Penticton | 06:38:36 | -49.9 | Dark | Down | 33.1 | 137.4 | Up | 06:23:36 - 06:53:36 | 590 |
| Oliver | 06:38:37 | -50.2 | Dark | Down | 33.3 | 137.2 | Up | 06:23:37 - 06:53:37 | 573 |
| Anarchist Mountain Observatory | 06:38:37 | -50.5 | Dark | Down | 33.5 | 137.4 | Up | 06:23:37 - 06:53:37 | 560 |
| Okanogan | 06:38:40 | -51.0 | Dark | Down | 33.9 | 136.9 | Up | 06:23:40 - 06:53:40 | 532 |
| Brewster | 06:38:41 | -51.2 | Dark | Down | 34.0 | 136.5 | Up | 06:23:41 - 06:53:41 | 524 |
| Manson/Chelan | 06:38:42 | -51.2 | Dark | Down | 34.0 | 136.0 | Up | 06:23:42 - 06:53:42 | 522 |
| Wenatchee | 06:38:44 | -51.6 | Dark | Down | 34.3 | 135.6 | Up | 06:23:44 - 06:53:44 | 502 |
| Ellensburg | 06:38:46 | -51.9 | Dark | Down | 34.4 | 135.2 | Up | 06:23:46 - 06:53:46 | 486 |
| Yakima | 06:38:47 | -52.3 | Dark | Down | 34.7 | 135.0 | Up | 06:23:47 - 06:53:47 | 464 |
| Toppenish/White Swan | 06:38:47 | -52.5 | Dark | Down | 35.0 | 135.1 | Up | 06:23:47 - 06:53:47 | 449 |
| The Dalles | 06:38:52 | -53.0 | Dark | Down | 35.1 | 133.9 | Up | 06:23:52 - 06:53:52 | 426 |
| Maupin | 06:38:53 | -53.4 | Dark | Down | 35.5 | 133.8 | Up | 06:23:53 - 06:53:53 | 401 |
| PNWRO | 06:38:45 | -53.3 | Dark | Down | 36.0 | 136.5 | Up | 06:23:45 - 06:53:45 | 391 |
| Sleaford | 06:37:58 | -49.6 | Dark | Down | 35.8 | 153.7 | Up | 06:22:58 - 06:52:58 | 383 |
| Sisters | 06:38:56 | -53.9 | Dark | Down | 35.8 | 132.8 | Up | 06:23:56 - 06:53:56 | 365 |
| Bend | 06:38:57 | -54.2 | Dark | Down | 36.1 | 133.0 | Up | 06:23:57 - 06:53:57 | 345 |
| Oregon Observatory | 06:38:57 | -54.3 | Dark | Down | 36.2 | 132.7 | Up | 06:23:57 - 06:53:57 | 339 |
| Chiloquin | 06:39:02 | -55.3 | Dark | Down | 36.9 | 131.6 | Up | 06:24:02 - 06:54:02 | 274 |
| Klamath Falls | 06:39:03 | -55.6 | Dark | Down | 37.1 | 131.5 | Up | 06:24:03 - 06:54:03 | 251 |
| Fall River/Burney | 06:39:06 | -56.8 | Dark | Down | 38.1 | 131.2 | Up | 06:24:06 - 06:54:06 | 170 |
| Cedarville | 06:39:01 | -56.9 | Dark | Down | 38.5 | 132.8 | Up | 06:24:01 - 06:54:01 | 166 |
| Greenville | 06:39:07 | -57.7 | Dark | Down | 39.0 | 131.1 | Up | 06:24:07 - 06:54:07 | 101 |
| Gimple | 06:39:07 | -57.8 | Dark | Down | 39.0 | 131.2 | Up | 06:24:07 - 06:54:07 | 99 |
| Quincy | 06:39:08 | -57.9 | Dark | Down | 39.1 | 131.0 | Up | 06:24:08 - 06:54:08 | 89 |
| Portola | 06:39:07 | -58.2 | Dark | Down | 39.5 | 131.4 | Up | 06:24:07 - 06:54:07 | 68 |
| Reno | 06:39:06 | -58.7 | Dark | Down | 40.0 | 132.0 | Up | 06:24:06 - 06:54:06 | 33 |
| Carson City | 06:39:07 | -59.0 | Dark | Down | 40.3 | 131.8 | Up | 06:24:07 - 06:54:07 | 9 |
| Gardnerville | 06:39:08 | -59.2 | Dark | Down | 40.5 | 131.7 | Up | 06:24:08 - 06:54:08 | -8 |
| Yerington | 06:39:06 | -59.4 | Dark | Down | 40.8 | 132.3 | Up | 06:24:06 - 06:54:06 | -22 |
| Hawthorne | 06:39:06 | -60.1 | Dark | Down | 41.4 | 132.6 | Up | 06:24:06 - 06:54:06 | -67 |
| Lee Vining | 06:39:09 | -60.3 | Dark | Down | 41.5 | 131.7 | Up | 06:24:09 - 06:54:09 | -90 |
| Bishop | 06:39:08 | -61.2 | Dark | Down | 42.3 | 132.1 | Up | 06:24:08 - 06:54:08 | -152 |
| Beatty | 06:39:05 | -62.2 | Dark | Down | 43.6 | 133.6 | Up | 06:24:05 - 06:54:05 | -232 |
| Dunrhomin | 06:38:23 | -61.4 | Dark | Down | 46.5 | 149.8 | Up | 06:23:23 - 06:53:23 | -357 |
| Nikitin | 06:38:24 | -61.6 | Dark | Down | 46.7 | 149.7 | Up | 06:23:24 - 06:53:24 | -369 |
| CU-SBO | 06:38:24 | -61.6 | Dark | Down | 46.7 | 149.6 | Up | 06:23:24 - 06:53:24 | -371 |
| Wildwood | 06:39:18 | -63.8 | Dark | Down | 44.4 | 129.6 | Up | 06:24:18 - 06:54:18 | -375 |
| Laughlin/Bullhead City | 06:39:04 | -64.5 | Dark | Down | 46.1 | 134.9 | Up | 06:24:04 - 06:54:04 | -422 |
| Patrick | 06:39:01 | -64.6 | Dark | Down | 46.3 | 135.9 | Up | 06:24:01 - 06:54:01 | -426 |
| Idyllwild | 06:39:14 | -65.0 | Dark | Down | 45.8 | 131.4 | Up | 06:24:14 - 06:54:14 | -459 |
| Lake Havasu City | 06:39:04 | -65.2 | Dark | Down | 46.7 | 134.7 | Up | 06:24:04 - 06:54:04 | -479 |
| Calipatria | 06:39:12 | -66.0 | Dark | Down | 46.9 | 132.2 | Up | 06:24:12 - 06:54:12 | -542 |
| Yuma | 06:39:10 | -66.7 | Dark | Down | 47.8 | 132.9 | Up | 06:24:10 - 06:54:10 | -603 |
| George/Scottsdale | 06:38:59 | -66.7 | Dark | Down | 48.6 | 137.0 | Up | 06:23:59 - 06:53:59 | -616 |
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 13TT187, (2027/10/24 06:38UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 26.64 71 Menkar 03:02:16.8 +04:05:21 2.5 3.60 96 94 Cet 03:12:46.7 -01:11:47 5.1 2.30 95 PPM 146258 03:07:39.8 +01:24:22 8.2 0.61 96 PPM 146262 03:07:43.6 +00:51:39 9.2 0.18 96 13TT187 03:08:26.7 +00:49:58 13.8 95 Positions are for J2000
Event circumstances last updated at 2022/12/26 03:53:14 UT
Marc W. Buie, Southwest Research Institute