Event between (523645) 10VK201 and star GA0820:00403511 with event index number of 2625994
Geocentric closest approach at 2027/12/27 01:37:04 UTC
J2000 position of star is 04:36:43.0 -07:37:03
Equinox of date position of star is 04:37:52.8 -07:34:13
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=21.7
[RECON map]
Object is 48.1 AU from the Sun
and 47.3 AU from the Earth.
Apparent velocity is 23.6
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 165 seconds.
The 1-sigma cross-track error in the shadow position is
1826 km.
The sky-plane scale is
34309.5 km/arcsec.
The object has an absolute magnitude Hv=4.8
Diameter=633.9 km assuming a 5% albedo -- 28.1 sec chord
Diameter=258.8 km assuming a 30% albedo -- 11.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 523645, (2027/12/27 01:42UT) Object RA Dec mag sep mel Rigel 05:15:53.1 -08:10:17 0.1 9.38 145 67Bet Eri 05:09:13.7 -05:03:08 2.8 8.14 147 47 Eri 04:35:32.6 -08:10:29 4.9 0.88 141 PPM 187163 04:40:16.5 -07:20:29 8.4 0.59 143 PPM 187130 04:38:29.2 -07:35:02 9.0 0.10 142 523645 04:38:04.4 -07:33:45 14.8 142 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 0.0 km
RECON observability=0.1 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 | 01:39:50 | -23.5 | Dark | Down | 14.3 | 123.3 | Really Low | 01:25:33 - 01:54:07 | 7644 |
| Kamloops | 01:40:14 | -14.5 | AT | Down | 6.9 | 111.1 | Really Low | 01:25:57 - 01:54:31 | 7358 |
| Kelowna | 01:40:15 | -14.8 | AT | Down | 7.8 | 111.7 | Really Low | 01:25:58 - 01:54:32 | 7306 |
| Peachland | 01:40:16 | -14.6 | AT | Down | 7.6 | 111.4 | Really Low | 01:25:59 - 01:54:33 | 7294 |
| Summerland | 01:40:16 | -14.6 | AT | Down | 7.8 | 111.5 | Really Low | 01:25:59 - 01:54:33 | 7284 |
| Penticton | 01:40:15 | -14.6 | AT | Down | 7.8 | 111.6 | Really Low | 01:25:58 - 01:54:32 | 7280 |
| Oliver | 01:40:17 | -14.5 | AT | Down | 8.0 | 111.5 | Really Low | 01:26:00 - 01:54:34 | 7252 |
| Anarchist Mountain Observatory | 01:40:17 | -14.6 | AT | Down | 8.2 | 111.7 | Really Low | 01:26:00 - 01:54:34 | 7242 |
| Okanogan | 01:40:19 | -14.3 | AT | Down | 8.3 | 111.4 | Really Low | 01:26:02 - 01:54:36 | 7187 |
| Brewster | 01:40:21 | -14.0 | AT | Down | 8.2 | 111.2 | Really Low | 01:26:04 - 01:54:38 | 7163 |
| Victoria | 01:40:22 | -11.9 | NT | Down | 5.8 | 108.5 | Really Low | 01:26:05 - 01:54:39 | 7151 |
| Manson/Chelan | 01:40:21 | -13.7 | AT | Down | 8.1 | 110.9 | Really Low | 01:26:04 - 01:54:38 | 7142 |
| Wenatchee | 01:40:23 | -13.5 | AT | Down | 8.2 | 110.7 | Really Low | 01:26:06 - 01:54:40 | 7101 |
| Ellensburg | 01:40:24 | -13.2 | AT | Down | 8.2 | 110.5 | Really Low | 01:26:07 - 01:54:41 | 7065 |
| Yakima | 01:40:25 | -13.1 | AT | Down | 8.3 | 110.4 | Really Low | 01:26:08 - 01:54:42 | 7031 |
| Toppenish/White Swan | 01:40:26 | -13.1 | AT | Down | 8.5 | 110.5 | Really Low | 01:26:09 - 01:54:43 | 7015 |
| PNWRO | 01:40:25 | -13.9 | AT | Down | 9.6 | 111.6 | Really Low | 01:26:08 - 01:54:42 | 7005 |
| The Dalles | 01:40:29 | -12.3 | AT | Down | 8.2 | 109.8 | Really Low | 01:26:12 - 01:54:46 | 6940 |
| Maupin | 01:40:29 | -12.2 | AT | Down | 8.5 | 109.9 | Really Low | 01:26:12 - 01:54:46 | 6907 |
| Sisters | 01:40:32 | -11.6 | NT | Down | 8.4 | 109.4 | Really Low | 01:26:15 - 01:54:49 | 6826 |
| Bend | 01:40:32 | -11.7 | NT | Down | 8.7 | 109.5 | Really Low | 01:26:15 - 01:54:49 | 6810 |
| Oregon Observatory | 01:40:33 | -11.5 | NT | Down | 8.7 | 109.4 | Really Low | 01:26:16 - 01:54:50 | 6793 |
| Dunrhomin | 01:40:17 | -22.0 | Dark | Down | 21.1 | 120.8 | Low | 01:26:00 - 01:54:34 | 6725 |
| Nikitin | 01:40:17 | -21.9 | Dark | Down | 21.2 | 120.7 | Low | 01:26:00 - 01:54:34 | 6709 |
| CU-SBO | 01:40:16 | -21.9 | Dark | Down | 21.1 | 120.7 | Low | 01:25:59 - 01:54:33 | 6702 |
| Chiloquin | 01:40:37 | -10.8 | NT | Down | 8.8 | 108.9 | Really Low | 01:26:20 - 01:54:54 | 6674 |
| Klamath Falls | 01:40:38 | -10.7 | NT | Down | 9.0 | 108.9 | Really Low | 01:26:21 - 01:54:55 | 6645 |
| Cedarville | 01:40:37 | -11.6 | NT | Down | 10.3 | 110.0 | Really Low | 01:26:20 - 01:54:54 | 6607 |
| Fall River/Burney | 01:40:40 | -10.5 | NT | Down | 9.6 | 109.0 | Really Low | 01:26:23 - 01:54:57 | 6546 |
| Gimple | 01:40:43 | -10.6 | NT | Down | 10.3 | 109.3 | Really Low | 01:26:26 - 01:55:00 | 6473 |
| Greenville | 01:40:42 | -10.5 | NT | Down | 10.3 | 109.2 | Really Low | 01:26:25 - 01:54:59 | 6472 |
| Quincy | 01:40:42 | -10.5 | NT | Down | 10.3 | 109.2 | Really Low | 01:26:25 - 01:54:59 | 6454 |
| Portola | 01:40:42 | -10.7 | NT | Down | 10.7 | 109.5 | Really Low | 01:26:25 - 01:54:59 | 6450 |
| Reno | 01:40:42 | -11.1 | NT | Down | 11.3 | 109.9 | Really Low | 01:26:25 - 01:54:59 | 6435 |
| Carson City | 01:40:43 | -11.0 | NT | Down | 11.4 | 109.8 | Really Low | 01:26:26 - 01:55:00 | 6403 |
| Yerington | 01:40:42 | -11.4 | NT | Down | 12.0 | 110.2 | Really Low | 01:26:25 - 01:54:59 | 6395 |
| Gardnerville | 01:40:43 | -10.9 | NT | Down | 11.5 | 109.8 | Really Low | 01:26:26 - 01:55:00 | 6382 |
| Hawthorne | 01:40:43 | -11.6 | NT | Down | 12.5 | 110.5 | Really Low | 01:26:26 - 01:55:00 | 6361 |
| Lee Vining | 01:40:45 | -11.1 | NT | Down | 12.3 | 110.1 | Really Low | 01:26:28 - 01:55:02 | 6302 |
| Bishop | 01:40:45 | -11.4 | NT | Down | 13.1 | 110.4 | Really Low | 01:26:28 - 01:55:02 | 6258 |
| Beatty | 01:40:43 | -12.4 | AT | Down | 14.5 | 111.4 | Really Low | 01:26:26 - 01:55:00 | 6241 |
| Patrick | 01:40:42 | -14.1 | AT | Down | 17.2 | 113.0 | Really Low | 01:26:25 - 01:54:59 | 6150 |
| Laughlin/Bullhead City | 01:40:43 | -13.5 | AT | Down | 16.8 | 112.4 | Really Low | 01:26:26 - 01:55:00 | 6115 |
| Lake Havasu City | 01:40:44 | -13.5 | AT | Down | 17.2 | 112.4 | Really Low | 01:26:27 - 01:55:01 | 6056 |
| George/Scottsdale | 01:40:42 | -15.2 | AT | Down | 19.4 | 113.8 | Really Low | 01:26:25 - 01:54:59 | 6024 |
| Wildwood | 01:40:51 | -10.1 | NT | Down | 14.1 | 109.6 | Really Low | 01:26:34 - 01:55:08 | 5948 |
| Idyllwild | 01:40:49 | -11.4 | NT | Down | 15.7 | 110.7 | Really Low | 01:26:32 - 01:55:06 | 5945 |
| Calipatria | 01:40:49 | -12.1 | AT | Down | 16.8 | 111.2 | Really Low | 01:26:32 - 01:55:06 | 5906 |
| Yuma | 01:40:47 | -12.7 | AT | Down | 17.7 | 111.7 | Really Low | 01:26:30 - 01:55:04 | 5880 |
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 523645, (2027/12/27 01:42UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 9.38 145 67Bet Eri 05:07:50.8 -05:05:13 2.8 8.14 147 47 Eri 04:34:11.6 -08:13:53 4.9 0.88 141 PPM 187163 04:38:55.0 -07:23:41 8.4 0.59 143 PPM 187130 04:37:07.8 -07:38:19 9.0 0.10 142 523645 04:36:43.0 -07:37:03 14.8 142 Positions are for J2000
Event circumstances last updated at 2023/12/24 04:36:37 UT
Marc W. Buie, Southwest Research Institute