Event between (555915) 14GX53 and star GA0780:04950783 with event index number of 2476684
Geocentric closest approach at 2027/04/24 06:37:00 UTC
J2000 position of star is 15:52:28.4 -10:21:32
Equinox of date position of star is 15:53:48.8 -10:25:50
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 21 degrees from the moon.
Moon is 88% illuminated.
Apparent brightness V=20.9
[RECON map]
Object is 35.1 AU from the Sun
and 34.2 AU from the Earth.
Apparent velocity is 21.5
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 76 seconds.
The 1-sigma cross-track error in the shadow position is
1383 km.
The sky-plane scale is
24811.6 km/arcsec.
The object has an absolute magnitude Hv=5.4
Diameter=498.9 km assuming a 5% albedo -- 23.7 sec chord
Diameter=203.7 km assuming a 30% albedo -- 9.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 555915, (2027/04/24 06:37UT) Object RA Dec mag sep mel Antares 16:31:05.2 -26:29:25 0.9 18.29 4 1Del Oph 16:15:46.8 -03:45:45 2.7 8.59 24 50 Lib 16:02:16.3 -08:29:12 5.5 2.83 21 PPM 230842 15:52:28.0 -11:04:17 8.2 0.73 21 PPM 230877 15:53:57.6 -10:27:56 9.3 0.03 21 555915 15:53:58.1 -10:26:19 16.3 21 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
5.0 sigma about the mid-time.
The median site spacing is 19.8 km
RECON observability=0.7 and success probability=55.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:39:41 | -24.9 | Dark | Up | 21.7 | 145.8 | Low | 06:32:54 - 06:46:29 | 220 |
| Kamloops | 06:40:17 | -24.2 | Dark | Down | 16.9 | 131.9 | Really Low | 06:33:29 - 06:47:04 | -187 |
| Kelowna | 06:40:17 | -25.2 | Dark | Down | 17.9 | 132.6 | Really Low | 06:33:29 - 06:47:04 | -227 |
| Peachland | 06:40:17 | -25.2 | Dark | Down | 17.8 | 132.3 | Really Low | 06:33:30 - 06:47:05 | -242 |
| Summerland | 06:40:18 | -25.4 | Dark | Down | 18.0 | 132.3 | Really Low | 06:33:30 - 06:47:05 | -251 |
| Penticton | 06:40:18 | -25.4 | Dark | Down | 18.1 | 132.4 | Really Low | 06:33:30 - 06:47:05 | -253 |
| Oliver | 06:40:18 | -25.8 | Dark | Down | 18.3 | 132.3 | Really Low | 06:33:31 - 06:47:06 | -279 |
| Anarchist Mountain Observatory | 06:40:18 | -26.0 | Dark | Down | 18.5 | 132.4 | Really Low | 06:33:31 - 06:47:06 | -287 |
| Okanogan | 06:40:20 | -26.5 | Dark | Down | 18.9 | 132.1 | Really Low | 06:33:32 - 06:47:07 | -341 |
| Brewster | 06:40:21 | -26.7 | Dark | Down | 18.9 | 131.8 | Really Low | 06:33:33 - 06:47:08 | -366 |
| Manson/Chelan | 06:40:22 | -26.8 | Dark | Down | 18.9 | 131.5 | Really Low | 06:33:34 - 06:47:09 | -390 |
| Victoria | 06:40:27 | -25.4 | Dark | Down | 16.8 | 128.8 | Really Low | 06:33:40 - 06:47:15 | -415 |
| Wenatchee | 06:40:23 | -27.2 | Dark | Down | 19.1 | 131.2 | Really Low | 06:33:36 - 06:47:11 | -431 |
| Ellensburg | 06:40:25 | -27.6 | Dark | Down | 19.3 | 130.9 | Really Low | 06:33:37 - 06:47:12 | -467 |
| Yakima | 06:40:25 | -27.9 | Dark | Down | 19.6 | 130.8 | Really Low | 06:33:38 - 06:47:13 | -499 |
| PNWRO | 06:40:22 | -28.9 | Dark | Down | 20.8 | 132.1 | Low | 06:33:35 - 06:47:10 | -506 |
| Toppenish/White Swan | 06:40:25 | -28.2 | Dark | Down | 19.8 | 130.9 | Really Low | 06:33:38 - 06:47:13 | -513 |
| The Dalles | 06:40:29 | -28.7 | Dark | Down | 19.9 | 130.0 | Really Low | 06:33:41 - 06:47:16 | -593 |
| Dunrhomin | 06:39:52 | -36.8 | Dark | Up | 31.7 | 143.2 | Up | 06:33:05 - 06:46:40 | -614 |
| Maupin | 06:40:29 | -29.1 | Dark | Down | 20.2 | 129.9 | Low | 06:33:42 - 06:47:17 | -623 |
| Nikitin | 06:39:53 | -36.9 | Dark | Up | 31.9 | 143.1 | Up | 06:33:05 - 06:46:40 | -629 |
| CU-SBO | 06:39:53 | -37.0 | Dark | Up | 31.9 | 143.0 | Up | 06:33:06 - 06:46:41 | -636 |
| Sisters | 06:40:32 | -29.8 | Dark | Down | 20.5 | 129.3 | Low | 06:33:44 - 06:47:19 | -706 |
| Bend | 06:40:32 | -30.1 | Dark | Down | 20.8 | 129.4 | Low | 06:33:44 - 06:47:19 | -719 |
| Oregon Observatory | 06:40:32 | -30.2 | Dark | Down | 20.8 | 129.3 | Low | 06:33:45 - 06:47:20 | -736 |
| Chiloquin | 06:40:35 | -31.3 | Dark | Up | 21.4 | 128.5 | Low | 06:33:48 - 06:47:23 | -855 |
| Klamath Falls | 06:40:36 | -31.6 | Dark | Up | 21.7 | 128.5 | Low | 06:33:48 - 06:47:23 | -882 |
| Cedarville | 06:40:33 | -32.7 | Dark | Up | 23.1 | 129.6 | Low | 06:33:45 - 06:47:20 | -899 |
| Fall River/Burney | 06:40:37 | -32.8 | Dark | Up | 22.7 | 128.4 | Low | 06:33:49 - 06:47:24 | -971 |
| Gimple | 06:40:37 | -33.8 | Dark | Up | 23.5 | 128.6 | Low | 06:33:49 - 06:47:24 | -1035 |
| Greenville | 06:40:37 | -33.8 | Dark | Up | 23.5 | 128.5 | Low | 06:33:49 - 06:47:24 | -1037 |
| Portola | 06:40:36 | -34.2 | Dark | Up | 24.0 | 128.8 | Low | 06:33:49 - 06:47:24 | -1053 |
| Quincy | 06:40:38 | -34.0 | Dark | Up | 23.6 | 128.5 | Low | 06:33:50 - 06:47:25 | -1054 |
| Reno | 06:40:35 | -34.7 | Dark | Up | 24.5 | 129.3 | Low | 06:33:47 - 06:47:22 | -1058 |
| Carson City | 06:40:36 | -35.0 | Dark | Up | 24.8 | 129.2 | Low | 06:33:48 - 06:47:23 | -1089 |
| Yerington | 06:40:34 | -35.4 | Dark | Up | 25.3 | 129.6 | Low | 06:33:47 - 06:47:22 | -1089 |
| Gardnerville | 06:40:36 | -35.2 | Dark | Up | 25.0 | 129.1 | Low | 06:33:48 - 06:47:23 | -1109 |
| Hawthorne | 06:40:33 | -36.0 | Dark | Up | 25.9 | 129.9 | Low | 06:33:46 - 06:47:21 | -1115 |
| Lee Vining | 06:40:36 | -36.3 | Dark | Up | 26.0 | 129.3 | Low | 06:33:48 - 06:47:23 | -1177 |
| Beatty | 06:40:30 | -38.0 | Dark | Up | 28.1 | 130.9 | Low | 06:33:43 - 06:47:18 | -1206 |
| Bishop | 06:40:34 | -37.1 | Dark | Up | 26.8 | 129.7 | Low | 06:33:46 - 06:47:21 | -1210 |
| Patrick | 06:40:23 | -40.2 | Dark | Up | 30.8 | 132.9 | Up | 06:33:36 - 06:47:11 | -1257 |
| Laughlin/Bullhead City | 06:40:25 | -40.2 | Dark | Up | 30.5 | 132.1 | Up | 06:33:38 - 06:47:13 | -1299 |
| George/Scottsdale | 06:40:18 | -42.2 | Dark | Up | 33.1 | 133.9 | Up | 06:33:31 - 06:47:06 | -1350 |
| Lake Havasu City | 06:40:26 | -40.9 | Dark | Up | 31.1 | 132.1 | Up | 06:33:38 - 06:47:13 | -1351 |
| Idyllwild | 06:40:33 | -41.0 | Dark | Up | 30.1 | 129.6 | Up | 06:33:46 - 06:47:21 | -1486 |
| Wildwood | 06:40:39 | -40.1 | Dark | Up | 28.7 | 128.2 | Low | 06:33:51 - 06:47:26 | -1508 |
| Calipatria | 06:40:31 | -41.9 | Dark | Up | 31.3 | 130.4 | Up | 06:33:43 - 06:47:18 | -1509 |
| Yuma | 06:40:28 | -42.6 | Dark | Up | 32.1 | 130.9 | Up | 06:33:40 - 06:47:15 | -1522 |
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 555915, (2027/04/24 06:37UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.29 4 1Del Oph 16:14:20.7 -03:41:43 2.7 8.59 24 50 Lib 16:00:47.6 -08:24:41 5.5 2.83 21 PPM 230842 15:50:58.0 -10:59:27 8.2 0.73 21 PPM 230877 15:52:27.9 -10:23:09 9.3 0.03 21 555915 15:52:28.4 -10:21:32 16.3 21 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:27:47 UT
Marc W. Buie, Southwest Research Institute