Event between (8405) Asbolus and star GA1300:03467736 with event index number of 1670605
Geocentric closest approach at 2027/02/14 03:16:47 UTC
J2000 position of star is 06:20:48.3 +41:24:39
Equinox of date position of star is 06:22:31.0 +41:23:53
Stellar brightness G=12.4,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 42 degrees from the moon.
Moon is 48% illuminated.
Apparent brightness V=23.6
[RECON map]
Object is 26.4 AU from the Sun
and 25.8 AU from the Earth.
Apparent velocity is 17.1
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 174 seconds.
The 1-sigma cross-track error in the shadow position is
1916 km.
The sky-plane scale is
18739.9 km/arcsec.
The object has an absolute magnitude Hv=9.2
Diameter=91.2 km assuming a 5% albedo -- 5.1 sec chord
Diameter=37.2 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2027/02/14 03:17UT) Object RA Dec mag sep mel Pollux 07:46:58.6 +27:57:30 1.1 21.82 60 34Bet Aur 06:01:31.2 +44:56:50 1.9 5.25 40 38 Aur 06:05:15.3 +42:54:28 6.1 3.57 40 PPM 049024 06:26:35.0 +41:05:20 8.5 0.79 43 PPM 048960 06:21:29.6 +41:04:42 8.7 0.39 42 PPM 048972 06:22:23.0 +41:17:20 11.4 0.13 42 8405 06:22:43.5 +41:23:47 12.4 43 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
5.2 sigma about the mid-time.
The median site spacing is 30.6 km
RECON observability=1.0 and success probability=3.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 03:17:48 | -19.9 | Dark | Up | 72.1 | 112.6 | Up | 03:02:48 - 03:32:48 | 6069 |
| Victoria | 03:18:07 | -18.1 | Dark | Up | 70.9 | 102.5 | Up | 03:03:07 - 03:33:07 | 6016 |
| Peachland | 03:17:51 | -20.4 | Dark | Up | 72.8 | 110.8 | Up | 03:02:51 - 03:32:51 | 5965 |
| Kelowna | 03:17:49 | -20.6 | Dark | Up | 73.0 | 111.6 | Up | 03:02:49 - 03:32:49 | 5962 |
| Summerland | 03:17:50 | -20.5 | Dark | Up | 72.9 | 110.5 | Up | 03:02:50 - 03:32:50 | 5948 |
| Penticton | 03:17:51 | -20.5 | Dark | Up | 73.0 | 110.5 | Up | 03:02:51 - 03:32:51 | 5937 |
| Oliver | 03:17:52 | -20.6 | Dark | Up | 73.2 | 109.4 | Up | 03:02:52 - 03:32:52 | 5907 |
| Anarchist Mountain Observatory | 03:17:52 | -20.7 | Dark | Up | 73.3 | 109.1 | Up | 03:02:52 - 03:32:52 | 5884 |
| Okanogan | 03:17:55 | -20.6 | Dark | Up | 73.4 | 106.8 | Up | 03:02:55 - 03:32:55 | 5837 |
| Brewster | 03:17:57 | -20.5 | Dark | Up | 73.4 | 105.7 | Up | 03:02:57 - 03:32:57 | 5821 |
| Manson/Chelan | 03:17:59 | -20.3 | Dark | Up | 73.2 | 104.5 | Up | 03:02:59 - 03:32:59 | 5819 |
| Wenatchee | 03:18:02 | -20.2 | Dark | Up | 73.2 | 102.8 | Up | 03:03:02 - 03:33:02 | 5785 |
| Ellensburg | 03:18:04 | -20.0 | Dark | Up | 73.1 | 101.2 | Up | 03:03:04 - 03:33:04 | 5759 |
| Yakima | 03:18:05 | -20.0 | Dark | Up | 73.2 | 99.8 | Up | 03:03:05 - 03:33:05 | 5724 |
| Toppenish/White Swan | 03:18:06 | -20.2 | Dark | Up | 73.4 | 99.3 | Up | 03:03:06 - 03:33:06 | 5697 |
| Sleaford | 03:16:54 | -28.4 | Dark | Up | 78.0 | 149.9 | Up | 03:01:54 - 03:31:54 | 5673 |
| The Dalles | 03:18:11 | -19.7 | Dark | Up | 72.9 | 96.0 | Up | 03:03:11 - 03:33:11 | 5665 |
| Maupin | 03:18:13 | -19.7 | Dark | Up | 73.0 | 94.7 | Up | 03:03:13 - 03:33:13 | 5624 |
| PNWRO | 03:18:03 | -21.2 | Dark | Up | 74.4 | 99.7 | Up | 03:03:03 - 03:33:03 | 5599 |
| Sisters | 03:18:19 | -19.4 | Dark | Up | 72.8 | 91.5 | Up | 03:03:19 - 03:33:19 | 5569 |
| Bend | 03:18:18 | -19.6 | Dark | Up | 72.9 | 90.9 | Up | 03:03:18 - 03:33:18 | 5536 |
| Oregon Observatory | 03:18:19 | -19.5 | Dark | Up | 72.9 | 90.3 | Up | 03:03:19 - 03:33:19 | 5527 |
| Chiloquin | 03:18:26 | -19.2 | Dark | Up | 72.5 | 85.8 | Up | 03:03:26 - 03:33:26 | 5431 |
| Klamath Falls | 03:18:27 | -19.3 | Dark | Up | 72.6 | 84.8 | Up | 03:03:27 - 03:33:27 | 5397 |
| Fall River/Burney | 03:18:31 | -19.6 | Dark | Up | 72.7 | 81.2 | Up | 03:03:31 - 03:33:31 | 5274 |
| Cedarville | 03:18:24 | -20.5 | Dark | Up | 73.7 | 83.1 | Up | 03:03:24 - 03:33:24 | 5258 |
| Greenville | 03:18:32 | -19.9 | Dark | Up | 72.9 | 78.4 | Up | 03:03:32 - 03:33:32 | 5172 |
| Gimple | 03:18:32 | -20.0 | Dark | Up | 73.0 | 78.4 | Up | 03:03:32 - 03:33:32 | 5167 |
| Quincy | 03:18:33 | -19.9 | Dark | Up | 72.9 | 77.7 | Up | 03:03:33 - 03:33:33 | 5153 |
| Portola | 03:18:32 | -20.3 | Dark | Up | 73.2 | 77.4 | Up | 03:03:32 - 03:33:32 | 5118 |
| Reno | 03:18:30 | -20.8 | Dark | Up | 73.6 | 76.5 | Up | 03:03:30 - 03:33:30 | 5062 |
| Carson City | 03:18:31 | -20.8 | Dark | Up | 73.5 | 75.4 | Up | 03:03:31 - 03:33:31 | 5029 |
| Gardnerville | 03:18:32 | -20.8 | Dark | Up | 73.5 | 74.6 | Up | 03:03:32 - 03:33:32 | 5004 |
| Yerington | 03:18:30 | -21.3 | Dark | Up | 74.0 | 74.7 | Up | 03:03:30 - 03:33:30 | 4980 |
| Hawthorne | 03:18:29 | -21.7 | Dark | Up | 74.2 | 73.0 | Up | 03:03:29 - 03:33:29 | 4912 |
| Lee Vining | 03:18:34 | -21.3 | Dark | Up | 73.7 | 71.3 | Up | 03:03:34 - 03:33:34 | 4884 |
| Bishop | 03:18:32 | -21.9 | Dark | Up | 74.0 | 69.1 | Up | 03:03:32 - 03:33:32 | 4794 |
| Beatty | 03:18:27 | -23.2 | Dark | Up | 75.1 | 66.8 | Up | 03:03:27 - 03:33:27 | 4670 |
| Wildwood | 03:18:45 | -21.7 | Dark | Up | 72.5 | 59.4 | Up | 03:03:45 - 03:33:45 | 4504 |
| Dunrhomin | 03:17:27 | -31.7 | Dark | Up | 84.5 | 75.5 | Up | 03:02:27 - 03:32:27 | 4486 |
| Nikitin | 03:17:28 | -31.7 | Dark | Up | 84.5 | 73.7 | Up | 03:02:28 - 03:32:28 | 4469 |
| CU-SBO | 03:17:29 | -31.7 | Dark | Up | 84.4 | 73.2 | Up | 03:02:29 - 03:32:29 | 4466 |
| Laughlin/Bullhead City | 03:18:24 | -25.0 | Dark | Up | 75.8 | 59.0 | Up | 03:03:24 - 03:33:24 | 4402 |
| Patrick | 03:18:20 | -25.5 | Dark | Up | 76.4 | 59.1 | Up | 03:03:20 - 03:33:20 | 4391 |
| Idyllwild | 03:18:37 | -23.3 | Dark | Up | 73.6 | 56.7 | Up | 03:03:37 - 03:33:37 | 4374 |
| Lake Havasu City | 03:18:25 | -25.2 | Dark | Up | 75.7 | 56.5 | Up | 03:03:25 - 03:33:25 | 4326 |
| Calipatria | 03:18:35 | -24.3 | Dark | Up | 74.1 | 53.7 | Up | 03:03:35 - 03:33:35 | 4257 |
| Yuma | 03:18:33 | -25.0 | Dark | Up | 74.4 | 51.4 | Up | 03:03:33 - 03:33:33 | 4172 |
| George/Scottsdale | 03:18:16 | -27.2 | Dark | Up | 76.8 | 50.4 | Up | 03:03:16 - 03:33:16 | 4135 |
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 8405, (2027/02/14 03:17UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 21.82 60 34Bet Aur 05:59:31.6 +44:56:51 1.9 5.25 40 38 Aur 06:03:18.2 +42:54:39 6.1 3.57 40 PPM 049024 06:24:40.2 +41:06:21 8.5 0.79 43 PPM 048960 06:19:34.7 +41:05:31 8.7 0.39 42 PPM 048972 06:20:27.9 +41:18:10 11.4 0.13 42 8405 06:20:48.3 +41:24:39 12.4 42 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:57:38 UT
Marc W. Buie, Southwest Research Institute