Event between (55576) Amycus and star GA0700:34343712 with event index number of 2573239
Geocentric closest approach at 2027/11/13 03:48:30 UTC
J2000 position of star is 20:47:20.1 -18:55:57
Equinox of date position of star is 20:48:38.2 -18:50:50
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 89 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.7
[RECON map]
TNO is 25.7 AU from the Sun
and 25.8 AU from the Earth.
The TNO is moving 11.5
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 253 seconds.
The 1-sigma cross-track error in the shadow position is
2134 km.
The sky-plane scale is
18742.3 km/arcsec.
The TNO has an absolute magnitude Hv=7.4
Diameter=219.8 km assuming a 5% albedo -- 17.0 sec chord
Diameter=89.7 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CENTAURR
Star training set for 55576, (2027/11/13 03:52UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.9 -29:28:25 1.2 31.43 68 38Zet Sgr 19:04:22.9 -29:50:16 2.7 26.15 115 PPM 237966 20:50:55.2 -17:55:52 6.2 1.02 88 PPM 237896 20:48:03.1 -18:42:19 8.5 0.24 89 55576 20:48:55.2 -18:49:43 16.7 89 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
3.6 sigma about the mid-time.
The median site spacing is 48.9 km
RECON observability=0.4 and success probability=9.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 03:54:26 | -32.5 | Dark | Up | 15.5 | 214.7 | Really Low | 03:39:26 - 04:09:26 | 3767 |
| Kamloops | 03:55:14 | -34.1 | Dark | Up | 12.5 | 217.3 | Really Low | 03:40:14 - 04:10:14 | 3762 |
| Peachland | 03:55:19 | -34.7 | Dark | Up | 13.0 | 217.9 | Really Low | 03:40:19 - 04:10:19 | 3681 |
| Kelowna | 03:55:20 | -34.9 | Dark | Up | 12.8 | 218.2 | Really Low | 03:40:20 - 04:10:20 | 3677 |
| Summerland | 03:55:19 | -34.8 | Dark | Up | 13.1 | 218.0 | Really Low | 03:40:19 - 04:10:19 | 3668 |
| Penticton | 03:55:19 | -34.9 | Dark | Up | 13.1 | 218.1 | Really Low | 03:40:19 - 04:10:19 | 3659 |
| Oliver | 03:55:22 | -35.0 | Dark | Up | 13.4 | 218.2 | Really Low | 03:40:22 - 04:10:22 | 3636 |
| Anarchist Mountain Observatory | 03:55:22 | -35.1 | Dark | Up | 13.4 | 218.4 | Really Low | 03:40:22 - 04:10:22 | 3618 |
| Okanogan | 03:55:23 | -35.2 | Dark | Up | 14.0 | 218.3 | Really Low | 03:40:23 - 04:10:23 | 3583 |
| Manson/Chelan | 03:55:21 | -34.9 | Dark | Up | 14.7 | 217.9 | Really Low | 03:40:21 - 04:10:21 | 3573 |
| Brewster | 03:55:22 | -35.1 | Dark | Up | 14.3 | 218.2 | Really Low | 03:40:22 - 04:10:22 | 3573 |
| Wenatchee | 03:55:24 | -34.9 | Dark | Up | 15.1 | 217.8 | Really Low | 03:40:24 - 04:10:24 | 3548 |
| Ellensburg | 03:55:23 | -34.8 | Dark | Up | 15.5 | 217.7 | Really Low | 03:40:23 - 04:10:23 | 3529 |
| Yakima | 03:55:23 | -34.9 | Dark | Up | 15.8 | 217.7 | Really Low | 03:40:23 - 04:10:23 | 3502 |
| Toppenish/White Swan | 03:55:24 | -35.0 | Dark | Up | 15.9 | 217.9 | Really Low | 03:40:24 - 04:10:24 | 3480 |
| The Dalles | 03:55:23 | -34.6 | Dark | Up | 16.9 | 217.4 | Really Low | 03:40:23 - 04:10:23 | 3458 |
| Maupin | 03:55:23 | -34.8 | Dark | Up | 17.2 | 217.5 | Really Low | 03:40:23 - 04:10:23 | 3425 |
| PNWRO | 03:55:32 | -36.2 | Dark | Up | 15.6 | 219.3 | Really Low | 03:40:32 - 04:10:32 | 3395 |
| Sisters | 03:55:22 | -34.6 | Dark | Up | 18.1 | 217.3 | Really Low | 03:40:22 - 04:10:22 | 3385 |
| Bend | 03:55:26 | -34.8 | Dark | Up | 18.2 | 217.6 | Really Low | 03:40:26 - 04:10:26 | 3357 |
| Sleaford | 03:55:56 | -42.1 | Dark | Up | 5.3 | 229.6 | Really Low | 03:40:56 - 04:10:56 | 3353 |
| Oregon Observatory | 03:55:24 | -34.7 | Dark | Up | 18.4 | 217.5 | Really Low | 03:40:24 - 04:10:24 | 3350 |
| Chiloquin | 03:55:25 | -34.6 | Dark | Up | 19.6 | 217.4 | Really Low | 03:40:25 - 04:10:25 | 3274 |
| Klamath Falls | 03:55:26 | -34.7 | Dark | Up | 19.8 | 217.5 | Really Low | 03:40:26 - 04:10:26 | 3246 |
| Fall River/Burney | 03:55:28 | -35.2 | Dark | Up | 20.6 | 218.1 | Low | 03:40:28 - 04:10:28 | 3144 |
| Cedarville | 03:55:34 | -36.0 | Dark | Up | 19.6 | 219.1 | Really Low | 03:40:34 - 04:10:34 | 3127 |
| Greenville | 03:55:33 | -35.6 | Dark | Up | 21.1 | 218.8 | Low | 03:40:33 - 04:10:33 | 3057 |
| Gimple | 03:55:33 | -35.7 | Dark | Up | 21.0 | 218.8 | Low | 03:40:33 - 04:10:33 | 3053 |
| Quincy | 03:55:34 | -35.6 | Dark | Up | 21.2 | 218.8 | Low | 03:40:34 - 04:10:34 | 3042 |
| Portola | 03:55:35 | -36.0 | Dark | Up | 21.1 | 219.3 | Low | 03:40:35 - 04:10:35 | 3011 |
| Reno | 03:55:39 | -36.6 | Dark | Up | 21.0 | 219.9 | Low | 03:40:39 - 04:10:39 | 2963 |
| Carson City | 03:55:40 | -36.6 | Dark | Up | 21.2 | 220.0 | Low | 03:40:40 - 04:10:40 | 2934 |
| Gardnerville | 03:55:39 | -36.7 | Dark | Up | 21.4 | 220.1 | Low | 03:40:39 - 04:10:39 | 2913 |
| Yerington | 03:55:43 | -37.1 | Dark | Up | 21.0 | 220.6 | Low | 03:40:43 - 04:10:43 | 2891 |
| Hawthorne | 03:55:43 | -37.6 | Dark | Up | 21.1 | 221.2 | Low | 03:40:43 - 04:10:43 | 2831 |
| Lee Vining | 03:55:43 | -37.3 | Dark | Up | 21.8 | 220.9 | Low | 03:40:43 - 04:10:43 | 2810 |
| Bishop | 03:55:49 | -37.9 | Dark | Up | 21.9 | 221.7 | Low | 03:40:49 - 04:10:49 | 2729 |
| Beatty | 03:55:56 | -39.3 | Dark | Up | 21.3 | 223.2 | Low | 03:40:56 - 04:10:56 | 2618 |
| Wildwood | 03:55:50 | -38.0 | Dark | Up | 24.4 | 222.5 | Low | 03:40:50 - 04:10:50 | 2475 |
| Dunrhomin | 03:56:35 | -47.5 | Dark | Up | 12.3 | 231.7 | Really Low | 03:41:35 - 04:11:35 | 2390 |
| Laughlin/Bullhead City | 03:56:06 | -41.3 | Dark | Up | 21.3 | 225.5 | Low | 03:41:06 - 04:11:06 | 2375 |
| CU-SBO | 03:56:35 | -47.5 | Dark | Up | 12.5 | 231.7 | Really Low | 03:41:35 - 04:11:35 | 2373 |
| Patrick | 03:56:11 | -41.9 | Dark | Up | 20.7 | 226.0 | Low | 03:41:11 - 04:11:11 | 2363 |
| Idyllwild | 03:55:57 | -39.7 | Dark | Up | 23.6 | 224.2 | Low | 03:40:57 - 04:10:57 | 2357 |
| Lake Havasu City | 03:56:09 | -41.6 | Dark | Up | 21.6 | 225.9 | Low | 03:41:09 - 04:11:09 | 2307 |
| Calipatria | 03:56:05 | -40.7 | Dark | Up | 23.3 | 225.4 | Low | 03:41:05 - 04:11:05 | 2248 |
| Yuma | 03:56:08 | -41.5 | Dark | Up | 23.0 | 226.2 | Low | 03:41:08 - 04:11:08 | 2169 |
| George/Scottsdale | 03:56:21 | -43.8 | Dark | Up | 20.6 | 228.1 | Low | 03:41:21 - 04:11:21 | 2126 |
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 55576, (2027/11/13 03:52UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.43 68 38Zet Sgr 19:02:36.7 -29:52:49 2.7 26.15 115 PPM 237966 20:49:20.6 -18:02:10 6.2 1.02 88 PPM 237896 20:46:28.0 -18:48:32 8.5 0.24 89 55576 20:47:20.1 -18:55:57 16.7 89 Positions are for J2000
Event circumstances last updated at 2022/11/24 03:02:58 UT
Marc W. Buie, Southwest Research Institute