Event between (469750) 05PU21 and star GA0940:00068504 with event index number of 2255755
Geocentric closest approach at 2022/08/30 06:11:23 UTC
J2000 position of star is 00:44:30.0 +04:56:17
Equinox of date position of star is 00:45:37.8 +05:03:27
Stellar brightness G=12.3,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 177 degrees from the moon.
Moon is 9% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 34.7 AU from the Sun
and 33.9 AU from the Earth.
The TNO is moving 17.9
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
1354 km.
The sky-plane scale is
24581.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.5
Diameter=303.4 km assuming a 5% albedo -- 16.9 sec chord
Diameter=123.9 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CENTAURR
Star training set for 469750, (2022/08/30 06:11UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.9 -29:30:06 1.2 43.02 140 Algenib 00:14:24.3 +15:18:34 2.8 12.81 164 96 G. Psc 00:49:34.4 +05:23:49 5.8 1.03 176 PPM 143847 00:46:14.7 +05:18:19 8.1 0.28 176 PPM 143845 00:46:12.7 +04:57:20 10.8 0.17 177 469750 00:45:40.2 +05:03:42 12.3 177 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 12.4 km
RECON observability=1.0 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) |
Kamloops | 06:12:32 | -25.8 | Dark | Down | 22.5 | 111.0 | Low | 06:05:11 - 06:19:53 | 9971 |
Victoria | 06:12:33 | -26.5 | Dark | Down | 21.4 | 107.6 | Low | 06:05:12 - 06:19:54 | 9954 |
Peachland | 06:12:33 | -26.8 | Dark | Down | 23.2 | 111.2 | Low | 06:05:12 - 06:19:54 | 9925 |
Kelowna | 06:12:33 | -26.8 | Dark | Down | 23.3 | 111.5 | Low | 06:05:12 - 06:19:54 | 9923 |
Summerland | 06:12:33 | -26.9 | Dark | Down | 23.3 | 111.2 | Low | 06:05:12 - 06:19:54 | 9918 |
Penticton | 06:12:33 | -27.0 | Dark | Down | 23.4 | 111.3 | Low | 06:05:12 - 06:19:54 | 9913 |
Oliver | 06:12:33 | -27.3 | Dark | Down | 23.5 | 111.1 | Low | 06:05:12 - 06:19:54 | 9900 |
Anarchist Mountain Observatory | 06:12:33 | -27.5 | Dark | Down | 23.7 | 111.2 | Low | 06:05:12 - 06:19:54 | 9890 |
Tonasket | 06:12:33 | -27.8 | Dark | Down | 23.8 | 111.1 | Low | 06:05:12 - 06:19:54 | 9879 |
Okanogan | 06:12:33 | -28.0 | Dark | Down | 23.8 | 110.8 | Low | 06:05:12 - 06:19:54 | 9869 |
Manson/Chelan | 06:12:33 | -28.2 | Dark | Down | 23.6 | 110.1 | Low | 06:05:12 - 06:19:54 | 9863 |
Brewster | 06:12:33 | -28.2 | Dark | Down | 23.8 | 110.5 | Low | 06:05:12 - 06:19:54 | 9863 |
Wenatchee | 06:12:33 | -28.6 | Dark | Down | 23.7 | 109.8 | Low | 06:05:12 - 06:19:54 | 9848 |
Ellensburg | 06:12:33 | -28.9 | Dark | Down | 23.7 | 109.4 | Low | 06:05:12 - 06:19:54 | 9837 |
Yakima | 06:12:33 | -29.2 | Dark | Down | 23.8 | 109.2 | Low | 06:05:12 - 06:19:54 | 9822 |
Toppenish/White Swan | 06:12:33 | -29.5 | Dark | Down | 24.0 | 109.3 | Low | 06:05:12 - 06:19:54 | 9809 |
Goldendale | 06:12:33 | -29.8 | Dark | Down | 23.9 | 108.7 | Low | 06:05:12 - 06:19:54 | 9797 |
The Dalles | 06:12:33 | -29.8 | Dark | Down | 23.7 | 108.3 | Low | 06:05:12 - 06:19:54 | 9796 |
Maupin | 06:12:33 | -30.2 | Dark | Down | 23.9 | 108.2 | Low | 06:05:12 - 06:19:54 | 9778 |
Pasco | 06:12:33 | -30.0 | Dark | Down | 24.8 | 110.3 | Low | 06:05:12 - 06:19:54 | 9775 |
PNWRO | 06:12:33 | -30.3 | Dark | Down | 25.1 | 110.4 | Low | 06:05:12 - 06:19:54 | 9760 |
Sisters | 06:13:08 | -30.8 | Dark | Down | 23.9 | 107.6 | Low | 06:05:47 - 06:20:29 | 9733 |
Redmond | 06:13:07 | -31.0 | Dark | Down | 24.2 | 107.9 | Low | 06:05:46 - 06:20:28 | 9723 |
Bend | 06:13:09 | -31.1 | Dark | Down | 24.2 | 107.7 | Low | 06:05:48 - 06:20:30 | 9717 |
Oregon Observatory | 06:13:10 | -31.2 | Dark | Down | 24.2 | 107.5 | Low | 06:05:49 - 06:20:31 | 9711 |
Sleaford | 06:11:56 | -27.9 | Dark | Down | 29.7 | 124.9 | Low | 06:04:35 - 06:19:17 | 9709 |
La Pine/Gilchrist | 06:13:12 | -31.4 | Dark | Down | 24.2 | 107.4 | Low | 06:05:51 - 06:20:33 | 9703 |
North Lake | 06:13:13 | -32.0 | Dark | Down | 24.7 | 107.7 | Low | 06:05:52 - 06:20:34 | 9669 |
Chiloquin | 06:13:17 | -32.2 | Dark | Down | 24.3 | 106.6 | Low | 06:05:56 - 06:20:38 | 9657 |
Klamath Falls | 06:13:20 | -32.5 | Dark | Down | 24.4 | 106.6 | Low | 06:05:59 - 06:20:41 | 9638 |
Paisley | 06:13:15 | -32.6 | Dark | Down | 25.2 | 107.7 | Low | 06:05:54 - 06:20:36 | 9634 |
Lakeview | 06:13:17 | -33.1 | Dark | Down | 25.5 | 107.6 | Low | 06:05:56 - 06:20:38 | 9604 |
Fall River/Burney | 06:13:25 | -33.6 | Dark | Down | 25.1 | 106.3 | Low | 06:06:04 - 06:20:46 | 9569 |
Cedarville | 06:13:20 | -33.7 | Dark | Down | 25.8 | 107.5 | Low | 06:05:59 - 06:20:41 | 9566 |
Susanville | 06:13:27 | -34.5 | Dark | Down | 25.8 | 106.6 | Low | 06:06:06 - 06:20:48 | 9519 |
Greenville | 06:13:30 | -34.6 | Dark | Down | 25.7 | 106.3 | Low | 06:06:09 - 06:20:51 | 9511 |
Gimple | 06:13:29 | -34.6 | Dark | Down | 25.7 | 106.3 | Low | 06:06:08 - 06:20:50 | 9509 |
Quincy | 06:13:30 | -34.7 | Dark | Down | 25.7 | 106.2 | Low | 06:06:09 - 06:20:51 | 9500 |
Portola | 06:13:30 | -35.1 | Dark | Down | 26.1 | 106.5 | Low | 06:06:09 - 06:20:51 | 9482 |
Reno | 06:13:30 | -35.6 | Dark | Down | 26.7 | 106.8 | Low | 06:06:09 - 06:20:51 | 9452 |
Carson City | 06:13:32 | -35.9 | Dark | Down | 26.8 | 106.7 | Low | 06:06:11 - 06:20:53 | 9432 |
Gardnerville | 06:13:33 | -36.1 | Dark | Down | 26.9 | 106.6 | Low | 06:06:12 - 06:20:54 | 9417 |
Yerington | 06:13:32 | -36.3 | Dark | Down | 27.3 | 107.1 | Low | 06:06:11 - 06:20:53 | 9405 |
Hawthorne | 06:13:32 | -36.9 | Dark | Down | 27.9 | 107.2 | Low | 06:06:11 - 06:20:53 | 9366 |
Lee Vining | 06:13:37 | -37.2 | Dark | Down | 27.7 | 106.6 | Low | 06:06:16 - 06:20:58 | 9346 |
Tonopah | 06:13:32 | -37.9 | Dark | Down | 29.1 | 108.1 | Low | 06:06:11 - 06:20:53 | 9303 |
Bishop | 06:13:38 | -38.0 | Dark | Down | 28.4 | 106.8 | Low | 06:06:17 - 06:20:59 | 9292 |
CPSLO | 06:13:53 | -38.7 | Dark | Down | 27.2 | 104.2 | Low | 06:06:32 - 06:21:14 | 9225 |
Beatty | 06:13:37 | -39.1 | Dark | Down | 29.8 | 107.8 | Low | 06:06:16 - 06:20:58 | 9222 |
Indian Springs | 06:13:36 | -39.8 | Dark | Down | 30.7 | 108.4 | Up | 06:06:15 - 06:20:57 | 9173 |
Henderson | 06:13:37 | -40.5 | Dark | Down | 31.4 | 108.6 | Up | 06:06:16 - 06:20:58 | 9120 |
Dunrhomin | 06:12:33 | -39.5 | Dark | Down | 36.6 | 119.2 | Up | 06:05:12 - 06:19:54 | 9100 |
Wildwood | 06:13:54 | -40.7 | Dark | Down | 29.2 | 105.0 | Low | 06:06:33 - 06:21:15 | 9096 |
Laughlin/Bullhead City | 06:13:39 | -41.5 | Dark | Down | 32.0 | 108.4 | Up | 06:06:18 - 06:21:00 | 9054 |
Patrick | 06:13:37 | -41.5 | Dark | Down | 32.5 | 109.1 | Up | 06:06:16 - 06:20:58 | 9050 |
Kingman/Dolan Springs | 06:13:39 | -41.6 | Dark | Down | 32.4 | 108.8 | Up | 06:06:18 - 06:21:00 | 9041 |
Mohave Valley | 06:13:42 | -41.7 | Dark | Down | 32.1 | 108.3 | Up | 06:06:21 - 06:21:03 | 9036 |
Idyllwild | 06:13:52 | -41.8 | Dark | Down | 30.8 | 106.1 | Up | 06:06:31 - 06:21:13 | 9023 |
Lake Havasu City | 06:13:42 | -42.2 | Dark | Down | 32.4 | 108.2 | Up | 06:06:21 - 06:21:03 | 9004 |
Parker | 06:13:44 | -42.5 | Dark | Down | 32.6 | 108.0 | Up | 06:06:23 - 06:21:05 | 8980 |
Blythe | 06:13:47 | -42.8 | Dark | Down | 32.5 | 107.5 | Up | 06:06:26 - 06:21:08 | 8954 |
Calipatria | 06:13:52 | -42.9 | Dark | Down | 31.9 | 106.6 | Up | 06:06:31 - 06:21:13 | 8948 |
Yuma | 06:13:52 | -43.6 | Dark | Down | 32.8 | 106.9 | Up | 06:06:31 - 06:21:13 | 8894 |
George/Scottsdale | 06:13:40 | -43.8 | Dark | Down | 34.6 | 109.5 | Up | 06:06:19 - 06:21:01 | 8881 |
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 469750, (2022/08/30 06:11UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.02 140 Algenib 00:13:14.2 +15:11:01 2.8 12.81 164 96 G. Psc 00:48:24.1 +05:16:25 5.8 1.03 176 PPM 143847 00:45:04.5 +05:10:54 8.1 0.28 176 PPM 143845 00:45:02.5 +04:49:54 10.8 0.17 177 469750 00:44:30.0 +04:56:17 12.3 177 Positions are for J2000
Event circumstances last updated at 2021/11/15 00:48:16 UT
Marc W. Buie, Southwest Research Institute