Event between (556004) 14HA200 and star GA0800:04805779 with event index number of 2485319
Geocentric closest approach at 2023/04/19 10:12:03 UTC
J2000 position of star is 15:33:38.5 -09:33:16
Equinox of date position of star is 15:34:52.6 -09:37:47
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 45.6 AU from the Sun
and 44.7 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 83 seconds.
The 1-sigma cross-track error in the shadow position is
1648 km.
The sky-plane scale is
32419.9 km/arcsec.
The TNO has an absolute magnitude Hv=4.7
Diameter=673.0 km assuming a 5% albedo -- 30.6 sec chord
Diameter=274.8 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 556004, (2023/04/19 10:12UT) Object RA Dec mag sep mel Antares 16:30:50.4 -26:28:54 0.9 21.42 129 27Bet Lib 15:18:15.8 -09:28:03 2.6 4.11 149 PPM 198725 15:35:42.2 -09:15:37 5.6 0.42 145 PPM 198710 15:35:01.4 -09:30:41 8.3 0.12 145 556004 15:34:54.4 -09:37:53 12.7 145 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 12.2 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) |
Sleaford | 10:12:30 | -14.8 | AT | Down | 25.8 | 203.2 | Low | 10:05:03 - 10:19:57 | 8907 |
Kamloops | 10:13:09 | -21.8 | Dark | Down | 29.5 | 187.7 | Low | 10:05:42 - 10:20:36 | 8549 |
Kelowna | 10:13:04 | -22.1 | Dark | Down | 30.2 | 188.7 | Up | 10:05:37 - 10:20:31 | 8530 |
Peachland | 10:13:05 | -22.3 | Dark | Down | 30.3 | 188.4 | Up | 10:05:38 - 10:20:32 | 8518 |
Summerland | 10:13:04 | -22.4 | Dark | Down | 30.5 | 188.5 | Up | 10:05:37 - 10:20:31 | 8512 |
Penticton | 10:13:05 | -22.4 | Dark | Down | 30.5 | 188.7 | Up | 10:05:38 - 10:20:32 | 8511 |
Oliver | 10:13:03 | -22.7 | Dark | Down | 30.9 | 188.7 | Up | 10:05:36 - 10:20:30 | 8494 |
Anarchist Mountain Observatory | 10:13:04 | -22.8 | Dark | Down | 31.0 | 188.9 | Up | 10:05:37 - 10:20:31 | 8490 |
Tonasket | 10:13:04 | -23.0 | Dark | Down | 31.4 | 188.9 | Up | 10:05:37 - 10:20:31 | 8472 |
Okanogan | 10:13:02 | -23.4 | Dark | Down | 31.7 | 188.7 | Up | 10:05:35 - 10:20:29 | 8451 |
Brewster | 10:13:03 | -23.7 | Dark | Down | 32.0 | 188.5 | Up | 10:05:36 - 10:20:30 | 8432 |
Manson/Chelan | 10:13:04 | -24.0 | Dark | Down | 32.2 | 188.1 | Up | 10:05:37 - 10:20:31 | 8413 |
Wenatchee | 10:13:05 | -24.4 | Dark | Down | 32.7 | 188.0 | Up | 10:05:38 - 10:20:32 | 8383 |
Victoria | 10:13:15 | -24.7 | Dark | Down | 31.8 | 184.3 | Up | 10:05:48 - 10:20:42 | 8367 |
Ellensburg | 10:13:03 | -24.8 | Dark | Down | 33.1 | 187.7 | Up | 10:05:36 - 10:20:30 | 8355 |
PNWRO | 10:12:57 | -25.0 | Dark | Down | 34.0 | 189.8 | Up | 10:05:30 - 10:20:24 | 8341 |
Dunrhomin | 10:12:01 | -22.1 | Dark | Down | 36.3 | 206.9 | Up | 10:04:34 - 10:19:28 | 8336 |
Yakima | 10:13:04 | -25.2 | Dark | Down | 33.6 | 187.8 | Up | 10:05:37 - 10:20:31 | 8332 |
Toppenish/White Swan | 10:13:02 | -25.3 | Dark | Down | 33.7 | 188.0 | Up | 10:05:35 - 10:20:29 | 8325 |
CU-SBO | 10:12:01 | -22.3 | Dark | Down | 36.6 | 206.9 | Up | 10:04:34 - 10:19:28 | 8319 |
Goldendale | 10:13:04 | -25.9 | Dark | Down | 34.3 | 187.5 | Up | 10:05:37 - 10:20:31 | 8283 |
The Dalles | 10:13:04 | -26.2 | Dark | Down | 34.6 | 187.1 | Up | 10:05:37 - 10:20:31 | 8261 |
Maupin | 10:13:04 | -26.5 | Dark | Down | 35.0 | 187.3 | Up | 10:05:37 - 10:20:31 | 8240 |
Sisters | 10:13:04 | -27.5 | Dark | Down | 35.9 | 186.8 | Up | 10:05:37 - 10:20:31 | 8176 |
Bend | 10:13:03 | -27.5 | Dark | Down | 36.1 | 187.1 | Up | 10:05:36 - 10:20:30 | 8169 |
Oregon Observatory | 10:13:02 | -27.7 | Dark | Down | 36.3 | 186.9 | Up | 10:05:35 - 10:20:29 | 8155 |
North Lake | 10:13:00 | -28.0 | Dark | Down | 36.9 | 187.7 | Up | 10:05:33 - 10:20:27 | 8131 |
Lakeview | 10:12:56 | -28.6 | Dark | Down | 37.9 | 188.4 | Up | 10:05:29 - 10:20:23 | 8081 |
Chiloquin | 10:13:03 | -29.0 | Dark | Down | 37.7 | 186.5 | Up | 10:05:36 - 10:20:30 | 8064 |
Klamath Falls | 10:13:02 | -29.2 | Dark | Down | 38.0 | 186.7 | Up | 10:05:35 - 10:20:29 | 8045 |
Cedarville | 10:12:55 | -29.1 | Dark | Down | 38.5 | 188.7 | Up | 10:05:28 - 10:20:22 | 8045 |
Fall River/Burney | 10:13:00 | -30.0 | Dark | Down | 39.1 | 187.3 | Up | 10:05:33 - 10:20:27 | 7981 |
Susanville | 10:12:56 | -30.2 | Dark | Down | 39.7 | 188.2 | Up | 10:05:29 - 10:20:23 | 7961 |
Gimple | 10:12:57 | -30.5 | Dark | Down | 40.0 | 188.0 | Up | 10:05:30 - 10:20:24 | 7937 |
Greenville | 10:12:57 | -30.5 | Dark | Down | 40.0 | 187.9 | Up | 10:05:30 - 10:20:24 | 7935 |
Reno | 10:12:51 | -30.5 | Dark | Down | 40.4 | 189.4 | Up | 10:05:24 - 10:20:18 | 7927 |
Portola | 10:12:54 | -30.6 | Dark | Down | 40.3 | 188.6 | Up | 10:05:27 - 10:20:21 | 7927 |
Quincy | 10:12:55 | -30.7 | Dark | Down | 40.2 | 187.9 | Up | 10:05:28 - 10:20:22 | 7922 |
Yerington | 10:12:48 | -30.6 | Dark | Down | 40.9 | 190.3 | Up | 10:05:21 - 10:20:15 | 7909 |
Carson City | 10:12:50 | -30.7 | Dark | Down | 40.8 | 189.5 | Up | 10:05:23 - 10:20:17 | 7904 |
Tonopah | 10:12:39 | -30.3 | Dark | Down | 41.5 | 193.0 | Up | 10:05:12 - 10:20:06 | 7900 |
Hawthorne | 10:12:46 | -30.7 | Dark | Down | 41.3 | 191.1 | Up | 10:05:19 - 10:20:13 | 7892 |
Gardnerville | 10:12:50 | -30.9 | Dark | Down | 41.0 | 189.6 | Up | 10:05:23 - 10:20:17 | 7889 |
Indian Springs | 10:12:31 | -30.6 | Dark | Down | 42.7 | 195.2 | Up | 10:05:04 - 10:19:58 | 7842 |
Lee Vining | 10:12:46 | -31.3 | Dark | Down | 41.9 | 190.5 | Up | 10:05:19 - 10:20:13 | 7842 |
Beatty | 10:12:37 | -30.9 | Dark | Down | 42.6 | 193.8 | Up | 10:05:10 - 10:20:04 | 7834 |
Henderson | 10:12:28 | -30.6 | Dark | Down | 43.0 | 196.3 | Up | 10:05:01 - 10:19:55 | 7824 |
Bishop | 10:12:42 | -31.4 | Dark | Down | 42.4 | 191.6 | Up | 10:05:15 - 10:20:09 | 7821 |
Patrick | 10:12:22 | -30.4 | Dark | Down | 43.4 | 197.9 | Up | 10:04:55 - 10:19:49 | 7811 |
Kingman/Dolan Springs | 10:12:23 | -30.6 | Dark | Down | 43.6 | 197.7 | Up | 10:04:56 - 10:19:50 | 7790 |
Laughlin/Bullhead City | 10:12:24 | -30.9 | Dark | Down | 43.8 | 197.0 | Up | 10:04:57 - 10:19:51 | 7774 |
Mohave Valley | 10:12:23 | -31.1 | Dark | Down | 44.0 | 197.1 | Up | 10:04:56 - 10:19:50 | 7755 |
George/Scottsdale | 10:12:11 | -30.3 | Dark | Down | 44.4 | 201.0 | Up | 10:04:44 - 10:19:38 | 7746 |
Lake Havasu City | 10:12:22 | -31.3 | Dark | Down | 44.4 | 197.5 | Up | 10:04:55 - 10:19:49 | 7734 |
Parker | 10:12:22 | -31.5 | Dark | Down | 44.7 | 197.7 | Up | 10:04:55 - 10:19:49 | 7710 |
Idyllwild | 10:12:31 | -33.2 | Dark | Down | 45.6 | 194.6 | Up | 10:05:04 - 10:19:58 | 7614 |
Calipatria | 10:12:24 | -32.9 | Dark | Down | 46.0 | 196.3 | Up | 10:04:57 - 10:19:51 | 7602 |
Yuma | 10:12:23 | -32.7 | Dark | Down | 46.1 | 197.7 | Up | 10:04:56 - 10:19:50 | 7596 |
Wildwood | 10:12:39 | -34.0 | Dark | Down | 45.6 | 191.9 | Up | 10:05:12 - 10:20:06 | 7585 |
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 556004, (2023/04/19 10:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 21.42 129 27Bet Lib 15:17:00.3 -09:22:59 2.6 4.11 149 PPM 198725 15:34:26.4 -09:11:01 5.6 0.42 145 PPM 198710 15:33:45.6 -09:26:04 8.3 0.12 145 556004 15:33:38.5 -09:33:16 12.7 145 Positions are for J2000
Event circumstances last updated at 2022/10/04 04:09:15 UT
Marc W. Buie, Southwest Research Institute