Event between (449097) 12UT68 and star GA1220:03398814 with event index number of 1317083
Geocentric closest approach at 2024/01/07 06:44:47 UTC
J2000 position of star is 09:15:22.0 +32:59:11
Equinox of date position of star is 09:16:35.7 +32:54:05
Stellar brightness G=14.7,
use SENSEUP=128
Star is 101 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 16.3 AU from the Sun
and 15.4 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
6.5 arcsec/hr.
The 1-sigma error in the time of the event is 221 seconds.
The 1-sigma cross-track error in the shadow position is
3134 km.
The sky-plane scale is
11204.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=75.9 km assuming a 5% albedo -- 3.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2024/01/07 06:45UT) Object RA Dec mag sep mel Pollux 07:46:47.1 +27:57:58 1.1 19.98 119 PPM 074277 09:10:19.2 +33:47:00 6.4 1.63 103 PPM 074384 09:18:45.5 +33:23:55 7.6 0.65 101 PPM 074368 09:17:00.6 +33:00:02 9.9 0.12 101 449097 09:16:49.5 +32:53:08 14.7 101 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
4.1 sigma about the mid-time.
The median site spacing is 24.8 km
RECON observability=1.0 and success probability=14.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 06:48:07 | -58.5 | Dark | Down | 49.9 | 96.1 | Up | 06:33:07 - 07:03:07 | -1689 |
| Kelowna | 06:48:08 | -58.8 | Dark | Down | 49.8 | 95.5 | Up | 06:33:08 - 07:03:08 | -1731 |
| Peachland | 06:48:08 | -58.8 | Dark | Down | 49.7 | 95.1 | Up | 06:33:08 - 07:03:08 | -1742 |
| Summerland | 06:48:08 | -58.9 | Dark | Down | 49.7 | 95.0 | Up | 06:33:08 - 07:03:08 | -1759 |
| Penticton | 06:48:08 | -59.0 | Dark | Down | 49.8 | 95.0 | Up | 06:33:08 - 07:03:08 | -1767 |
| Oliver | 06:48:08 | -59.3 | Dark | Down | 49.8 | 94.6 | Up | 06:33:08 - 07:03:08 | -1805 |
| Anarchist Mountain Observatory | 06:48:08 | -59.5 | Dark | Down | 50.0 | 94.6 | Up | 06:33:08 - 07:03:08 | -1825 |
| Victoria | 06:48:19 | -58.2 | Dark | Down | 47.4 | 90.9 | Up | 06:33:19 - 07:03:19 | -1855 |
| Tonasket | 06:48:08 | -59.8 | Dark | Down | 50.0 | 94.2 | Up | 06:33:08 - 07:03:08 | -1859 |
| Okanogan | 06:48:08 | -60.0 | Dark | Down | 49.9 | 93.6 | Up | 06:33:08 - 07:03:08 | -1895 |
| Brewster | 06:48:09 | -60.1 | Dark | Down | 49.8 | 93.2 | Up | 06:33:09 - 07:03:09 | -1924 |
| Manson/Chelan | 06:48:10 | -60.1 | Dark | Down | 49.5 | 92.6 | Up | 06:33:10 - 07:03:10 | -1946 |
| Entiat | 06:48:11 | -60.3 | Dark | Down | 49.5 | 92.3 | Up | 06:33:11 - 07:03:11 | -1970 |
| Wenatchee | 06:48:11 | -60.4 | Dark | Down | 49.4 | 91.9 | Up | 06:33:11 - 07:03:11 | -1997 |
| Ellensburg | 06:48:12 | -60.6 | Dark | Down | 49.3 | 91.3 | Up | 06:33:12 - 07:03:12 | -2042 |
| Yakima | 06:48:12 | -60.9 | Dark | Down | 49.3 | 90.8 | Up | 06:33:12 - 07:03:12 | -2087 |
| Toppenish/White Swan | 06:48:12 | -61.2 | Dark | Down | 49.4 | 90.7 | Up | 06:33:12 - 07:03:12 | -2111 |
| Pasco | 06:48:09 | -61.8 | Dark | Down | 50.3 | 91.5 | Up | 06:33:09 - 07:03:09 | -2131 |
| PNWRO | 06:48:08 | -62.1 | Dark | Down | 50.5 | 91.3 | Up | 06:33:08 - 07:03:08 | -2159 |
| Goldendale | 06:48:14 | -61.4 | Dark | Down | 49.1 | 89.7 | Up | 06:33:14 - 07:03:14 | -2170 |
| The Dalles | 06:48:14 | -61.4 | Dark | Down | 48.9 | 89.2 | Up | 06:33:14 - 07:03:14 | -2193 |
| Maupin | 06:48:15 | -61.8 | Dark | Down | 48.9 | 88.8 | Up | 06:33:15 - 07:03:15 | -2240 |
| Sisters | 06:48:17 | -62.1 | Dark | Down | 48.6 | 87.5 | Up | 06:33:17 - 07:03:17 | -2334 |
| Redmond | 06:48:15 | -62.4 | Dark | Down | 48.9 | 87.7 | Up | 06:33:15 - 07:03:15 | -2339 |
| Bend | 06:48:16 | -62.4 | Dark | Down | 48.7 | 87.4 | Up | 06:33:16 - 07:03:16 | -2362 |
| Oregon Observatory | 06:48:16 | -62.5 | Dark | Down | 48.6 | 87.1 | Up | 06:33:16 - 07:03:16 | -2381 |
| La Pine/Gilchrist | 06:48:17 | -62.6 | Dark | Down | 48.6 | 86.8 | Up | 06:33:17 - 07:03:17 | -2403 |
| North Lake | 06:48:15 | -63.2 | Dark | Down | 49.0 | 86.7 | Up | 06:33:15 - 07:03:15 | -2455 |
| Paisley | 06:48:14 | -63.8 | Dark | Down | 49.2 | 86.3 | Up | 06:33:14 - 07:03:14 | -2518 |
| Klamath Falls | 06:48:18 | -63.5 | Dark | Down | 48.3 | 85.0 | Up | 06:33:18 - 07:03:18 | -2562 |
| Lakeview | 06:48:14 | -64.3 | Dark | Down | 49.3 | 85.8 | Up | 06:33:14 - 07:03:14 | -2576 |
| Cedarville | 06:48:13 | -64.8 | Dark | Down | 49.4 | 85.2 | Up | 06:33:13 - 07:03:13 | -2649 |
| Fall River/Burney | 06:48:17 | -64.4 | Dark | Down | 48.5 | 83.9 | Up | 06:33:17 - 07:03:17 | -2695 |
| Susanville | 06:48:15 | -65.3 | Dark | Down | 48.9 | 83.6 | Up | 06:33:15 - 07:03:15 | -2770 |
| Niwot | 06:47:23 | -71.9 | Dark | Down | 60.6 | 92.5 | Up | 06:32:23 - 07:02:23 | -2783 |
| SwRI | 06:47:24 | -71.9 | Dark | Down | 60.5 | 92.3 | Up | 06:32:24 - 07:02:24 | -2795 |
| Greenville | 06:48:16 | -65.3 | Dark | Down | 48.7 | 83.2 | Up | 06:33:16 - 07:03:16 | -2798 |
| Gimple | 06:48:16 | -65.3 | Dark | Down | 48.8 | 83.2 | Up | 06:33:16 - 07:03:16 | -2799 |
| Quincy | 06:48:15 | -65.4 | Dark | Down | 48.7 | 82.9 | Up | 06:33:15 - 07:03:15 | -2821 |
| Portola | 06:48:15 | -65.8 | Dark | Down | 49.0 | 83.0 | Up | 06:33:15 - 07:03:15 | -2838 |
| Reno | 06:48:12 | -66.3 | Dark | Down | 49.5 | 83.1 | Up | 06:33:12 - 07:03:12 | -2871 |
| Carson City | 06:48:12 | -66.6 | Dark | Down | 49.4 | 82.7 | Up | 06:33:12 - 07:03:12 | -2911 |
| Yerington | 06:48:11 | -67.1 | Dark | Down | 49.9 | 82.8 | Up | 06:33:11 - 07:03:11 | -2936 |
| Gardnerville | 06:48:12 | -66.8 | Dark | Down | 49.5 | 82.4 | Up | 06:33:12 - 07:03:12 | -2938 |
| Hawthorne | 06:48:09 | -67.7 | Dark | Down | 50.3 | 82.5 | Up | 06:33:09 - 07:03:09 | -2990 |
| Tonopah | 06:48:04 | -68.8 | Dark | Down | 51.3 | 82.6 | Up | 06:33:04 - 07:03:04 | -3047 |
| Lee Vining | 06:48:10 | -67.8 | Dark | Down | 49.8 | 81.6 | Up | 06:33:10 - 07:03:10 | -3050 |
| Bishop | 06:48:08 | -68.6 | Dark | Down | 50.3 | 81.2 | Up | 06:33:08 - 07:03:08 | -3119 |
| Beatty | 06:48:02 | -69.8 | Dark | Down | 51.5 | 81.4 | Up | 06:33:02 - 07:03:02 | -3176 |
| Indian Springs | 06:47:59 | -70.7 | Dark | Down | 52.3 | 81.4 | Up | 06:32:59 - 07:02:59 | -3214 |
| Henderson | 06:47:56 | -71.5 | Dark | Down | 52.7 | 81.0 | Up | 06:32:56 - 07:02:56 | -3274 |
| CPSLO | 06:48:15 | -68.3 | Dark | Down | 48.1 | 77.9 | Up | 06:33:15 - 07:03:15 | -3334 |
| Searchlight/Boulder City | 06:47:55 | -71.9 | Dark | Down | 52.7 | 80.3 | Up | 06:32:55 - 07:02:55 | -3337 |
| Patrick | 06:47:52 | -72.5 | Dark | Down | 53.5 | 80.7 | Up | 06:32:52 - 07:02:52 | -3343 |
| Kingman/Dolan Springs | 06:47:52 | -72.6 | Dark | Down | 53.3 | 80.3 | Up | 06:32:52 - 07:02:52 | -3367 |
| Laughlin/Bullhead City | 06:47:54 | -72.3 | Dark | Down | 52.9 | 80.1 | Up | 06:32:54 - 07:02:54 | -3370 |
| DCO | 06:47:49 | -73.2 | Dark | Down | 54.0 | 80.5 | Up | 06:32:49 - 07:02:49 | -3376 |
| Mohave Valley | 06:47:54 | -72.5 | Dark | Down | 52.9 | 79.7 | Up | 06:32:54 - 07:02:54 | -3400 |
| Lake Havasu City | 06:47:53 | -72.9 | Dark | Down | 53.0 | 79.3 | Up | 06:32:53 - 07:02:53 | -3444 |
| Wildwood | 06:48:08 | -70.3 | Dark | Down | 49.5 | 77.3 | Up | 06:33:08 - 07:03:08 | -3478 |
| Parker | 06:47:53 | -73.2 | Dark | Down | 52.9 | 78.8 | Up | 06:32:53 - 07:02:53 | -3482 |
| Idyllwild | 06:48:01 | -71.8 | Dark | Down | 50.9 | 77.5 | Up | 06:33:01 - 07:03:01 | -3524 |
| George/Scottsdale | 06:47:44 | -74.9 | Dark | Down | 54.8 | 79.1 | Up | 06:32:44 - 07:02:44 | -3526 |
| Blythe | 06:47:54 | -73.3 | Dark | Down | 52.6 | 78.1 | Up | 06:32:54 - 07:02:54 | -3540 |
| Calipatria | 06:47:57 | -73.0 | Dark | Down | 51.7 | 77.1 | Up | 06:32:57 - 07:02:57 | -3593 |
| Yuma | 06:47:53 | -73.8 | Dark | Down | 52.4 | 76.9 | Up | 06:32:53 - 07:02:53 | -3641 |
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 449097, (2024/01/07 06:45UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 19.98 119 PPM 074277 09:08:50.8 +33:52:54 6.4 1.63 103 PPM 074384 09:17:17.9 +33:30:01 7.6 0.65 101 PPM 074368 09:15:33.1 +33:06:05 9.9 0.12 101 449097 09:15:22.0 +32:59:11 14.7 101 Positions are for J2000
Event circumstances last updated at 2020/03/21 22:25:31 UT
Marc W. Buie, Southwest Research Institute