Event between (281371) 08FC76 and star GA0760:04111416 with event index number of 2458250
Geocentric closest approach at 2027/02/07 09:18:21 UTC
J2000 position of star is 09:06:59.3 -13:08:09
Equinox of date position of star is 09:08:08.9 -13:14:05
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.5
[RECON map]
Object is 15.5 AU from the Sun
and 14.6 AU from the Earth.
Apparent velocity is 23.1
km/sec on the sky relative to the star, or,
7.9 arcsec/hr.
The 1-sigma error in the time of the event is 46 seconds.
The 1-sigma cross-track error in the shadow position is
704 km.
The sky-plane scale is
10593.5 km/arcsec.
The object has an absolute magnitude Hv=9.5
Diameter=83.2 km assuming a 5% albedo -- 3.3 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 281371, (2027/02/07 09:15UT) Object RA Dec mag sep mel Regulus 10:09:48.8 +11:50:01 1.3 29.36 176 Alphard 09:28:55.2 -08:46:39 2.0 6.75 158 PPM 221134 09:10:29.5 -12:28:08 5.8 0.95 153 PPM 221077 09:08:32.2 -13:25:03 7.5 0.18 152 281371 09:08:16.9 -13:14:46 14.9 152 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 15.5 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:17:48 | -46.2 | Dark | Down | 18.5 | 215.1 | Really Low | 09:13:28 - 09:22:09 | 6740 |
| Kamloops | 09:18:23 | -52.5 | Dark | Down | 23.9 | 201.1 | Low | 09:14:02 - 09:22:43 | 6569 |
| Kelowna | 09:18:19 | -52.9 | Dark | Down | 24.4 | 202.2 | Low | 09:13:59 - 09:22:40 | 6544 |
| Peachland | 09:18:20 | -53.1 | Dark | Down | 24.6 | 201.9 | Low | 09:13:59 - 09:22:40 | 6536 |
| Summerland | 09:18:20 | -53.2 | Dark | Down | 24.7 | 202.0 | Low | 09:13:59 - 09:22:40 | 6531 |
| Penticton | 09:18:19 | -53.2 | Dark | Down | 24.8 | 202.1 | Low | 09:13:58 - 09:22:39 | 6529 |
| Oliver | 09:18:18 | -53.6 | Dark | Down | 25.1 | 202.2 | Low | 09:13:58 - 09:22:39 | 6513 |
| Anarchist Mountain Observatory | 09:18:17 | -53.7 | Dark | Down | 25.2 | 202.4 | Low | 09:13:57 - 09:22:38 | 6508 |
| Okanogan | 09:18:17 | -54.3 | Dark | Down | 25.9 | 202.3 | Low | 09:13:57 - 09:22:38 | 6476 |
| Brewster | 09:18:17 | -54.6 | Dark | Down | 26.2 | 202.1 | Low | 09:13:56 - 09:22:37 | 6462 |
| Manson/Chelan | 09:18:18 | -54.9 | Dark | Down | 26.4 | 201.8 | Low | 09:13:57 - 09:22:38 | 6448 |
| Victoria | 09:18:28 | -55.2 | Dark | Down | 26.6 | 198.3 | Low | 09:14:08 - 09:22:49 | 6439 |
| Wenatchee | 09:18:17 | -55.4 | Dark | Down | 26.9 | 201.7 | Low | 09:13:57 - 09:22:38 | 6424 |
| Ellensburg | 09:18:17 | -55.8 | Dark | Down | 27.4 | 201.5 | Low | 09:13:57 - 09:22:38 | 6401 |
| Yakima | 09:18:17 | -56.2 | Dark | Down | 27.8 | 201.6 | Low | 09:13:56 - 09:22:37 | 6381 |
| Toppenish/White Swan | 09:18:16 | -56.3 | Dark | Down | 27.9 | 201.8 | Low | 09:13:55 - 09:22:36 | 6373 |
| PNWRO | 09:18:11 | -56.1 | Dark | Down | 27.9 | 203.4 | Low | 09:13:50 - 09:22:31 | 6372 |
| The Dalles | 09:18:17 | -57.3 | Dark | Down | 28.8 | 201.1 | Low | 09:13:56 - 09:22:37 | 6324 |
| Maupin | 09:18:15 | -57.6 | Dark | Down | 29.2 | 201.3 | Low | 09:13:55 - 09:22:36 | 6304 |
| Sisters | 09:18:16 | -58.5 | Dark | Down | 30.1 | 201.0 | Up | 09:13:55 - 09:22:36 | 6253 |
| Bend | 09:18:15 | -58.7 | Dark | Down | 30.3 | 201.3 | Up | 09:13:54 - 09:22:35 | 6244 |
| Oregon Observatory | 09:18:15 | -58.9 | Dark | Down | 30.5 | 201.2 | Up | 09:13:55 - 09:22:36 | 6233 |
| Dunrhomin | 09:17:17 | -53.5 | Dark | Down | 27.7 | 218.7 | Low | 09:12:56 - 09:21:37 | 6189 |
| Nikitin | 09:17:16 | -53.6 | Dark | Down | 27.8 | 218.8 | Low | 09:12:56 - 09:21:37 | 6178 |
| CU-SBO | 09:17:16 | -53.7 | Dark | Down | 27.9 | 218.7 | Low | 09:12:56 - 09:21:37 | 6174 |
| Chiloquin | 09:18:14 | -60.2 | Dark | Down | 31.8 | 201.0 | Up | 09:13:54 - 09:22:35 | 6155 |
| Klamath Falls | 09:18:13 | -60.4 | Dark | Down | 32.1 | 201.2 | Up | 09:13:53 - 09:22:34 | 6137 |
| Cedarville | 09:18:07 | -60.4 | Dark | Down | 32.3 | 203.1 | Up | 09:13:46 - 09:22:27 | 6118 |
| Fall River/Burney | 09:18:10 | -61.3 | Dark | Down | 33.1 | 201.9 | Up | 09:13:50 - 09:22:31 | 6074 |
| Gimple | 09:18:07 | -61.9 | Dark | Down | 33.8 | 202.7 | Up | 09:13:47 - 09:22:28 | 6028 |
| Greenville | 09:18:07 | -61.9 | Dark | Down | 33.8 | 202.6 | Up | 09:13:47 - 09:22:28 | 6027 |
| Quincy | 09:18:07 | -62.1 | Dark | Down | 34.0 | 202.6 | Up | 09:13:47 - 09:22:28 | 6015 |
| Portola | 09:18:05 | -62.0 | Dark | Down | 34.0 | 203.2 | Up | 09:13:45 - 09:22:26 | 6014 |
| Reno | 09:18:02 | -62.0 | Dark | Down | 34.1 | 204.0 | Up | 09:13:42 - 09:22:23 | 6006 |
| Carson City | 09:18:02 | -62.2 | Dark | Down | 34.4 | 204.1 | Up | 09:13:41 - 09:22:22 | 5985 |
| Yerington | 09:17:59 | -62.1 | Dark | Down | 34.4 | 204.8 | Up | 09:13:39 - 09:22:20 | 5981 |
| Gardnerville | 09:18:01 | -62.4 | Dark | Down | 34.6 | 204.2 | Up | 09:13:41 - 09:22:22 | 5971 |
| Hawthorne | 09:17:56 | -62.2 | Dark | Down | 34.6 | 205.6 | Up | 09:13:36 - 09:22:17 | 5959 |
| Lee Vining | 09:17:58 | -62.9 | Dark | Down | 35.3 | 205.2 | Up | 09:13:37 - 09:22:18 | 5918 |
| Bishop | 09:17:53 | -63.0 | Dark | Down | 35.6 | 206.2 | Up | 09:13:33 - 09:22:14 | 5889 |
| Beatty | 09:17:48 | -62.5 | Dark | Down | 35.4 | 208.1 | Up | 09:13:27 - 09:22:08 | 5880 |
| Patrick | 09:17:35 | -61.9 | Dark | Down | 35.5 | 211.7 | Up | 09:13:14 - 09:21:55 | 5816 |
| Laughlin/Bullhead City | 09:17:37 | -62.5 | Dark | Down | 36.1 | 211.1 | Up | 09:13:16 - 09:21:57 | 5791 |
| Lake Havasu City | 09:17:34 | -62.7 | Dark | Down | 36.5 | 211.6 | Up | 09:13:14 - 09:21:55 | 5749 |
| George/Scottsdale | 09:17:24 | -61.6 | Dark | Down | 36.1 | 214.5 | Up | 09:13:04 - 09:21:45 | 5723 |
| Idyllwild | 09:17:41 | -64.7 | Dark | Down | 38.2 | 209.3 | Up | 09:13:21 - 09:22:02 | 5670 |
| Wildwood | 09:17:49 | -65.6 | Dark | Down | 38.6 | 207.0 | Up | 09:13:28 - 09:22:09 | 5670 |
| Calipatria | 09:17:36 | -64.4 | Dark | Down | 38.2 | 210.8 | Up | 09:13:16 - 09:21:57 | 5641 |
| Yuma | 09:17:32 | -64.1 | Dark | Down | 38.2 | 211.9 | Up | 09:13:11 - 09:21:52 | 5622 |
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 281371, (2027/02/07 09:15UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 29.36 176 Alphard 09:27:35.2 -08:39:30 2.0 6.75 158 PPM 221134 09:09:11.5 -12:21:28 5.8 0.95 153 PPM 221077 09:07:14.8 -13:18:25 7.5 0.18 152 281371 09:06:59.3 -13:08:09 14.9 152 Positions are for J2000
Event circumstances last updated at 2024/04/21 03:20:14 UT
Marc W. Buie, Southwest Research Institute