Event between 04VG131 and star GA1200:01469748 with event index number of 2734736
Geocentric closest approach at 2023/12/13 13:34:42 UTC
J2000 position of star is 05:15:02.0 +31:43:37
Equinox of date position of star is 05:16:27.2 +31:45:02
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 36.6 AU from the Sun
and 35.6 AU from the Earth.
The TNO is moving 24.7
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 370 seconds.
The 1-sigma cross-track error in the shadow position is
3004 km.
The sky-plane scale is
25847.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.5
Diameter=121.9 km assuming a 5% albedo -- 4.9 sec chord
Diameter=49.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 04VG131, (2023/12/13 13:35UT) Object RA Dec mag sep mel Aldebaran 04:37:17.9 +16:33:20 0.8 17.62 158 Alnath 05:27:48.5 +28:37:32 1.6 3.96 174 14 Aur 05:16:58.1 +32:42:47 5.2 0.96 170 PPM 070082 05:16:12.2 +31:25:38 7.8 0.34 171 PPM 070091 05:16:35.1 +31:45:44 8.8 0.01 171 04VG131 05:16:35.1 +31:45:09 15.8 171 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
2.4 sigma about the mid-time.
The median site spacing is 18.0 km
RECON observability=0.7 and success probability=9.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:31:58 | -13.1 | AT | Down | 18.8 | 297.9 | Really Low | 13:16:58 - 13:46:58 | -919 |
| Kamloops | 13:31:53 | -21.4 | Dark | Down | 26.5 | 288.6 | Low | 13:16:53 - 13:46:53 | -1533 |
| Kelowna | 13:31:50 | -20.6 | Dark | Down | 25.7 | 289.6 | Low | 13:16:50 - 13:46:50 | -1555 |
| Peachland | 13:31:50 | -20.8 | Dark | Down | 25.8 | 289.4 | Low | 13:16:50 - 13:46:50 | -1573 |
| Summerland | 13:31:49 | -20.7 | Dark | Down | 25.7 | 289.5 | Low | 13:16:49 - 13:46:49 | -1580 |
| Penticton | 13:31:49 | -20.6 | Dark | Down | 25.6 | 289.6 | Low | 13:16:49 - 13:46:49 | -1580 |
| Oliver | 13:31:48 | -20.6 | Dark | Down | 25.5 | 289.8 | Low | 13:16:48 - 13:46:48 | -1604 |
| Anarchist Mountain Observatory | 13:31:47 | -20.4 | Dark | Down | 25.3 | 290.0 | Low | 13:16:47 - 13:46:47 | -1608 |
| Dunrhomin | 13:31:23 | -8.2 | NT | Down | 12.5 | 301.2 | Really Low | 13:16:23 - 13:46:23 | -1613 |
| Tonasket | 13:31:46 | -20.4 | Dark | Down | 25.3 | 290.1 | Low | 13:16:46 - 13:46:46 | -1632 |
| Okanogan | 13:31:45 | -20.4 | Dark | Down | 25.3 | 290.1 | Low | 13:16:45 - 13:46:45 | -1662 |
| Brewster | 13:31:44 | -20.5 | Dark | Down | 25.3 | 290.1 | Low | 13:16:44 - 13:46:44 | -1688 |
| Manson/Chelan | 13:31:43 | -20.7 | Dark | Down | 25.5 | 290.0 | Low | 13:16:43 - 13:46:43 | -1717 |
| Wenatchee | 13:31:42 | -20.7 | Dark | Down | 25.4 | 290.1 | Low | 13:16:42 - 13:46:42 | -1757 |
| Pasco | 13:31:38 | -19.7 | Dark | Down | 24.2 | 291.3 | Low | 13:16:38 - 13:46:38 | -1792 |
| Ellensburg | 13:31:41 | -20.8 | Dark | Down | 25.4 | 290.1 | Low | 13:16:41 - 13:46:41 | -1795 |
| Victoria | 13:31:47 | -22.9 | Dark | Down | 27.7 | 287.6 | Low | 13:16:47 - 13:46:47 | -1798 |
| PNWRO | 13:31:37 | -19.4 | Dark | Down | 24.0 | 291.6 | Low | 13:16:37 - 13:46:37 | -1800 |
| Yakima | 13:31:39 | -20.7 | Dark | Down | 25.3 | 290.3 | Low | 13:16:39 - 13:46:39 | -1825 |
| Toppenish/White Swan | 13:31:39 | -20.5 | Dark | Down | 25.1 | 290.5 | Low | 13:16:39 - 13:46:39 | -1834 |
| Goldendale | 13:31:38 | -20.7 | Dark | Down | 25.2 | 290.5 | Low | 13:16:38 - 13:46:38 | -1891 |
| The Dalles | 13:31:37 | -20.9 | Dark | Down | 25.4 | 290.4 | Low | 13:16:37 - 13:46:37 | -1923 |
| Maupin | 13:31:36 | -20.8 | Dark | Down | 25.1 | 290.6 | Low | 13:16:36 - 13:46:36 | -1949 |
| Redmond | 13:31:33 | -20.6 | Dark | Down | 24.9 | 290.9 | Low | 13:16:33 - 13:46:33 | -2020 |
| Sisters | 13:31:33 | -20.9 | Dark | Down | 25.2 | 290.7 | Low | 13:16:33 - 13:46:33 | -2035 |
| Bend | 13:31:32 | -20.7 | Dark | Down | 24.9 | 290.9 | Low | 13:16:32 - 13:46:32 | -2042 |
| Oregon Observatory | 13:31:32 | -20.7 | Dark | Down | 24.9 | 290.9 | Low | 13:16:32 - 13:46:32 | -2060 |
| La Pine/Gilchrist | 13:31:31 | -20.7 | Dark | Down | 24.9 | 291.0 | Low | 13:16:31 - 13:46:31 | -2078 |
| North Lake | 13:31:29 | -20.2 | Dark | Down | 24.3 | 291.5 | Low | 13:16:29 - 13:46:29 | -2086 |
| Paisley | 13:31:28 | -19.8 | Dark | Down | 23.9 | 291.9 | Low | 13:16:28 - 13:46:28 | -2112 |
| Lakeview | 13:31:26 | -19.6 | Dark | Down | 23.6 | 292.3 | Low | 13:16:26 - 13:46:26 | -2143 |
| Chiloquin | 13:31:28 | -20.8 | Dark | Down | 24.8 | 291.3 | Low | 13:16:28 - 13:46:28 | -2178 |
| Cedarville | 13:31:24 | -19.3 | Dark | Down | 23.2 | 292.6 | Low | 13:16:24 - 13:46:24 | -2185 |
| Klamath Falls | 13:31:27 | -20.6 | Dark | Down | 24.6 | 291.5 | Low | 13:16:27 - 13:46:27 | -2201 |
| Fall River/Burney | 13:31:23 | -20.1 | Dark | Down | 23.9 | 292.1 | Low | 13:16:23 - 13:46:23 | -2276 |
| Susanville | 13:31:22 | -19.4 | Dark | Down | 23.1 | 292.8 | Low | 13:16:22 - 13:46:22 | -2293 |
| Tonopah | 13:31:14 | -16.2 | AT | Down | 19.8 | 295.4 | Really Low | 13:16:14 - 13:46:14 | -2322 |
| Reno | 13:31:19 | -18.6 | Dark | Down | 22.2 | 293.6 | Low | 13:16:19 - 13:46:19 | -2324 |
| Gimple | 13:31:21 | -19.5 | Dark | Down | 23.2 | 292.8 | Low | 13:16:21 - 13:46:21 | -2324 |
| Greenville | 13:31:21 | -19.5 | Dark | Down | 23.2 | 292.7 | Low | 13:16:21 - 13:46:21 | -2328 |
| Portola | 13:31:20 | -19.1 | Dark | Down | 22.8 | 293.1 | Low | 13:16:20 - 13:46:20 | -2332 |
| Yerington | 13:31:17 | -17.9 | AT | Down | 21.5 | 294.1 | Low | 13:16:17 - 13:46:17 | -2338 |
| Quincy | 13:31:21 | -19.5 | Dark | Down | 23.2 | 292.8 | Low | 13:16:21 - 13:46:21 | -2344 |
| Hawthorne | 13:31:16 | -17.4 | AT | Down | 21.0 | 294.5 | Low | 13:16:16 - 13:46:16 | -2350 |
| Carson City | 13:31:18 | -18.5 | Dark | Down | 22.0 | 293.7 | Low | 13:16:18 - 13:46:18 | -2351 |
| Indian Springs | 13:31:10 | -14.6 | AT | Down | 18.0 | 296.6 | Really Low | 13:16:10 - 13:46:10 | -2367 |
| Gardnerville | 13:31:17 | -18.4 | Dark | Down | 21.9 | 293.8 | Low | 13:16:17 - 13:46:17 | -2368 |
| Patrick | 13:31:08 | -12.9 | AT | Down | 16.2 | 297.7 | Really Low | 13:16:08 - 13:46:08 | -2373 |
| Henderson | 13:31:09 | -13.9 | AT | Down | 17.3 | 297.0 | Really Low | 13:16:09 - 13:46:09 | -2377 |
| Beatty | 13:31:11 | -15.5 | AT | Down | 18.9 | 296.0 | Really Low | 13:16:11 - 13:46:11 | -2392 |
| Kingman/Dolan Springs | 13:31:07 | -12.9 | AT | Down | 16.2 | 297.7 | Really Low | 13:16:07 - 13:46:07 | -2399 |
| George/Scottsdale | 13:31:04 | -10.7 | NT | Down | 13.9 | 299.1 | Really Low | 13:16:04 - 13:46:04 | -2409 |
| Lee Vining | 13:31:15 | -17.6 | AT | Down | 21.1 | 294.5 | Low | 13:16:15 - 13:46:15 | -2417 |
| Laughlin/Bullhead City | 13:31:07 | -13.3 | AT | Down | 16.6 | 297.5 | Really Low | 13:16:07 - 13:46:07 | -2426 |
| Bishop | 13:31:13 | -16.9 | AT | Down | 20.3 | 295.0 | Low | 13:16:13 - 13:46:13 | -2432 |
| Mohave Valley | 13:31:06 | -13.2 | AT | Down | 16.5 | 297.5 | Really Low | 13:16:06 - 13:46:06 | -2448 |
| Lake Havasu City | 13:31:05 | -12.9 | AT | Down | 16.1 | 297.8 | Really Low | 13:16:05 - 13:46:05 | -2468 |
| Parker | 13:31:04 | -12.8 | AT | Down | 15.9 | 297.9 | Really Low | 13:16:04 - 13:46:04 | -2494 |
| Blythe | 13:31:03 | -12.8 | AT | Down | 15.9 | 297.9 | Really Low | 13:16:03 - 13:46:03 | -2551 |
| Yuma | 13:31:01 | -12.6 | AT | Down | 15.5 | 298.1 | Really Low | 13:16:01 - 13:46:01 | -2628 |
| Calipatria | 13:31:02 | -13.4 | AT | Down | 16.4 | 297.6 | Really Low | 13:16:02 - 13:46:02 | -2637 |
| Idyllwild | 13:31:03 | -14.5 | AT | Down | 17.5 | 296.9 | Really Low | 13:16:03 - 13:46:03 | -2645 |
| CPSLO | 13:31:08 | -18.1 | Dark | Down | 21.1 | 294.7 | Low | 13:16:08 - 13:46:08 | -2706 |
| Wildwood | 13:31:04 | -16.1 | AT | Down | 19.1 | 296.0 | Really Low | 13:16:04 - 13:46:04 | -2707 |
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 04VG131, (2023/12/13 13:35UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 17.62 158 Alnath 05:26:17.6 +28:36:23 1.6 3.96 174 14 Aur 05:15:24.3 +32:41:15 5.2 0.96 170 PPM 070082 05:14:39.4 +31:24:05 7.8 0.34 171 PPM 070091 05:15:02.0 +31:44:12 8.8 0.01 171 04VG131 05:15:02.0 +31:43:37 15.8 171 Positions are for J2000
Event circumstances last updated at 2021/12/02 01:39:59 UT
Marc W. Buie, Southwest Research Institute