Event between 15HF195 and star GA0700:05668872 with event index number of 2709681
Geocentric closest approach at 2024/04/14 12:07:47 UTC
J2000 position of star is 15:11:03.4 -18:55:47
Equinox of date position of star is 15:12:18.0 -19:00:40
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 131 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=22.7
[RECON map]
TNO is 35.2 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 366 seconds.
The 1-sigma cross-track error in the shadow position is
3626 km.
The sky-plane scale is
24860.1 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 10.2 sec chord
Diameter=88.1 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 15HF195, (2024/04/14 12:08UT) Object RA Dec mag sep mel Antares 16:30:54.0 -26:29:02 0.9 19.54 150 27Bet Lib 15:18:19.1 -09:28:16 2.6 9.65 128 28 Lib 15:22:16.6 -18:14:42 6.4 2.46 132 PPM 229890 15:13:35.0 -19:11:48 6.6 0.32 131 PPM 229862 15:12:31.2 -19:13:42 10.0 0.21 131 15HF195 15:12:26.3 -19:01:13 14.1 131 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
2.5 sigma about the mid-time.
The median site spacing is 61.2 km
RECON observability=0.1 and success probability=2.3%
| 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 | 12:07:09 | -9.3 | NT | Down | 13.2 | 216.6 | Really Low | 11:52:09 - 12:22:09 | 2101 |
| Kelowna | 12:07:08 | -9.6 | NT | Down | 13.6 | 216.5 | Really Low | 11:52:08 - 12:22:08 | 2089 |
| Peachland | 12:07:09 | -9.8 | NT | Down | 13.8 | 216.3 | Really Low | 11:52:09 - 12:22:09 | 2086 |
| Summerland | 12:07:08 | -9.8 | NT | Down | 13.8 | 216.4 | Really Low | 11:52:08 - 12:22:08 | 2081 |
| Penticton | 12:07:07 | -9.8 | NT | Down | 13.9 | 216.5 | Really Low | 11:52:07 - 12:22:07 | 2079 |
| Oliver | 12:07:07 | -10.0 | NT | Down | 14.1 | 216.5 | Really Low | 11:52:07 - 12:22:07 | 2069 |
| Anarchist Mountain Observatory | 12:07:06 | -9.9 | NT | Down | 14.2 | 216.7 | Really Low | 11:52:06 - 12:22:06 | 2065 |
| Tonasket | 12:07:05 | -10.1 | NT | Down | 14.5 | 216.7 | Really Low | 11:52:05 - 12:22:05 | 2054 |
| Okanogan | 12:07:04 | -10.4 | NT | Down | 14.8 | 216.6 | Really Low | 11:52:04 - 12:22:04 | 2043 |
| Victoria | 12:07:15 | -12.5 | AT | Down | 16.1 | 213.2 | Really Low | 11:52:15 - 12:22:15 | 2034 |
| Brewster | 12:07:04 | -10.6 | NT | Down | 15.1 | 216.5 | Really Low | 11:52:04 - 12:22:04 | 2034 |
| Manson/Chelan | 12:07:04 | -10.9 | NT | Down | 15.4 | 216.2 | Really Low | 11:52:04 - 12:22:04 | 2026 |
| Wenatchee | 12:07:03 | -11.3 | NT | Down | 15.9 | 216.1 | Really Low | 11:52:03 - 12:22:03 | 2009 |
| Ellensburg | 12:07:03 | -11.6 | NT | Down | 16.3 | 216.0 | Really Low | 11:52:03 - 12:22:03 | 1995 |
| Yakima | 12:07:01 | -11.8 | NT | Down | 16.6 | 216.0 | Really Low | 11:52:01 - 12:22:01 | 1980 |
| Toppenish/White Swan | 12:07:01 | -11.8 | NT | Down | 16.7 | 216.2 | Really Low | 11:52:01 - 12:22:01 | 1973 |
| Pasco | 12:06:56 | -11.1 | NT | Down | 16.3 | 217.4 | Really Low | 11:51:56 - 12:21:56 | 1972 |
| PNWRO | 12:06:55 | -11.1 | NT | Down | 16.4 | 217.6 | Really Low | 11:51:55 - 12:21:55 | 1963 |
| Goldendale | 12:07:01 | -12.3 | AT | Down | 17.4 | 215.9 | Really Low | 11:52:01 - 12:22:01 | 1951 |
| The Dalles | 12:07:01 | -12.7 | AT | Down | 17.7 | 215.7 | Really Low | 11:52:01 - 12:22:01 | 1941 |
| Maupin | 12:07:00 | -12.8 | AT | Down | 18.0 | 215.8 | Really Low | 11:52:00 - 12:22:00 | 1926 |
| Redmond | 12:06:57 | -13.3 | AT | Down | 18.8 | 215.9 | Really Low | 11:51:57 - 12:21:57 | 1891 |
| Sisters | 12:06:59 | -13.5 | AT | Down | 18.9 | 215.6 | Really Low | 11:51:59 - 12:21:59 | 1891 |
| Bend | 12:06:57 | -13.5 | AT | Down | 19.0 | 215.8 | Really Low | 11:51:57 - 12:21:57 | 1882 |
| Oregon Observatory | 12:06:57 | -13.6 | AT | Down | 19.2 | 215.8 | Really Low | 11:51:57 - 12:21:57 | 1875 |
| La Pine/Gilchrist | 12:06:57 | -13.8 | AT | Down | 19.4 | 215.7 | Really Low | 11:51:57 - 12:21:57 | 1866 |
| North Lake | 12:06:54 | -13.6 | AT | Down | 19.5 | 216.4 | Really Low | 11:51:54 - 12:21:54 | 1850 |
| Paisley | 12:06:50 | -13.6 | AT | Down | 19.8 | 216.8 | Really Low | 11:51:50 - 12:21:50 | 1829 |
| Chiloquin | 12:06:55 | -14.5 | AT | Down | 20.5 | 215.6 | Low | 11:51:55 - 12:21:55 | 1818 |
| Lakeview | 12:06:49 | -13.7 | AT | Down | 20.1 | 217.1 | Low | 11:51:49 - 12:21:49 | 1807 |
| Klamath Falls | 12:06:53 | -14.7 | AT | Down | 20.7 | 215.8 | Low | 11:51:53 - 12:21:53 | 1804 |
| Cedarville | 12:06:47 | -13.9 | AT | Down | 20.6 | 217.4 | Low | 11:51:47 - 12:21:47 | 1779 |
| Fall River/Burney | 12:06:49 | -15.0 | AT | Down | 21.5 | 216.4 | Low | 11:51:49 - 12:21:49 | 1752 |
| Susanville | 12:06:45 | -14.8 | AT | Down | 21.7 | 217.2 | Low | 11:51:45 - 12:21:45 | 1726 |
| Gimple | 12:06:45 | -15.0 | AT | Down | 22.0 | 217.1 | Low | 11:51:45 - 12:21:45 | 1712 |
| Greenville | 12:06:45 | -15.1 | AT | Down | 22.0 | 217.0 | Low | 11:51:45 - 12:21:45 | 1712 |
| Quincy | 12:06:44 | -15.2 | AT | Down | 22.2 | 217.0 | Low | 11:51:44 - 12:21:44 | 1702 |
| Dunrhomin | 12:05:59 | -4.0 | CT | Down | 13.7 | 229.9 | Really Low | 11:50:59 - 12:20:59 | 1701 |
| Portola | 12:06:42 | -14.9 | AT | Down | 22.1 | 217.5 | Low | 11:51:42 - 12:21:42 | 1699 |
| Reno | 12:06:40 | -14.6 | AT | Down | 22.0 | 218.1 | Low | 11:51:40 - 12:21:40 | 1688 |
| Carson City | 12:06:39 | -14.7 | AT | Down | 22.2 | 218.2 | Low | 11:51:39 - 12:21:39 | 1671 |
| Yerington | 12:06:36 | -14.4 | AT | Down | 22.1 | 218.8 | Low | 11:51:36 - 12:21:36 | 1663 |
| Gardnerville | 12:06:38 | -14.8 | AT | Down | 22.4 | 218.3 | Low | 11:51:38 - 12:21:38 | 1659 |
| Hawthorne | 12:06:32 | -14.2 | AT | Down | 22.2 | 219.4 | Low | 11:51:32 - 12:21:32 | 1641 |
| Tonopah | 12:06:27 | -13.4 | AT | Down | 21.9 | 220.7 | Low | 11:51:27 - 12:21:27 | 1621 |
| Lee Vining | 12:06:33 | -14.8 | AT | Down | 22.9 | 219.1 | Low | 11:51:33 - 12:21:33 | 1612 |
| Bishop | 12:06:29 | -14.5 | AT | Down | 23.0 | 219.9 | Low | 11:51:29 - 12:21:29 | 1582 |
| Beatty | 12:06:22 | -13.6 | AT | Down | 22.5 | 221.4 | Low | 11:51:22 - 12:21:22 | 1561 |
| Indian Springs | 12:06:18 | -12.9 | AT | Down | 22.2 | 222.4 | Low | 11:51:18 - 12:21:18 | 1545 |
| Henderson | 12:06:15 | -12.6 | AT | Down | 22.2 | 223.1 | Low | 11:51:15 - 12:21:15 | 1516 |
| Patrick | 12:06:09 | -12.0 | AT | Down | 22.0 | 224.2 | Low | 11:51:09 - 12:21:09 | 1482 |
| Kingman/Dolan Springs | 12:06:09 | -12.2 | AT | Down | 22.3 | 224.1 | Low | 11:51:09 - 12:21:09 | 1470 |
| Laughlin/Bullhead City | 12:06:10 | -12.6 | AT | Down | 22.6 | 223.7 | Low | 11:51:10 - 12:21:10 | 1468 |
| CPSLO | 12:06:32 | -17.1 | AT | Down | 25.7 | 218.5 | Low | 11:51:32 - 12:21:32 | 1464 |
| Mohave Valley | 12:06:10 | -12.7 | AT | Down | 22.8 | 223.7 | Low | 11:51:10 - 12:21:10 | 1453 |
| Lake Havasu City | 12:06:08 | -12.7 | AT | Down | 23.0 | 224.1 | Low | 11:51:08 - 12:21:08 | 1430 |
| Parker | 12:06:07 | -12.8 | AT | Down | 23.2 | 224.2 | Low | 11:51:07 - 12:21:07 | 1410 |
| Wildwood | 12:06:21 | -16.1 | AT | Down | 25.6 | 220.6 | Low | 11:51:21 - 12:21:21 | 1403 |
| Idyllwild | 12:06:14 | -14.8 | AT | Down | 24.9 | 222.3 | Low | 11:51:14 - 12:21:14 | 1387 |
| George/Scottsdale | 12:05:57 | -11.1 | NT | Down | 22.1 | 226.2 | Low | 11:50:57 - 12:20:57 | 1383 |
| Blythe | 12:06:06 | -13.2 | AT | Down | 23.7 | 224.1 | Low | 11:51:06 - 12:21:06 | 1380 |
| Calipatria | 12:06:08 | -14.1 | AT | Down | 24.6 | 223.5 | Low | 11:51:08 - 12:21:08 | 1351 |
| Yuma | 12:06:04 | -13.6 | AT | Down | 24.4 | 224.3 | Low | 11:51:04 - 12:21:04 | 1325 |
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 15HF195, (2024/04/14 12:08UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.54 150 27Bet Lib 15:17:00.3 -09:22:59 2.6 9.65 128 28 Lib 15:20:53.7 -18:09:32 6.4 2.46 132 PPM 229890 15:12:12.0 -19:06:24 6.6 0.32 131 PPM 229862 15:11:08.2 -19:08:16 10.0 0.21 131 15HF195 15:11:03.4 -18:55:47 14.1 130 Positions are for J2000
Event circumstances last updated at 2021/11/02 23:37:21 UT
Marc W. Buie, Southwest Research Institute