Event between 13RZ108 and star GA1100:00521150 with event index number of 2674951
Geocentric closest approach at 2028/12/25 04:23:40 UTC
J2000 position of star is 04:06:56.3 +20:39:22
Equinox of date position of star is 04:08:20.2 +20:43:06
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 46 degrees from the moon.
Moon is 62% illuminated.
Apparent brightness V=23.0
[RECON map]
Object is 31.3 AU from the Sun
and 30.4 AU from the Earth.
Apparent velocity is 20.1
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 254 seconds.
The 1-sigma cross-track error in the shadow position is
2519 km.
The sky-plane scale is
22052.7 km/arcsec.
The object has an absolute magnitude Hv=8.0
Diameter=148.6 km assuming a 5% albedo -- 7.6 sec chord
Diameter=60.7 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 5:2EEE
Star training set for 13RZ108, (2028/12/25 04:23UT) Object RA Dec mag sep mel Aldebaran 04:37:35.2 +16:33:56 0.8 8.02 53 44Zet Per 03:55:57.7 +31:58:02 2.8 11.59 45 43Ome1Tau 04:10:51.5 +19:41:01 5.5 1.17 47 PPM 119606 04:07:18.3 +20:01:54 8.4 0.77 46 PPM 093249 04:07:53.9 +20:44:40 9.6 0.17 46 13RZ108 04:08:38.4 +20:43:55 15.9 47 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
3.5 sigma about the mid-time.
The median site spacing is 32.5 km
RECON observability=1.0 and success probability=21.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 04:24:37 | -40.3 | Dark | Up | 55.5 | 142.3 | Up | 04:09:37 - 04:39:37 | -245 |
| Sleaford | 04:23:48 | -48.2 | Dark | Up | 58.0 | 166.7 | Up | 04:08:48 - 04:38:48 | -313 |
| Kelowna | 04:24:36 | -41.0 | Dark | Up | 56.5 | 143.0 | Up | 04:09:36 - 04:39:36 | -333 |
| Peachland | 04:24:37 | -40.9 | Dark | Up | 56.4 | 142.4 | Up | 04:09:37 - 04:39:37 | -338 |
| Summerland | 04:24:37 | -41.0 | Dark | Up | 56.6 | 142.4 | Up | 04:09:37 - 04:39:37 | -354 |
| Penticton | 04:24:37 | -41.0 | Dark | Up | 56.7 | 142.5 | Up | 04:09:37 - 04:39:37 | -362 |
| Victoria | 04:24:51 | -38.8 | Dark | Up | 55.8 | 135.8 | Up | 04:09:51 - 04:39:51 | -387 |
| Oliver | 04:24:37 | -41.1 | Dark | Up | 57.0 | 142.2 | Up | 04:09:37 - 04:39:37 | -394 |
| Anarchist Mountain Observatory | 04:24:37 | -41.3 | Dark | Up | 57.2 | 142.3 | Up | 04:09:37 - 04:39:37 | -413 |
| Okanogan | 04:24:39 | -41.3 | Dark | Up | 57.6 | 141.4 | Up | 04:09:39 - 04:39:39 | -469 |
| Brewster | 04:24:40 | -41.2 | Dark | Up | 57.7 | 140.8 | Up | 04:09:40 - 04:39:40 | -490 |
| Manson/Chelan | 04:24:42 | -41.0 | Dark | Up | 57.7 | 140.0 | Up | 04:09:42 - 04:39:42 | -503 |
| Wenatchee | 04:24:43 | -41.0 | Dark | Up | 58.0 | 139.3 | Up | 04:09:43 - 04:39:43 | -545 |
| Ellensburg | 04:24:45 | -40.9 | Dark | Up | 58.2 | 138.5 | Up | 04:09:45 - 04:39:45 | -579 |
| Yakima | 04:24:46 | -40.9 | Dark | Up | 58.5 | 138.1 | Up | 04:09:46 - 04:39:46 | -617 |
| Toppenish/White Swan | 04:24:46 | -41.1 | Dark | Up | 58.8 | 138.1 | Up | 04:09:46 - 04:39:46 | -641 |
| The Dalles | 04:24:50 | -40.7 | Dark | Up | 59.0 | 136.0 | Up | 04:09:50 - 04:39:50 | -700 |
| PNWRO | 04:24:41 | -42.2 | Dark | Up | 59.7 | 140.1 | Up | 04:09:41 - 04:39:41 | -702 |
| Maupin | 04:24:51 | -40.8 | Dark | Up | 59.3 | 135.7 | Up | 04:09:51 - 04:39:51 | -741 |
| Sisters | 04:24:54 | -40.6 | Dark | Up | 59.7 | 133.9 | Up | 04:09:54 - 04:39:54 | -816 |
| Bend | 04:24:54 | -40.8 | Dark | Up | 60.0 | 134.0 | Up | 04:09:54 - 04:39:54 | -843 |
| Oregon Observatory | 04:24:54 | -40.7 | Dark | Up | 60.1 | 133.6 | Up | 04:09:54 - 04:39:54 | -858 |
| Chiloquin | 04:24:59 | -40.5 | Dark | Up | 60.7 | 131.2 | Up | 04:09:59 - 04:39:59 | -977 |
| Klamath Falls | 04:24:59 | -40.6 | Dark | Up | 61.0 | 130.9 | Up | 04:09:59 - 04:39:59 | -1012 |
| Cedarville | 04:24:54 | -41.8 | Dark | Up | 62.3 | 132.4 | Up | 04:09:54 - 04:39:54 | -1111 |
| Fall River/Burney | 04:25:00 | -41.0 | Dark | Up | 62.0 | 129.8 | Up | 04:10:00 - 04:40:00 | -1135 |
| Greenville | 04:25:00 | -41.4 | Dark | Up | 62.8 | 129.2 | Up | 04:10:00 - 04:40:00 | -1233 |
| Gimple | 04:25:00 | -41.4 | Dark | Up | 62.9 | 129.3 | Up | 04:10:00 - 04:40:00 | -1235 |
| Quincy | 04:25:00 | -41.4 | Dark | Up | 63.0 | 128.9 | Up | 04:10:00 - 04:40:00 | -1253 |
| Portola | 04:24:59 | -41.7 | Dark | Up | 63.3 | 129.5 | Up | 04:09:59 - 04:39:59 | -1275 |
| Reno | 04:24:57 | -42.3 | Dark | Up | 63.9 | 130.1 | Up | 04:09:57 - 04:39:57 | -1315 |
| Carson City | 04:24:57 | -42.3 | Dark | Up | 64.1 | 129.6 | Up | 04:09:57 - 04:39:57 | -1351 |
| Gardnerville | 04:24:57 | -42.3 | Dark | Up | 64.3 | 129.3 | Up | 04:09:57 - 04:39:57 | -1377 |
| Yerington | 04:24:55 | -42.8 | Dark | Up | 64.6 | 130.3 | Up | 04:09:55 - 04:39:55 | -1383 |
| Hawthorne | 04:24:54 | -43.2 | Dark | Up | 65.2 | 130.5 | Up | 04:09:54 - 04:39:54 | -1441 |
| Dunrhomin | 04:23:58 | -53.0 | Dark | Up | 69.6 | 161.8 | Up | 04:08:58 - 04:38:58 | -1484 |
| Lee Vining | 04:24:57 | -42.9 | Dark | Up | 65.3 | 128.7 | Up | 04:09:57 - 04:39:57 | -1488 |
| Nikitin | 04:23:58 | -53.1 | Dark | Up | 69.8 | 161.6 | Up | 04:08:58 - 04:38:58 | -1503 |
| CU-SBO | 04:23:58 | -53.0 | Dark | Up | 69.8 | 161.3 | Up | 04:08:58 - 04:38:58 | -1508 |
| Bishop | 04:24:55 | -43.5 | Dark | Up | 66.1 | 128.9 | Up | 04:09:55 - 04:39:55 | -1563 |
| Beatty | 04:24:50 | -44.8 | Dark | Up | 67.4 | 131.0 | Up | 04:09:50 - 04:39:50 | -1642 |
| Patrick | 04:24:39 | -47.1 | Dark | Up | 70.1 | 133.8 | Up | 04:09:39 - 04:39:39 | -1850 |
| Laughlin/Bullhead City | 04:24:43 | -46.6 | Dark | Up | 69.8 | 131.9 | Up | 04:09:43 - 04:39:43 | -1863 |
| Wildwood | 04:25:01 | -43.3 | Dark | Up | 67.9 | 122.3 | Up | 04:10:01 - 04:40:01 | -1895 |
| Lake Havasu City | 04:24:43 | -46.8 | Dark | Up | 70.4 | 131.0 | Up | 04:09:43 - 04:39:43 | -1937 |
| Idyllwild | 04:24:54 | -44.9 | Dark | Up | 69.4 | 124.8 | Up | 04:09:54 - 04:39:54 | -1970 |
| Calipatria | 04:24:50 | -45.8 | Dark | Up | 70.5 | 125.6 | Up | 04:09:50 - 04:39:50 | -2058 |
| George/Scottsdale | 04:24:33 | -48.8 | Dark | Up | 72.5 | 134.7 | Up | 04:09:33 - 04:39:33 | -2063 |
| Yuma | 04:24:46 | -46.6 | Dark | Up | 71.4 | 126.3 | Up | 04:09:46 - 04:39:46 | -2120 |
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 13RZ108, (2028/12/25 04:23UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 8.02 53 44Zet Per 03:54:07.9 +31:53:01 2.8 11.59 45 43Ome1Tau 04:09:10.1 +19:36:32 5.5 1.17 47 PPM 119606 04:05:36.8 +19:57:18 8.4 0.77 46 PPM 093249 04:06:11.8 +20:40:05 9.6 0.17 46 13RZ108 04:06:56.3 +20:39:22 15.9 46 Positions are for J2000
Event circumstances last updated at 2023/10/28 01:05:29 UT
Marc W. Buie, Southwest Research Institute