Event between (126154) 01YH140 and star GA1080:03266654 with event index number of 1311051
Geocentric closest approach at 2024/01/19 08:55:51 UTC
J2000 position of star is 09:59:04.5 +19:24:32
Equinox of date position of star is 10:00:12.5 +19:18:36
Stellar brightness G=14.0,
use SENSEUP=64
Star is 101 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=25.8
[RECON map]
TNO is 37.5 AU from the Sun
and 36.6 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 203 seconds.
The 1-sigma cross-track error in the shadow position is
2085 km.
The sky-plane scale is
26572.7 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=524.8 km assuming a 5% albedo -- 2.7 sec chord
Diameter=214.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 5:3EE
Star training set for 126154, (2024/01/19 08:56UT) Object RA Dec mag sep mel Regulus 10:09:39.1 +11:50:55 1.3 7.77 106 PPM 100044 10:04:09.2 +21:49:55 5.4 2.69 101 PPM 099985 09:59:02.7 +20:03:18 8.3 0.83 100 PPM 126971 09:59:08.4 +19:21:39 9.5 0.31 101 126154 10:00:24.2 +19:17:35 14.0 101 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
4.4 sigma about the mid-time.
The median site spacing is 22.2 km
RECON observability=1.0 and success probability=0.8%
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 | 08:57:45 | -58.6 | Dark | Up | 56.5 | 151.2 | Up | 08:42:45 - 09:12:45 | 8443 |
Kelowna | 08:57:45 | -59.0 | Dark | Up | 56.8 | 150.6 | Up | 08:42:45 - 09:12:45 | 8402 |
Peachland | 08:57:45 | -59.1 | Dark | Up | 56.8 | 150.1 | Up | 08:42:45 - 09:12:45 | 8384 |
Summerland | 08:57:45 | -59.2 | Dark | Up | 57.0 | 150.1 | Up | 08:42:45 - 09:12:45 | 8372 |
Penticton | 08:57:45 | -59.3 | Dark | Up | 57.1 | 150.2 | Up | 08:42:45 - 09:12:45 | 8368 |
Oliver | 08:57:44 | -59.6 | Dark | Up | 57.4 | 150.0 | Up | 08:42:44 - 09:12:44 | 8334 |
Anarchist Mountain Observatory | 08:57:44 | -59.7 | Dark | Up | 57.6 | 150.1 | Up | 08:42:44 - 09:12:44 | 8323 |
Tonasket | 08:57:43 | -60.0 | Dark | Up | 57.8 | 149.8 | Up | 08:42:43 - 09:12:43 | 8291 |
Okanogan | 08:57:44 | -60.4 | Dark | Up | 58.1 | 149.3 | Up | 08:42:44 - 09:12:44 | 8255 |
Brewster | 08:57:42 | -60.7 | Dark | Up | 58.2 | 148.7 | Up | 08:42:42 - 09:12:42 | 8224 |
Manson/Chelan | 08:57:45 | -61.0 | Dark | Up | 58.3 | 147.9 | Up | 08:42:45 - 09:12:45 | 8194 |
Victoria | 08:57:55 | -61.1 | Dark | Up | 56.5 | 143.3 | Up | 08:42:55 - 09:12:55 | 8178 |
Entiat | 08:57:45 | -61.2 | Dark | Up | 58.4 | 147.6 | Up | 08:42:45 - 09:12:45 | 8171 |
Wenatchee | 08:57:45 | -61.4 | Dark | Up | 58.6 | 147.2 | Up | 08:42:45 - 09:12:45 | 8143 |
Ellensburg | 08:57:45 | -61.9 | Dark | Up | 58.9 | 146.5 | Up | 08:42:45 - 09:12:45 | 8097 |
Pasco | 08:57:40 | -62.2 | Dark | Up | 60.0 | 148.2 | Up | 08:42:40 - 09:12:40 | 8061 |
Yakima | 08:57:45 | -62.3 | Dark | Up | 59.2 | 146.1 | Up | 08:42:45 - 09:12:45 | 8057 |
PNWRO | 08:57:39 | -62.3 | Dark | Up | 60.3 | 148.4 | Up | 08:42:39 - 09:12:39 | 8043 |
Toppenish/White Swan | 08:57:43 | -62.4 | Dark | Up | 59.5 | 146.1 | Up | 08:42:43 - 09:12:43 | 8040 |
Goldendale | 08:57:45 | -63.0 | Dark | Up | 59.7 | 144.9 | Up | 08:42:45 - 09:12:45 | 7974 |
The Dalles | 08:57:46 | -63.3 | Dark | Up | 59.8 | 144.1 | Up | 08:42:46 - 09:12:46 | 7943 |
Niwot | 08:56:43 | -60.1 | Dark | Down | 69.2 | 173.4 | Up | 08:41:43 - 09:11:43 | 7905 |
Maupin | 08:57:45 | -63.7 | Dark | Up | 60.2 | 143.8 | Up | 08:42:45 - 09:12:45 | 7904 |
SwRI | 08:56:44 | -60.2 | Dark | Down | 69.3 | 173.1 | Up | 08:41:44 - 09:11:44 | 7891 |
Redmond | 08:57:45 | -64.6 | Dark | Up | 60.9 | 142.7 | Up | 08:42:45 - 09:12:45 | 7811 |
Sisters | 08:57:46 | -64.6 | Dark | Up | 60.7 | 142.0 | Up | 08:42:46 - 09:12:46 | 7803 |
Bend | 08:57:45 | -64.8 | Dark | Up | 61.0 | 142.2 | Up | 08:42:45 - 09:12:45 | 7786 |
Oregon Observatory | 08:57:44 | -65.0 | Dark | Up | 61.0 | 141.8 | Up | 08:42:44 - 09:12:44 | 7766 |
La Pine/Gilchrist | 08:57:45 | -65.2 | Dark | Up | 61.2 | 141.5 | Up | 08:42:45 - 09:12:45 | 7743 |
North Lake | 08:57:43 | -65.4 | Dark | Up | 61.8 | 142.0 | Up | 08:42:43 - 09:12:43 | 7715 |
Paisley | 08:57:40 | -65.8 | Dark | Up | 62.4 | 142.0 | Up | 08:42:40 - 09:12:40 | 7670 |
Lakeview | 08:57:40 | -66.2 | Dark | Up | 62.9 | 141.7 | Up | 08:42:40 - 09:12:40 | 7624 |
Klamath Falls | 08:57:43 | -66.6 | Dark | Up | 62.2 | 139.2 | Up | 08:42:43 - 09:12:43 | 7589 |
Cedarville | 08:57:38 | -66.7 | Dark | Up | 63.5 | 141.2 | Up | 08:42:38 - 09:12:38 | 7562 |
Fall River/Burney | 08:57:42 | -67.5 | Dark | Up | 63.2 | 138.4 | Up | 08:42:42 - 09:12:42 | 7480 |
Susanville | 08:57:38 | -67.9 | Dark | Up | 64.1 | 138.9 | Up | 08:42:38 - 09:12:38 | 7436 |
Gimple | 08:57:38 | -68.2 | Dark | Up | 64.2 | 138.1 | Up | 08:42:38 - 09:12:38 | 7402 |
Greenville | 08:57:40 | -68.2 | Dark | Up | 64.1 | 138.0 | Up | 08:42:40 - 09:12:40 | 7400 |
Portola | 08:57:38 | -68.3 | Dark | Up | 64.6 | 138.4 | Up | 08:42:38 - 09:12:38 | 7380 |
Quincy | 08:57:39 | -68.4 | Dark | Up | 64.3 | 137.7 | Up | 08:42:39 - 09:12:39 | 7379 |
Reno | 08:57:34 | -68.3 | Dark | Up | 65.1 | 139.2 | Up | 08:42:34 - 09:12:34 | 7371 |
Carson City | 08:57:33 | -68.6 | Dark | Up | 65.4 | 138.7 | Up | 08:42:33 - 09:12:33 | 7335 |
Yerington | 08:57:32 | -68.5 | Dark | Up | 65.9 | 139.7 | Up | 08:42:32 - 09:12:32 | 7334 |
Gardnerville | 08:57:33 | -68.8 | Dark | Up | 65.6 | 138.5 | Up | 08:42:33 - 09:12:33 | 7312 |
Hawthorne | 08:57:30 | -68.6 | Dark | Up | 66.5 | 140.0 | Up | 08:42:30 - 09:12:30 | 7302 |
Tonopah | 08:57:24 | -68.3 | Dark | Up | 67.6 | 142.2 | Up | 08:42:24 - 09:12:24 | 7298 |
Lee Vining | 08:57:31 | -69.3 | Dark | Up | 66.7 | 138.2 | Up | 08:42:31 - 09:12:31 | 7230 |
Indian Springs | 08:57:16 | -68.6 | Dark | Up | 69.5 | 143.2 | Up | 08:42:16 - 09:12:16 | 7196 |
Beatty | 08:57:21 | -69.0 | Dark | Up | 68.7 | 141.4 | Up | 08:42:21 - 09:12:21 | 7194 |
Bishop | 08:57:27 | -69.5 | Dark | Up | 67.5 | 138.7 | Up | 08:42:27 - 09:12:27 | 7191 |
Henderson | 08:57:12 | -68.6 | Dark | Up | 70.2 | 144.0 | Up | 08:42:12 - 09:12:12 | 7164 |
Patrick | 08:57:08 | -68.3 | Dark | Up | 71.2 | 145.7 | Up | 08:42:08 - 09:12:08 | 7138 |
DCO | 08:57:05 | -68.1 | Dark | Up | 71.8 | 147.0 | Up | 08:42:05 - 09:12:05 | 7132 |
Kingman/Dolan Springs | 08:57:08 | -68.6 | Dark | Up | 71.3 | 144.8 | Up | 08:42:08 - 09:12:08 | 7109 |
Searchlight/Boulder City | 08:57:12 | -68.9 | Dark | Up | 70.7 | 143.2 | Up | 08:42:12 - 09:12:12 | 7108 |
Laughlin/Bullhead City | 08:57:10 | -68.9 | Dark | Up | 71.1 | 143.5 | Up | 08:42:10 - 09:12:10 | 7090 |
Mohave Valley | 08:57:10 | -69.1 | Dark | Up | 71.3 | 143.0 | Up | 08:42:10 - 09:12:10 | 7062 |
George/Scottsdale | 08:56:57 | -68.0 | Dark | Up | 73.6 | 148.1 | Up | 08:41:57 - 09:11:57 | 7037 |
Lake Havasu City | 08:57:08 | -69.2 | Dark | Up | 71.8 | 142.9 | Up | 08:42:08 - 09:12:08 | 7030 |
Parker | 08:57:06 | -69.4 | Dark | Up | 72.1 | 142.3 | Up | 08:42:06 - 09:12:06 | 6995 |
Blythe | 08:57:07 | -69.9 | Dark | Up | 72.3 | 140.5 | Up | 08:42:07 - 09:12:07 | 6931 |
CPSLO | 08:57:33 | -72.2 | Dark | Up | 67.7 | 130.7 | Up | 08:42:33 - 09:12:33 | 6911 |
Idyllwild | 08:57:16 | -71.2 | Dark | Up | 71.1 | 135.7 | Up | 08:42:16 - 09:12:16 | 6872 |
Calipatria | 08:57:10 | -70.8 | Dark | Up | 72.2 | 137.2 | Up | 08:42:10 - 09:12:10 | 6849 |
Wildwood | 08:57:23 | -72.1 | Dark | Up | 69.7 | 132.4 | Up | 08:42:23 - 09:12:23 | 6848 |
Yuma | 08:57:06 | -70.5 | Dark | Up | 73.0 | 138.5 | Up | 08:42:06 - 09:12:06 | 6836 |
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 126154, (2024/01/19 08:56UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 7.77 106 PPM 100044 10:02:48.9 +21:56:57 5.4 2.69 101 PPM 099985 09:57:42.8 +20:10:14 8.3 0.83 100 PPM 126971 09:57:48.7 +19:28:35 9.5 0.31 101 126154 09:59:04.5 +19:24:32 14.0 101 Positions are for J2000
Event circumstances last updated at 2020/07/10 21:02:54 UT
Marc W. Buie, Southwest Research Institute