Event between 12WF37 and star GA0920:00493390 with event index number of 2034925
Geocentric closest approach at 2027/10/29 07:57:36 UTC
J2000 position of star is 04:49:21.3 +03:14:51
Equinox of date position of star is 04:50:36.7 +03:17:15
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=22.7
[RECON map]
Object is 28.3 AU from the Sun
and 27.5 AU from the Earth.
Apparent velocity is 19.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 168 seconds.
The 1-sigma cross-track error in the shadow position is
2072 km.
The sky-plane scale is
19940.0 km/arcsec.
The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 7.4 sec chord
Diameter=58.2 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 12WF37, (2027/10/29 07:58UT) Object RA Dec mag sep mel Rigel 05:15:52.6 -08:10:18 0.1 13.06 125 Bellatrix 05:26:37.5 +06:22:21 1.6 9.44 128 8Pi 5Ori 04:55:42.2 +02:29:02 3.7 1.46 134 PPM 148033 04:51:41.2 +03:43:47 7.3 0.49 135 PPM 148013 04:50:43.5 +03:18:58 8.8 0.03 135 12WF37 04:50:48.9 +03:17:38 15.7 135 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 19.3 km
RECON observability=1.0 and success probability=0.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 07:57:45 | -52.7 | Dark | Down | 33.8 | 135.3 | Up | 07:43:18 - 08:12:13 | 8193 |
| Victoria | 07:58:02 | -54.9 | Dark | Down | 33.9 | 131.1 | Up | 07:43:35 - 08:12:30 | 8174 |
| Peachland | 07:57:48 | -53.5 | Dark | Down | 34.8 | 135.5 | Up | 07:43:20 - 08:12:15 | 8134 |
| Kelowna | 07:57:46 | -53.4 | Dark | Down | 34.8 | 135.9 | Up | 07:43:19 - 08:12:14 | 8131 |
| Summerland | 07:57:48 | -53.7 | Dark | Down | 34.9 | 135.5 | Up | 07:43:20 - 08:12:15 | 8124 |
| Penticton | 07:57:48 | -53.7 | Dark | Down | 35.0 | 135.6 | Up | 07:43:20 - 08:12:15 | 8118 |
| Oliver | 07:57:50 | -54.1 | Dark | Down | 35.3 | 135.4 | Up | 07:43:22 - 08:12:17 | 8101 |
| Anarchist Mountain Observatory | 07:57:49 | -54.2 | Dark | Down | 35.5 | 135.6 | Up | 07:43:21 - 08:12:16 | 8088 |
| Okanogan | 07:57:52 | -54.9 | Dark | Down | 35.8 | 135.0 | Up | 07:43:25 - 08:12:20 | 8061 |
| Manson/Chelan | 07:57:57 | -55.4 | Dark | Down | 35.9 | 134.2 | Up | 07:43:29 - 08:12:24 | 8054 |
| Brewster | 07:57:53 | -55.2 | Dark | Down | 35.9 | 134.7 | Up | 07:43:26 - 08:12:21 | 8054 |
| Wenatchee | 07:57:58 | -55.9 | Dark | Down | 36.2 | 133.7 | Up | 07:43:31 - 08:12:26 | 8034 |
| Ellensburg | 07:58:01 | -56.3 | Dark | Down | 36.3 | 133.3 | Up | 07:43:33 - 08:12:28 | 8020 |
| Yakima | 07:58:02 | -56.7 | Dark | Down | 36.6 | 133.1 | Up | 07:43:35 - 08:12:30 | 7999 |
| Toppenish/White Swan | 07:58:03 | -56.9 | Dark | Down | 36.9 | 133.1 | Up | 07:43:35 - 08:12:30 | 7983 |
| The Dalles | 07:58:07 | -57.7 | Dark | Down | 37.0 | 131.9 | Up | 07:43:40 - 08:12:35 | 7965 |
| Maupin | 07:58:09 | -58.2 | Dark | Down | 37.3 | 131.8 | Up | 07:43:42 - 08:12:37 | 7940 |
| PNWRO | 07:58:00 | -57.2 | Dark | Down | 37.9 | 134.6 | Up | 07:43:33 - 08:12:28 | 7920 |
| Sisters | 07:58:13 | -59.1 | Dark | Down | 37.6 | 130.7 | Up | 07:43:46 - 08:12:41 | 7907 |
| Bend | 07:58:14 | -59.3 | Dark | Down | 37.9 | 130.9 | Up | 07:43:47 - 08:12:42 | 7886 |
| Oregon Observatory | 07:58:16 | -59.5 | Dark | Down | 38.0 | 130.7 | Up | 07:43:48 - 08:12:43 | 7880 |
| Sleaford | 07:57:00 | -48.9 | Dark | Down | 38.0 | 152.2 | Up | 07:42:33 - 08:11:28 | 7861 |
| Chiloquin | 07:58:23 | -60.8 | Dark | Down | 38.6 | 129.4 | Up | 07:43:56 - 08:12:51 | 7819 |
| Klamath Falls | 07:58:24 | -61.1 | Dark | Down | 38.9 | 129.3 | Up | 07:43:56 - 08:12:51 | 7796 |
| Fall River/Burney | 07:58:27 | -62.3 | Dark | Down | 39.9 | 129.0 | Up | 07:43:59 - 08:12:54 | 7715 |
| Cedarville | 07:58:22 | -61.7 | Dark | Down | 40.2 | 130.6 | Up | 07:43:55 - 08:12:50 | 7706 |
| Greenville | 07:58:28 | -63.2 | Dark | Down | 40.7 | 128.9 | Up | 07:44:01 - 08:12:56 | 7646 |
| Gimple | 07:58:29 | -63.2 | Dark | Down | 40.8 | 129.0 | Up | 07:44:02 - 08:12:57 | 7643 |
| Quincy | 07:58:30 | -63.4 | Dark | Down | 40.8 | 128.7 | Up | 07:44:02 - 08:12:57 | 7633 |
| Portola | 07:58:29 | -63.4 | Dark | Down | 41.2 | 129.2 | Up | 07:44:02 - 08:12:57 | 7610 |
| Reno | 07:58:28 | -63.6 | Dark | Down | 41.7 | 129.7 | Up | 07:44:01 - 08:12:56 | 7573 |
| Carson City | 07:58:29 | -64.0 | Dark | Down | 42.0 | 129.5 | Up | 07:44:02 - 08:12:57 | 7549 |
| Gardnerville | 07:58:29 | -64.2 | Dark | Down | 42.2 | 129.3 | Up | 07:44:02 - 08:12:57 | 7532 |
| Yerington | 07:58:28 | -64.1 | Dark | Down | 42.5 | 130.0 | Up | 07:44:01 - 08:12:56 | 7516 |
| Hawthorne | 07:58:28 | -64.5 | Dark | Down | 43.1 | 130.3 | Up | 07:44:01 - 08:12:56 | 7469 |
| Lee Vining | 07:58:33 | -65.1 | Dark | Down | 43.2 | 129.3 | Up | 07:44:05 - 08:13:00 | 7449 |
| Bishop | 07:58:31 | -65.6 | Dark | Down | 44.0 | 129.7 | Up | 07:44:04 - 08:12:59 | 7384 |
| Beatty | 07:58:28 | -65.7 | Dark | Down | 45.3 | 131.1 | Up | 07:44:00 - 08:12:55 | 7297 |
| Wildwood | 07:58:46 | -68.8 | Dark | Down | 45.9 | 127.0 | Up | 07:44:19 - 08:13:14 | 7167 |
| Dunrhomin | 07:57:35 | -58.7 | Dark | Down | 48.5 | 147.8 | Up | 07:43:07 - 08:12:02 | 7119 |
| Nikitin | 07:57:36 | -58.9 | Dark | Down | 48.7 | 147.7 | Up | 07:43:08 - 08:12:03 | 7107 |
| CU-SBO | 07:57:37 | -59.0 | Dark | Down | 48.7 | 147.5 | Up | 07:43:10 - 08:12:05 | 7105 |
| Laughlin/Bullhead City | 07:58:26 | -66.7 | Dark | Down | 47.8 | 132.3 | Up | 07:43:58 - 08:12:53 | 7099 |
| Patrick | 07:58:24 | -66.3 | Dark | Down | 48.0 | 133.3 | Up | 07:43:56 - 08:12:51 | 7091 |
| Idyllwild | 07:58:40 | -68.7 | Dark | Down | 47.4 | 128.7 | Up | 07:44:12 - 08:13:07 | 7074 |
| Lake Havasu City | 07:58:29 | -67.3 | Dark | Down | 48.4 | 132.1 | Up | 07:44:02 - 08:12:57 | 7042 |
| Calipatria | 07:58:38 | -68.9 | Dark | Down | 48.5 | 129.5 | Up | 07:44:11 - 08:13:06 | 6986 |
| Yuma | 07:58:36 | -69.0 | Dark | Down | 49.4 | 130.2 | Up | 07:44:09 - 08:13:04 | 6921 |
| George/Scottsdale | 07:58:22 | -67.0 | Dark | Down | 50.4 | 134.4 | Up | 07:43:55 - 08:12:50 | 6894 |
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 12WF37, (2027/10/29 07:58UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 13.06 125 Bellatrix 05:25:07.8 +06:20:58 1.6 9.44 128 8Pi 5Ori 04:54:15.1 +02:26:26 3.7 1.46 134 PPM 148033 04:50:13.3 +03:41:01 7.3 0.49 135 PPM 148013 04:49:15.9 +03:16:10 8.8 0.03 135 12WF37 04:49:21.3 +03:14:51 15.7 135 Positions are for J2000
Event circumstances last updated at 2023/12/14 04:34:30 UT
Marc W. Buie, Southwest Research Institute